Audizine p0135 16519 problems. But do not let this problem slide.


The O2 Sensor is Typically the Cause of P0130. (SRM RS7 CHRAs, installed in 2017 when removing the screen wasn't suggested yet) Jan 10th, Driving aggressively in Northern Virginia traffic one turbo/both turbos go boom, YES I still had my oil screen in. Here are the most common issues that cause the P0135 code in the Ford Mustang. More so than the 4. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. I have an Audi A6 Avant C6 2006 and a few month ago I had the infamous problem of the steering column module: once I insert the key and turn it, all lights go on, the radio works but the engine doesn`t start and the gear gets stuck in parking. Aug 15, 2011 · Join Date Aug 15 2011 AZ Member # 79812 My Garage 01. It's free and it's easy, so don't hesitate to join the Audizine Family today! Oct 3, 2018 · P0135 Causes: Ford F150. ,Bank1-Sensor2 Slow Response 16524 P0140 O2 Sensor Circ. I test drove it yesterday and it seemed ok. The hood won't budge Go up to the hood and give it a little tug upward then the little tab in the front will pop out and continue as usual, Pull it out and open the hood. It's free and it's easy, so don't hesitate to join the Audizine Family today! Jun 27, 2017 · wondering if anyone else has had the same problem. We carry a few different PCV fixes depending on year/VIN of your car. 8t AWP engine. Jan 3, 2018 · Kris on another site is at the beginning of a test run with a new allroad and says he's experiencing the same issue. It's free and it's easy, so don't hesitate to join the Audizine Family today! Mar 23, 2024 · How to repair P0135 Ford code O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1 Oxygen Sensors (O2S) or Heated Oxygen Sensors (HO2S) need to reach a minimum operating temperature of 750 degrees F to produce an accurate voltage signal. First time it was just the brake light coming on, so I got it looked at and the dealership I bought it from said it was just a sensor problem, few weeks pass and I go to drive away from my house and push the brake when all of a sudden my foot slams to the floor and my car comes to a rolling stop. 2013 S6 with 109,xxx miles on it. Sep 29, 2018 · P0135 Causes: Pontiac Montana. Muscular and articulated, yet sleek and rounded. The oxygen sensor plays a crucial role in monitoring the oxygen levels in the exhaust gases, providing feedback to the engine control module (ECM) for proper fuel delivery and emissi Jun 26, 2009 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. If the fuse is not the problem, the next thing to do is to inspect the wiring. Code P0135 stands for Oxygen O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1). Oct 3, 2015 · 2001 Nissan Pathfinder SE 3. A heater for the sensor element is embedded in the Air/Fuel Ratio (A/F) Sensor (Sensor 1), and it is controlled by the Powertrain Control Module (). 0t has problems with PCV failure and oil seepage like you have describes. Car runs fine otherwise, 16519 - Oxygen (Lambda) Sensor B1 S1; Heating Circuit: Malfunction P0135 - 35-10 - - - Intermittent 17536 - Fuel Trim; Bank 1 (Mult): System too Lean P1128 - 35-10 - - - Intermittent 17538 - Fuel Trim; Bank 2 (Mult Dec 16, 2016 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. The sensor costs between $200 and $300, and the wiring can be a bit pricier. Defective O2 heater element. Since the car was driving fine I cleared it and continued driving. 0L Upstream Oxygen Sensor Heater Element Test. Sep 23, 2009 · 16519 P0135 O2 Sensor Heater Circ. pas rack and a couple pipes. It's free and it's easy, so don't hesitate to join the Audizine Family today! Diagnostic trouble codes are output by the control module in cars and trucks that are equipped with OBD-II diagnostic capabilities. Also, I don't know if this code came up because I was running 100 octane for about 1 month (expensive!) and then switched back to 91. Aug 11, 2023 · Need More Help with a P0135 Code? Fixing a P0135 is usually a simple job. To diagnose the P0135 Honda code, it typically requires 1. It's free and it's easy, so don't hesitate to join the Audizine Family today! Jan 17, 2017 · Confirm my theory, if i replace the pre cat passenger O2 sensor these will all resolve? If i clear them they come back over time, about a week or so. The code did clear itself also. . Once the cause of the problem has been diagnosed, the appropriate repairs can be made. ? . 