O2 simulator resistor location. Posts: 1,374 Yes, good luck finding one.

O2 simulator resistor location Turns out that the mechanical O2 sensor fix won't fit with my downpipe. control arms, vertical links, drag springs, lock out kit,Stainless Power LTH with GT500 factory catback, SVE R355 19x10&11 with 285/35 &325/30Steeda rear support bushings, Lund tuned, Qa1 carbon DS, DSS 2k halfshafts(not installed), steeda rear shock mounts, crusader rear shocks, upr catch can, upr over flow tank, stage 2 gen 5 whipple, The O2 sensors before the cats (upstream) affect how the engine runs, dealing with fuel trims, etc. The blue wire provides B+ on both sides and can be used to power the O2 Simulator, hooking it to the red wire. My truck is a 97 Silverado C1500 with a 5. Any idea what I could be doing wrong? Last edited by cpainter; 01-18-2023 at 08:02 PM . 9% of the time. I hi guys its been a while im looking for a learned member who knows his shit about electronics and how to make these 02 sims or cel eliminators i know the rear 02 sensor ranges from 0. Notes. I have the spacers on both up and down stream O2 and still get 0420/0430 within 10 min of normal driving. This powerful post will teach you how to bypass the heater circuit of an O2 sensor in five steps. 6V) use a 220kΩ resistor with a 4. I also know that on some cars you can tune the ECU to essentially stop caring about the rear O2 sensor, is that an option on the Tacoma. All you gotta do is measure the 02 output. Didn't think to much about the light being on because I knew what it was after a very short period of time. It should vary between . Then disconnect the rear O2 sensor pigtail from the main wiring harness. The largest 4Runner community in the world. and you will be using the narrowband simulator so you don't need the rear o2 . Then re-install the O2 sensor back into the exhaust pipe, and hook the pigtail Though the unit is protected, ideal mounting locations are away from heat and moisture, within the passenger’s compartment of the vehicle. Select the department you want Oxygen Sensor, Easy to Use Car O2 Sensors Simulators with Multifunctional Diagnostic Capabilities for Emission Testing Diagnosis. The O2 sensors after the cats (downstream) only monitor the cat function. Ragnar Then build your own O2 sensor simulator. Age: 40. maybe I will just weld a bung on the outside of my exhaust so I dont get the heater circuit code and it also wont restrict the flow of my exhaust(I know it doesnt effect that much, but I hate drilling a hole in my exhaust when I dont need to) If I modified my rear O2 sensor by soldering in the resistor and capacitor as directed, but now I keep getting a P0136 code. I don't want to replace either of the O2 sensors, and I see that a ~20 ohm resistor can be used to simulate the heaters. Results in check engine light coming on all the time. A lot of heat shrink, zip ties, and a good amount electrical tape you have your self an An O2 simulator is a very small-circuit board plug-in embedded into a housing to provide a waterproof, How To Bypass an O2 Sensor Heater Circuit Using Resistor Related O2 Sensor Heater Fuse Location – Here’s How To Find It! Delivering to Nashville 37217 Update location All. 9 volts approximately every X# of seconds using the formula (resistance in ohms) X (capacitance) = Aug 14, 2011 · I ran this O2 sensor eliminator for 20k miles with no CEL or issues. There is a product calle nightrider ied that does this, reasonably priced as well 6 days ago · As a registered member, you’ll be able to: Participate in all Tacoma discussion topics; Communicate privately with other Tacoma owners from around the world; Post your own photos in our Members Gallery; Access all special features of the site Sep 20, 2002 · I think you may be a bit confused to what an O2 Sensor Simulator is. FREE delivery Jan 23 - Feb 3. Many people will do this to get the Check Engine Light to turn off when emissions aren’t right or to allow for more flexibility when tuning the engine. The O2 sensor oscillates rapidly between 0. I didn't have the resources to buy a URD O2 Simulator, If you're skilled with electrical all you have to do is wire 4. Remember Me? Join us now! Site Navigation. Dual output iO 2SS’s (indicated by two green Figure signal output wires) may be connected to two downstream SymTech O2 Sensor Simulator And splice in the signal from the O2 Simulator. S4 / RS4 (B5 Platform) Discussion - O2 Sensor Simulator SOLUTION!!!! - I had searched the archives and came up with no real solution, I even posted asking if anyone had come up with one, the reply was a simple no. 8 1998 Pontiac TA WS6. 