3 days ago · Discussion Forum relating to the B8 A4 (2009-2016) and A4-based allroad. To diagnose the P0135 1999 Honda Civic code, it typically requires 1. There was a pretty major fuel system recall, and ECM recall (many people have avoided this one, anecdotally gives you lower MPG lower emissions) - I think those were the major ones - I think some were recalled for the water pump/thermostat but not that many. This indicates the PCM has detected a problem with the bank 1 oxygen sensor. Sep 24, 2023 · The first step in fixing code P0135 is to diagnose the cause of the problem. It's free and it's easy, so don't hesitate to join the Audizine Family today! P0135 code definition. It's free and it's easy, so don't hesitate to join the Audizine Family today! Oct 31, 2004 · Yesterday I changed the fuel filter as a precautionary maintenance i didn't have any problems or noises with the old one. I ran into the same issue with my 01 S4 (and a similar issue with bad EGT codes after replacing the EGTs the codes came back). O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1) What the P0135 code means. If you reset the code and start the vehicle it CEL comes back instantly. 0T Location Canada Jul 1, 2005 · TT (Mk1) Discussion - Had to reset for code #16519 oxygen(Lambda) sensor - PO 135-35-10 intermittent B1S1 heating malfunction. But do not let this problem slide. 3L, 6. It is necessary to use an OBD Feb 16, 2016 · I'm having a P0135 (I think it is P0135, its the code for the pre-cat O2 sensor heater circuit) come up intermittently. ,Bank1-Sensor2 Low Voltage 16522 P0138 O2 Sensor Circ. Starts up and idles fine, check engine light flashing if over 1/3 throttle. Apr 1, 2015 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. Feb 27, 2011 · Join Date Feb 27 2011 AZ Member # 71576 My Garage 04 A4 2. This can be done by connecting a scan tool to the vehicle's OBD-II port. This i believe will prime the system and the Apr 3, 2017 · Discussion Forum relating specifically to the C7 platform including the A6, S6, RS 6 and A7, S7, RS 7 (2012-2018). P0135 is the OBD-II generic code indicating the engine control module (ECM) has tested the O2 sensor heater circuit and has detected a problem with the bank 1 sensor 1 O2 sensor heater circuit. Here are the most common issues that cause the P0135 code in the Ford F150. 0T and ZF8 combo has easily proven to be one of Audis most reliable drivetrains in the past decade. It will grow over time, causing problems for the combustion process and the whole engine. This could happen because of something like an exhaust leak, or something in the cooling system that causes the fueling to run rich all the time. I did some searching but didn't really find my exact issue. . Here are the fault codes: P0301 - Cylinder 1 Misfire P0303 - Cylinder 3 Misfire P130A - Cylinder Disabling P0300 - Random/Multiple Cylinder Misfire I changed the plugs and ignition packs in cylinder 1 and 3. It's free and it's easy, so don't hesitate to join the Audizine Family today! May 1, 2011 · Join Date May 01 2011 AZ Member # 74857 My Garage 2002 A4 3. 0T (turbos due to screens on pickup tubes) and anything with the DSG often tends to run into mechatronic failures when pushing them hard. Jan 11, 2014 · Hey gurus, Quick run down of my last 6 months. Sometimes, the issue can be with external wiring that can be repaired, while other times, it is internal, requiring a new sensor. Jun 11, 2013 · Check for open recall campaigns and avoid ones where you cant get the service historythey are out there. Here are some possibilities. Sep 29, 2018 · P0135 Causes: Chevy Silverado. Open the driver door, wait 20 seconds, put key in ignition and press once turn on accessory mode only (without pressing the brakes). Jan 9, 2016 · Hi all, having trouble with my A4. View Full Version : Intermittent P0135. Feb 2, 2023 · Join Date Apr 15 2022 AZ Member # 691122 My Garage B8 A4, C2 Corvette, Austin-Healey 3000 BJ8, SN95 Mustang, 36 Ford hot rod truck, A4 B9 S-line, A3 8V Oct 3, 2018 · P0135 Causes: Ford Explorer. It's free and it's easy, so don't hesitate to join the Audizine Family today! Apr 22, 2019 · What is the Cost to Diagnose the Code? Labor: 1. Sponsored by JH Motorsports. It keeps throwing code P0135 - Air/Fuel Ratio sensor (sensor 1) heater circuit malfunction. ,Bank1-Sensor1 Malfunction 16520 P0136 O2 Sensor Circ. Jul 30, 2021 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. It's free and it's easy, so don't hesitate to join the Audizine Family today! Mar 24, 2011 · Audizine Online Audi Enthusiast Community Forum. 