1v to 0. Do you occasionally get code P0420 - catalytic converter low efficiency? This $3 electrical circuit may fix the problem permanently by electrically smoothin Capacitor or resistor. View Profile View Forum Posts Grumpy BMW CCA Member. 7µF cap but this puts a bit more load on the sensor, which just means it takes longer to charge the cap after a dip. If I decide to use the resistor, I may install it IN the seat for the winter to act as a seat heater:-). Basically frequently changing voltage reports I have the resistor, but I'm not going to use it since the actual O2 sensor is still in place. 2020-05-24 09_20_34-$3 O2 simulator fix for P0420 Location: Stationed in Camp LeJeune, home is Conover, NC. I'm guessing the resistor limits the peaks while the capacitor boosts the valleys of the sin wave so essentially "conditioning" the signal. May 15, 2011 · Simulating a pre-cat o2 sensor would do all kinds of bad. A simple The brown sensor ground (287 ohms to ground) can be cut or ignored. Use the table below to determine the appropriate connections between the O 2 sensor and iO 2 SS. The kit simply Wire the 271-1134 resistor and the 272-1055 capacitor in parallel to the blue and white wires. I’ve come to the conclusion it’s easier and cheaper to build a simulator for the rear O2. 5. The purpose of the prototype was to force the ECU to operate on a static fuel map, enabling the user to change to the prefered Air-fuel ratio. An extremely compact circuit board (. For now, I'm just living with the P0420 CEL because my 4Runner isn't my Cooper Discoverer AT3 - OME 906 Coils & Rancho 9000XL Shocks (Rear) - Airlift 1000 - RadioShack $5 Rear O2 Simulator DURATECH O2 Oxygen Sensor Socket 3/8" Drive x 7/8"(22mm), Oxygen Sensor Remover Tool Chrome-Vanadium Steel with Side Wire Gate, O2 Removal and Installation Universal Sensor Socket 4. Step 1: This step isn't required, but it will make things easier. Posts: 2,691 Doc2012. You can check this with either (prefferably) an obd2 scanner with a live data feed or a volt meter at the o2 sensor plug coming from the o2 while running of course. 1. 98 $ 15. So, here is what I did: Bought 2 PSO2SIM's and 2 O2 Sensor Heater Simulating Resistors from Baker C5 Tech - O2 Simulator Resistor Sizes & Install Tip - Okay, I keep fouling my O2 sensors where my precats used to go (installed a set of SLP long tube headers) - retained the main cats and all 4 O2 sensors. I think I can muddle something like this together. Staying above 800mv is really rich and after so long will pop said code. 0 uf capacitor right after the resistor, FOR A COMPLETE sensor delete you can solder in a special 50k load bearing resistor on the the 2 heater wires, took me 15 min to make and Delivering to Nashville 37217 Update location All. rf900rkw. The plan is to remove highly frequent voltage changes and allow the lower slow voltage changes to happen. S), original '99 Talls in front, OME 906s in back, Hella fogs, Trekmaster shocks in front, Billy in back, no running boards, FIAMM horns, Alpine sound, Michelin LTX M/S2's, owned I think Active Autowerkes has a O2 simulator. It allows you to eliminate the oxygen sensor and remedies CEL issue. 1 Secondary O2 Sensor at the O2 sensor connector from '99 GS-R schematic: GRN/RED (black) - heater ground controlled by ECU BLK/YEL (black) - heater power (sim power in to here) BLU/RED (white) - O2 signal(sim output to here) GRN/BLK (green) - O2 ground(sim ground to here) I would install a resistor in the heater circuit. In normal operation the cat stores and releases O 2 as it burns up oxides of nitrogen making the oxygen content of the exhaust gas after the cat have less O 2 and have O 2 levels that vary slower than in the pre-cat flow. Posts: 12 Hey guys, anyone know if this DIY o2 simulator made with a resistor and capacitor will work on a 4th gen V6? Thanks!! Reply With Quote 07-03-2017, 02:07 PM #99: Jszeszko. In that case, you’ll need to use an adapter, otherwise known as an oxygen sensor extender. This got rid of the P0036 and P0139 codes even without a O2 extension but now I have a P2270 code (O2 sensor stuck lean), so FML. 0 out of 5 stars. Junior Member : Join Date: Oct 2016 Location: Austin. Dual output iO Step 3: Make sure the resistor and capacitor are protected from the elements somehow. Rear O2 sensor sending the signal that something was amiss. Shame on any mechanic who does not know this. 08-08-2012, 10:41 PM #3. I have personally seen it done. In case of a single Lambda Probe or dual exhaust system fitted with two Oxygen Sensors only, the I found the exact range. 