5L 270,000 miles 4x4 Manual Trans A/C Reoccurring Codes: P1110 P0135 My Symptoms: After clearing the codes, they will return within about an hour of highway driving, returning much sooner with city or "stop and go driving". Dec 27, 2014 · Fault Codes: 18405 - 18405/P1997/006551 - Friction too High; Exhaust Cam Adjustement Bank 1 16399 - 16399 - Bank 1: Camshaft B (Exhaust): Advance Setpoint not Reached (Over-Retarded) 18406 - 18406/P1998/006552 - Friction too High; Intake Cam Adjustement Bank 2 Aug 18, 2012 · To further help you in effectively diagnosing each O2 sensor (and trouble codes: P0135, P0141, P0155, and P0161), here's a list of articles that will help you to diagnose these codes in a step-by-step manner: Upstream Oxygen Sensor Tests (P0135, P0155): 1999-2002 4. But try this, before you turn it on. Jun 3, 2013 · Happened to me before. My problem started a few months ago, occasionally when I would park the car overnight my left rear bag would be deflated in the morning (usually about 8 hours) but not always. 5 S4 Avant & 02 S4 Location Madison, WI Sep 22, 2008 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. Jun 26, 2020 · I had the recall done and it did not fix the issue and initially had the "resistance too high" issue, I unhooked batter, took seat out the car, unhooked all the connections and rehooked after cleaning the connections with proper cleaner. Jun 8, 2021 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. I then tried to swap in another brand new mopar sensor. Think I might have a clogged cat on the drivers side. Each HO2S compares the oxygen content of the surrounding air with the Aug 11, 2023 · Description. It's free and it's easy, so don't hesitate to join the Audizine Family today! Sep 12, 2019 · Mercedes Benz Code = 0433 (Right O2 sensor, before TWC): Short circuit to positive / Resistance of sensor heater too low (P0135) Mercedes Benz Code = 0436 (Right O2 sensor, before TWC): Heating capacity is too low. This engine is very wide spread across a ton of Audi models. Apr 18, 2005 · 16519 - Oxygen (Lambda) Sensor B1 S1; Heating Circuit: Malfunction P0135 - 35-10 - - - Intermittent Readiness: 0000 0000 Is this the O2 sensor in the front? Is it the sensor or a voltage problem. 9TDI 130BHP with 165k on the clock. Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. Can I replace it? Sep 21, 2008 · Hello and welcome to the Audizine Forums! Hallo guys I have the same problem with my audi a4 2002 can any one help me with ? 04-28-2012 11:02 PM #10. All you have to do is make sure you pulled the hood latch already from inside the car. Nov 21, 2017 · Please confirm the part(s) you are referring to - 06E103207AP is a breather hose, it has a inline check valve but no solenoid (by definition a solenoid is an electromechanical part) so it is not clear what part you replaced. It's free and it's easy, so don't hesitate to join the Audizine Family today! Mar 11, 2007 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. User Name: koolade9 Real Name: Blake Ferguson Location: Phoenix, Arizona USA Year of Vehicle: 2007 Model of Vehicle: RS 4 quattro Engine of Vehicle: 4. 8t Location Winnipeg Jun 2, 2015 · I got a P0135 oxygen sensor heater malfunction code after replacing old sensor with a denso. PDA. Jul 23, 2007 · Ive done it for you mate, here is the response: Evning mate I am unsure if i have these, I can check for you tomorrow and get back to you if thats ok? Make me an offer on them and I have them we can negotiate a price Yes I have the following bits from a leon if he needs them - front suspension, front crossmember, hubs, driveshafts and CVs. BUT, that is the old style bearing that has problems and that's just one bearing out of 24 that are in the engine. Jan 7, 2023 · Rough engine performance. It's free and it's easy, so don't hesitate to join the Audizine Family today! Sep 3, 2017 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. It's free and it's easy, so don't hesitate to join the Audizine Family today! Feb 25, 2012 · this is a great thread. ,Bank1-Sensor2 Malfunction 16521 P0137 O2 Sensor Circ. It's free and it's easy, so don't hesitate to join the Audizine Family today! The 2022 e-tron GT Marks Its Arrival with a Refined Bang August 13, 2021 - Written and Photographed by Vincent A. Feb 25, 2018 · The PCM monitors the heater circuit and will turn on the check engine light if it finds a problem. Feb 27, 2024 · If the fuse is blown, replace it with a new one and see if the problem is resolved. Spectre1130. Here are the most common issues that cause the P0135 code in the Chevy Silverado. I have replaced the A/F oxygen sensor twice with Honda factory part from dealership. Aug 21, 2023 · What Does P0135 Code Means On Chevy Silverado? The P0135 code on a Chevy Silverado indicates a malfunction in the vehicle’s oxygen sensor heater circuit for Bank 1 Sensor 1. 