7 uF capacitor. Jun 4, 2018 · I did this mod about 3 years ago. This means that the 02 sensor still needs to be in the exhaust in newer cars. Use only a URD O2 Sensor Simulator on these vehicles to avoid poor performance, Resistor - RadioShack part number 271-1134. Step 9. Everything is soldered together and insulated with tape. pdf), Text File (. If a higher voltage is required(up to 0. 9v (rich) and 0. This is another option for buying O2 Simulator. I used four resistors instead of three because it seemed that three was getting a little too hot. Sort by Oldest first Oldest first Newest first Most reactions. Steve (Gadget) Dopler . Top. This project is a health monitoring system that utilizes an ESP32 microcontroller to read ECG data from an AD8232 Heart Rate Monitor and SpO2 data from a MAX30102 sensor. Select the department you want 2PCS Auto Signal Simulator Repair Tester Analog Adjustable Resistor Sensor Diagnose. You are actually modifying your existing o2 sensor by putting capacitor and resistor inline, similar to the universal ones sold on ebay for 15+ dollars, except this only cost about 3 dollars or less. or you can make a eletronic sim at radio shack for less than 5 $ for us first gen taco guys ,,,,, single 1,000,000 ohm resistor inline on signal then bridge the signal wire to signal ground with a 1. November 14, 2008, 08:59:13 AM. TL;DR: Purging cats from exhaust, How can I not get a CEL How to build Your Own Oxygen Sensor Simulator The rest of the page shows how to build an oscillating signal generator with just the right frequency and voltage to fool the ECU. 7uF capacitor like the picture below on a o2 sensor that generates a voltage from 0 to 0. An very common electronic filter circuit, but does it work? Buy top notch EZ CEL FIX Oxygen Sensor Simulator O2 Sensor Eliminator. However, that site is down and I was wondering if anyone has those directions or know how to do it using a resistor. I am in the same boat, I have had my headers since June 2021. 9v with a bad or no cat and around 0. How To: Make Your Own Rear O2 Simulator for $5 I think that the one screen image showing your sensor at a steady voltage is the cause for the code. I read a thread a long time ago on the size and I've been researching rear o2 simulators for a different car and stumbled upon this company that supposedly came up with a rear o2 simulator (for toyotas) that works better/smarter than the typical capacitor/resistor MIL Elims we were used to on the 04 and older cars. Save Share Reply Quote Like. I asked their tech and they believe they'd work for these ford cars but I wanted to see if anybody else RE: O2 Simulator IP: Logged Message: Yes its a 650k resistor and as for the cap its should be about the size of a . , if the p0420 or p0430 cel is illuminated the engine control unit (ecu) will put the vehicle into "linp mode" (safe mode) resulting in poor performance and gas mileage, not to mention it's pretty annoying seeing that check engine light on all the time. The URD one is $120, I’ve been researching building my own using the capacitor and resistor. on my car i had 2 white wires, a black and a gray wire (like the titan) on the o2 sensor wires. That way it defeats the O2 simulator since the simulators usually give a constant voltage output. While I do think a lower resistor value will work better, I plan to put some miles on the car as is and see what it does with the current setup, stay tuned. 5 out of 5 stars 278 This is most definitely all the URD device does. You can put a resistor in the plug in place of the O2 sensors. I never got a CEL, with this mod. I'll connect the O2 simulator under the seat. Location: Spotsylvania Virginia; Logged; Re: O2 resistor #2. Post by KI4GSN » Wed Dec 06, 2006 11:47 pm. bdholsin Dodge Location: New Hampshire. Well, I had hoped to build and sell my o2 simulator but I cant guarantee that it will last forever and making the whole box for the simulator and the super hot resistors is just not something I want to spend time on. depending on the year (he doesnt say) O2 Sensor Simulator by hiruna - WIP This is a very basic prototype to bypass the factory installed O2 Sensor in a motorcycle/car and send custom sensor data to the ECU. Suppose you want to bypass the sensor after the cat. 8)I took the rear O2 sensor and carefully cut the protective wire cover. Or you can install O2 sensor -Phil. Magnum Performance Tuning’s O2 Sensor Simulators are adjustable, gives you the ability to allow for Air / Fuel Ratio adjustment within certain range. $15. I made 2 mini cat simulators, with some spark plug spacers,( non foulers) and I took some of the honey comb that I removed from the cats, and ground it round (on a bench grinder, and it makes a lot of dust) to fit inside the bottom spark plug spacer between the exhaust pipe, and the 02 sensor, so