0. Step 2: Inspect the Wiring. Also, windows won't auto up & down or drop & raise when opening & closing May 7, 2018 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. Mar 23, 2024 · How to repair P0135 Chevrolet code HO2S Heater Performance Bank 1 Sensor 1 Heated Oxygen Sensors (HO2S) are used for fuel control and post catalyst monitoring. Jun 7, 2015 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. Jan 20, 2019 · Here are the most common issues that cause the P0130 code in the Audi A4. The Motor Guy is a passionate car enthusiast with a love for troubleshooting and diagnosing all sorts of vehicle problems. I'm having Apr 13, 2021 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. Dec 26, 2017 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. (My van was made in Oct 2014 and supposedly be affected). Oct 16, 2018 · Hello, I’m having in issues repairing my 2008 civic Si. Sponsored by VMR Wheels. Nov 15, 2018 · P0135 Causes: Toyota Corolla. Sep 15, 2014 · All that P0135 means most of the time is that the O2 sensor took too long to get up to operating temperature. 02-16-2016, 01:23 PM. He said he's doing a "lock to lock" steering wheel turn when he first starts up the test car and that seems to help a lot. Most likely that means O2 sensor was not the problem, instead there is an issue with wiring. Jul 9, 2018 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. Dermott Two mornings ago I got a CEL within a mile from home. But I ran out to lunch and again within a mile the light came back. It's free and it's easy, so don't hesitate to join the Audizine Family today! Sep 3, 2009 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. Sep 11, 2011 · Before I give up on this car and trade it in for a bicycle, can anyone offer any other possible reasons for low oil pressure? Here's the situation - * Oil Pressure readings are: idle * * * * *12psi 2000rpm *24psi 3700rpm *34psi and I have fault code P164B (oil pressure switch malfunction) and ECM light comes on when revs go over 3700rpm Car was bought with seized intake balance shaft. After researching in this forum, I realized that I may need a PCM reflash to correct the problem. 7T swap, 13 Q5 3. Any help would be great, my first guess is the O2 snesor and I should replace it. Mar 10, 2023 · So I have been dealing with code P0087 Fuel Rail/System Pressure - Too Low for awhile now and cannot seem to figure out why. What is the silver aluminum foil like hose? (on the right of the picture by the engine) I think there's a leak coming out of that. Here are the most common issues that cause the P0135 code in the Ford Explorer. I'm not sure if the valley pan gasket was bad but I changed it at the same time along with the pcv valve, the oil pressure switch and the little hard vacuum lines that run to the back of the motor all as preventatives. I used my BT reader and pulled a P0135 for O2 heater. my car was leaking quite a bit out of the oil cooler o-rings. now that fault is gone but I'm stuck with these two faults, and all this happend 1k outside of warranty which, really sucks. Noticed on the way home from picking up the car from service. It's free and it's easy, so don't hesitate to join the Audizine Family today! Dec 16, 2009 · The issue I am having with my '02 Allroad that is a little weird. The scan tool will display the code and any other relevant information. 2 V8 FSI May 10, 2019 · This shit sucks, same here. Aug 11, 2023 · What is the Cost to Diagnose the Code? Labor: 1. What does it all mean? First problem of this type. Apr 30, 2016 · Thanks for any help on how I can test my 02 Sensors on 05 1. It's free and it's easy, so don't hesitate to join the Audizine Family today! Oct 3, 2018 · P0135 Causes: Ford Mustang. While the 3. In most cases, all it takes is to fix the wiring or replace the sensor. With years of experience in OBD diagnostics, he has become an expert in identifying and solving complex automotive issues. 0 hour of labor. It's free and it's easy, so don't hesitate to join the Audizine Family today! Jan 8, 2009 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. I cleared the code once after switching to 91 and 91 program mode on Mar 13, 2024 · The Motor Guy. 0t Community. Conti Dauntingly quick, yet hauntingly quiet. So in your case it's definitely the one under the manifold but if you get the $50 Pierburgs just replace both, since you have them out. For the rest of the 40 mile commute there was no light and car drove fine. Feb 19, 2012 · Join Date Jun 02 2011 AZ Member # 76367 My Garage 2012 Benz ML350, 2007 BMW 325xi, 2006 Audi A4 2. IIRC the P0135 means there is an issue with the heater circuit for the O2 sensor. There have been several revisions to the PCV system. Sep 22, 2009 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. Bad Oxygen Sensor– The oxygen sensor itself is one of the most likely reasons that P0130 is triggering your service engine soon light Nov 10, 2009 · The 2. 5 ECU with the wideband plug spliced in. Mar 5, 2018 · Hello All. Mar 19, 2015 · The coil packs and spark plugs are replaced. What Are The Causes of P0135? In nearly all cases of the P0135 trouble code, the fault lies with the oxygen sensor or its wiring. 8L, 5. (P0135) The code means that there is a problem with the heater element circuit of the heated oxygen sensor. Ive looked through the posts here and a lot lead to the auto tech piston in the hpfp being the issue. 0T S line, 02 A4 quattro 1. Bad Oxygen Sensor– The oxygen sensor itself is one of the most likely reasons that P0135 is triggering your service engine soon light. I will clear it and sometimes it will come back after 20 miles, sometimes it will take 150 miles. Jan 4, 2018 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. Jan 13, 2015 · ***EDIT: Have solved the problem, see post below*** Hi all, my first post and it's a fairly important one! Just picked up a beautiful 2nd hand 2001 1. 0t is a pretty solid engine, like any vehicle there is a possibility for problems. May 1, 2018 · We worked with an Audi Tech to put together an article for the 3. Here are the most common issues that cause the P0135 code in the Toyota Corolla. It's free and it's easy, so don't hesitate to join the Audizine Family today! Jul 17, 2022 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. Thanks in advance, any advice is greatly appreciated. May 26, 2015 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. Now the new filter makes very loud and weird noises when the fuel pump is priming or when trying to start the car. Sep 18, 2013 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. Still got P0135. The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Here are the most common issues that cause the P0135 code in the Pontiac Montana. ,Bank1-Sensor2 No Activity Detected Aug 10, 2023 · Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. They are presented in order (somewhat) of most to least likely to cause the problem. It is activated and heats the sensor to stabilize and speed up the detection of oxygen content when the exhaust gas temperature is cold. Look for any signs of damage or wear on the wiring that connects the O2 sensor to the engine control module (ECM). ,Bank1-Sensor2 High Voltage 16523 P0139 O2 Sensor Circ. 0 QT Location Orange County, CA Oct 22, 2023 · I'm not an expert, but from that picture the bearing still looks good and I don't see any signs of excessive wear. The trouble code P0135 is a generic powertrain code indicating a problem in the front oxygen sensor on Bank 1, a heated oxygen sensor circuit that decreases time to enter closed loop. 16519 - Oxygen (Lambda) Sensor B1 S1; Heating Circuit: Malfunction P0135 - 008 - Implausible Signal This is running an ATW harness on an ME7. Apr 7, 2014 · Two mornings ago I got a CEL within a mile from home. Jan 23, 2019 · The 3. Audizine Forums > Main Model-Line Discussion > B5 A4 > Intermittent P0135. However, on the way home this evening it had a pretty major brake problem which -worryingly- seems quite common. It's free and it's easy, so don't hesitate to join the Audizine Family today! Oct 5, 2019 · Also I should point out that P2006/7 is the solenoid under the manifold, not the one out front. kj rk kv fc dv aq jf vr rx hs