that the exhaust gas would have to pass through the honey come to Yes we could build an O2 simulator with amplified circuit for $20 per side as you know. FREE delivery Wed, o2 sensor simulator 02 sensor defouler Bypassing the oxygen sensor with a dummy can be done. Location Houston Age 57 Posts 401 Current best: 10. Sounds like you need a low pass filter to smooth out those wild swings, can't see what a diode would be good for here. 45 inches) is molded into the end of the connector to provide the most compact and water resistant simulator on the market. Once crested the hill and things started to cool off,,the light would come back on. If anyone one else tries this hack I recommend using crimps instead of solder. Hey guys, I need to fix the CEL light my test pipes are I plan on wiring up an O2 simulator/heater resistor to the connector, and having it all inside the cabin. 7 L Vortec I have shorty headers, with true dual exhaust, with 2 old school glass pack mufflers, no restrictions what so ever in the exhaust Oct 4, 2024 · To bypass the O2 sensor in front of the catalytic converter (cat), replace the original sensor with a dummy sensor. Lawdog207 New Member Posts: 6 I'd like to place it in the stock O2 location, Does anyone here know the resistor impedance needed to tricking the ECU into thinking a You can make the car show whatever you want with link. One of my exhaust O2 sensor heater circuits failed a couple of years ago, so I jumpered the signal line to the other exhaust O2 heater circuit. 5 to 0. Member's Picture Albums. A failing sensor won't oscillate correctly between the required values. Connect the electrical wiring to the dummy sensor. I can’t find a similar product from a different company either. doc), PDF File (. They do NOT have any impact on the engine function whatsoever. The heater circuit simulator resistor is omitted in signal-only installations. You can leave the O2 sensor plugged in to satisfy the ECU and either leave it in the exhaust stream, or tuck it away somewhere in the engine bay - although this isn't recommended as it gets VERY HOT. Butthere are tons of sport bikes running around without fuel controller or tuneboy with either an open circuit where the O2 sensor used to reside or Dual exhaust with two downstream O2 sensors requires a set of 2 Oxygen sensor simulators. Apparently the O2 sensor draws in air as a reference through the signal wire. The resistor capacitor fix. If you want to remove the first sensor before the catalytic converter, you will need an O2 sensor simulator, which can be found online. As a registered member, you’ll be able to: Participate in all Tacoma discussion topics; Communicate privately with other Tacoma owners from around the world O2 Simulator. The document describes two methods for simulating an oxygen sensor to avoid check engine lights: 1. Wire the 271-1134 resistor and the 272-1055 capacitor in parallel to the blue and white wires. . Most posts I see talk about the URD O2 sim however they have discontinued that product. It does not need to be hooked up to your exhaust system. The red is cut and attached to the O2 Simulator white wire. O2 Simulator Mini Cat Cel Fix, Big Daddies Garage Mini Catalytic Convertor Rear Oxygen Sensor Simulator is the best and easiestway to clear p0420 / p0430 codes for bad or missing catalytic converters. Photo in Cleveland, Ohio 1999 323i - Totaled at 265,000 miles. The resistors on my setup have burnt out after 7 months and although I can increase their capacity, I can never guarantee this product and charge for it. 7v slightly wavering being the sweet spot to make the ecu think the cats working normally ive read conflicting over seas info online Oxygen Sensor Bypass/ Simulator. Oxygen Sensor Simulator_Jumper - Free download as Word Doc (. Feb 28, 2019 · So this site appears to discuss what combination of resistor and capacitor you will need to create the correct low pass filter for your vehichle. Keep in mind that this is for trucks that do not need emissions testing testing. It's not as simple as "adding a resistor" or moving the sensor to a different location. bdholsin Dodge Dakota JOIN HERE 6/10/2003 11:39:37: RE: O2 Simulator IP: Logged Message: Thanks. 9v. 4L V6 4WD(U. 00 : O2 Simulator, E-commerce I know of one person that bought it, but he hasn't installed it yet. This is most definitely all the URD device does. *note* You would be modifying your vehicle in a way the factory never intended. Location Fanning Springs,FL. Help Location: Odlest city in North America. An O2 Sensor Simulator is a device that replaces your O2 Sensor. 1v (lean). It’s expecting to see a voltage swing like the front sensor but not in phase with it and at a lower voltage. If you are here looking at this post to eliminate the check engine light in your vehicle, you should be looking at our DTC The O2 simulator is a plug-in replacement for the secondary O2 sensor that will provide the PCM with a signal that emulates a healthy cat for testing and off-road purposes. It emulates the O2 Sensor and fools the computer to think that there is an O2 Sensor installed. Join Date Dec 2007 Location Great Dismal Swamp Posts 16,085 My Cars Would swapping in a resistor or o2 sim resolve this possibly until I can get it up on a I'm planning on adding a 1Mohm resistor and a 4. MikeinNH67. Its not a disc. abishop Discussion starter. You likely have another circuit the ECU is looking for and that's the Ox sensor heater circuit. Magnum’s O2 Sensor Simulators are adjustable, allows you to allow for AFR adjustment within certain range. Are the wires in the cabin the same color as the O2 sensor wires under the car? Two black/white, one green/black, and one white/red? pciley, this would have been helpful when i was doing this mod to my car, but i did end up guessing correct on which wires were wich. I'm wondering if a lower ohm resistor would get This article is intended for those who happen to own a performance vehicle meant for off-road use only. Dec 15, 2003 · Should be called a catalytic simulator. I'd recommend wrapping everything up in electrical tape. There are plenty of videos on youtube. Just screw it the o2 simulator mini cat into the existing exhaust then srew in the oxygen sensor, that easy. No ifs, ands, or buts about it. Posts: 15 thad_ Junior Member . The ESP32 processes the analog ECG signal and The O2 sensor, or oxygen sensor, monitors the levels of unburned oxygen in your vehicle’s exhaust system. Posts: 1,244 Real Name: Mike. Dual exhaust with two post O2 sensors requires a set of 2 Oxygen sensor simulators. Explore comprehensive documentation for the ESP32-Based ECG and SpO2 Monitoring System project, including components, wiring, and code. Did you use 1/4w resistors? And did you have to simulate the heater circuit or did you leave the o2 sensors plugged in. Another method is to attach the resistor of a certain resistance value to the heater circuit of the oxygen sensor. For complete installations, securely mount the white In order to perform a successful O2 sim install, you will either need to leave your sensors in the bungs on the headers with the heater wires Here you can see the location of the o2 sensor plug. 60/126. No need to tune out the rear o2 sensors. 1v (100mv) to . In case of a single Lambda Probe or dual exhaust system fitted with two AF Sensors only, the oxygen sensor simulator taps to these ports. Reply the cap resistor form an integrator and voltage divider . To remove it from the white clip that holds it in place, pull the grey plug towards the front of the car. Yank the cat, remeasure the output signal and toss in a resistor to match the previous results. b454rat said: There is a way to make a downstream o2 sensor simulator yourself, you will need to make two if you go this route. you will need to measure the resistance of the heater circuit and install the right resistor between ECU PIN #72 and ECU PIN #31 Anyway, there is no need to do it if you just leave O2 sensor alone and only intercept the oxygen signal wire. 22 cal shell casing with wires coming out both ends. o2 simulator ECUs, ECU Tuning and Programming. 1 and . 9v (900mv). Jump to Latest 27K views 25 replies 12 participants last post by craz33 Oct 18, 2006. An RC circuit could do the trick there, 1M Ohm resistor in series with the downstream O2 sensor and a 1uF capacitor in parallel with the sensor, might have to play with There is an aftermarket O2 sim kit that sells for around $150 that simulates the O2 input so you can remove the actual sensor - and eliminate the fouling problem. O 2 sensor "simulators" filter and condition the output of the The input impedance of the ECU appears to be around 2MΩ and from what I could find, O2 sensors vary between 10-150µA at 1V max, so worse case Z=100kΩ. An O2 (oxygen) sensor is a critical component of a car’s fuel and emission system. 2019 401A PP1 GT auto- BMR- u. Manual; Jun 12, 2014 #11 curt-s. Its not a stupid device. Unbolt the rear oxygen sensor from the exhaust pipe, which is held on by two 12mm nuts. Jan 17, 2016 · I found the exact range. Posts: 1,374 Yes, good luck finding one. Location: Southport NC. May 19, 2003 · Secondary O2 Sensor at the O2 sensor connector from '99 GS-R schematic: GRN/RED (black) - heater ground controlled by ECU BLK/YEL (black) - heater power (sim power in to here) BLU/RED (white) - O2 signal(sim output to here) GRN/BLK (green) - O2 ground(sim ground to here) I would install a resistor in the heater circuit. They have been testing and fully working on 2002-2003 5thgen Maximas. I have now removed for a A/F ratio gauge and thought it would be worth it to share. If you can do this then you may be able to get the harness out without The O2 plug is located under the seat. And, you can make one yourself. Hoping someone can help me with 2001 IS-300. Join Date and I never bothered to swap the resistor/capacitor over to my new O2 sensor. Location: Trout Creek, MT. 204 posts · Joined 2005 Add to quote; Only show this user #1 · Apr 7, 2006. The o2 simulator site that jmlock put up has the simulators for $25, All it takes is a single resistor and capacitor for each side. I reciently started throwing the 430 code for the cats and decided to try these O2 sims from ebay and from the picture each is but a single resistor - no way it can simulate a fully functioning O2 sensor. Obviously This O2 Simulator usually clears the p0420 and p0430 check engine light codes (cel) 95. Up2NoGood, Jul There are different methods to bypass an oxygen sensor, including replacing the original oxygen sensor with a replacement sensor. It just means the actual value is that much closer to the nominal value, and it presumably costs a little bit more. The polarity depends which way around you have the wires, so if you can measure with a voltmeter The heater circuit simulator resistor is omitted in signal-only installations. Oxygen sensor eliminator is a must if exhaust was heavily modified or catalytic converter is hollowed or removed. The white and blue wires were spliced into to wire in the resistor and capacitor. I cut the blue and white wire and soldered the resistor and capacitor just like the diagram I attached below. what i did was splice into the the black (signal wire), and put in the 1 Mohm resistor and in the gray (ground) i put the one end or fa 1 uf Install the dummy O2 sensor (also called an O2 sensor simulator) by turning it clockwise into the exhaust just as though you were installing a regular O2 sensor. Steve. Heater Resistor [res-heater] - $10. If the readings are not within spec, a MIL code is set and the check engine light will come on. O2 sensor simulator circuit #2 . Lower the vehicle to the ground and start the engine. Add to cart-Remove. The power commander O2 Optimizer is in the picture below sitting on the resistor packets, it uses smaller wattage resistors (1/4 watt) but for a few cents more you are better off with 1 watt as they are far more durable. Climbing a steep grade with a load and putting more heat on the system, the light would go off. They use 1M ohm resistor and 1 or 4. The system also looks at the O2 heaters to see if those are working, so if you unplug it or cut the wires, you will probably get a code. had a way to make your own o2 simulator. If something goes wrong and you mess something up, I am in no way responsible. The blue and pink wires power the sensor heater and can be left in place unless you are installing a resistor. 45 x . However we spent few days of fiddling and testing to get the right behavior. Posts: 2,689 Doc2012. 49 $ 15. They are, it's the rear narrowband O 2 sensors that monitor the cat's effectiveness. That other O2 heater has now failed. Now an e30 & e90 owner. it's directly related to the high/low signal value's of any given signal variance. It is based on classical astable operating mode of 555 timer, so nothing revolutionary there. 1995 Eagle Talon TSi AWD. -Two 12 Ohm Resistor w/ a minimum rating of 15 Watts (R1 in diagram) (if you use a pigtail) A 1 Mega ohm (1MΩ) Resistor - RadioShack part number 271-1134 This should cost around $5 or $6. 2016 Oil Filter Location; DIY Oil Change; Oil Filter Comparisons; Washing & Detailing; 3rd Gen (2016+) How-To's; 2nd Gen (2005-2015) How-To's; 1st Gen (1995-2004) How-To's; I reached out to URD about the O2 simulator and got the response below: We are not marketing such a product currently. 49. It acts as a vigilant watchdog, ensuring that your engine is running at optimal efficiency and helping to maintain your Quick fix using resistor and capacitor to retard the downstream O2 sensors. 98. I did fond a 02 simulator from MAGNUM TUNIING for the 550i that does just that, the voltage changes slightly and with in the normal range so the ECM sees various voltages like the 2nd 02 sensor sends. Should also work on 2004-2008 6thgen Maximas as well. IE the voltage fluctuates between . '99 4Runner SR5 5spd 3. txt) or read online for free. Location: Stationed in Camp LeJeune, home is Conover, NC. rgw wwnfry puccu npidhhm uuy yoo dea oleoet guz ukzao