P0507 and p0171 Sep 15, 2024 · i take it that youre using a generic scanner, not a BMW specific one. If you have a B7 (2005. Two days ago, my CEL came on again, this time with p0507 and p0171. The issue is the codes P0507 and P0171, and the high suction coming from the dipstick and oil fill cap. Nov 8, 2017 · 1) How to diagnose the P0171 (Lean Condition). OBD scan said P0507, Engine idle higher than expected. Until a couple of days ago, I also had the engine lamp turned on, but after changing the gas station (the quality of the gas in my country is not great) the engine lamp is turned off, so I assume the lamp engine was turned on because of the gas quality. Sep 14, 2017 · P0171 repair success: Smoked and vacuum test the intake, no leak. I attempted to locate a vacuum leak on the intake side via visual and audio inspection. Went over i take and so to seff if I could find anything loose. Cleaned throttle body which needed it but did not solve problem. 7. This was ofc at the Sep 16, 2019 · Your car or truck has either a P0171, P0174 lean fault code or both stored in the pc, these codes derive from Oxygen Sensor (O-2) readings. Faulty IAC valve Jun 16, 2020 · P0171 is most likely vacuum leak. EGR, all good no leak, check valves holding and no issues. Went back to inspecting vacuum hoses. Oct 19, 2021 · When checked with computer, I get the errors P0171 and P0507. Tried the relearn procedure above 20x and no joy. Faulty MAF sensor P0507 - Idle Air control system RPM higher than expected; Large vacuum leak on engine: Probable cause 1. theres a big advantage to utilizing a BMW specific one, youll get more detailed codes, and generally with a generic unit, youll not see pending or inactive codes. Dec 3, 2014 · 2) P0507 came back with as a 'Pending' code - Cleaned Throttle body (quite dirty on 'back' side) - checked for vacuum leaks (non found) - IAC valve resistance measured as 9 ohms (within spec of 7. The odd thing was it would only idle high once the engine warmed up. Throttle plate misadjusted or damaged 2. May 12, 2013 · Hey, just got some codes, p0171 and p0507, the first says I'm running lean, the second says engine revs hang, I'm running my stock tune and they came up. I've read tons of conflicting fixes/suggestions so far. Jan 14, 2010 · The same time this happened I got a letter in the mail about the recall of the ignition coils. ) After a week or so, my CEL came on with p0507. My first problem. 5+) Audi A4 with the 2. Regarding P0507 see the general causes in this article , and it might be caused by same source for both codes (throttle housing and/or seals). Now, I have 625-640 Idle RPM and no P0507. Kept at it and finally got an ERRATIC BLINKING CEL that went solid, then started engine within 3 secs. Deleted code, and reset ECM. Blinking CEL 5x and then solid never worked. Nov 22, 2017 · I just wanted to update the high idle issue that presented itself almost a year ago. Jan 30, 2017 · I didn't not have a check engine light but decided to check the codes / vacuum. Found a damaged check valve on the airbox and a leak on the pancake valve attached to the valve cover breather. Any info on the codes or insights to the issue is greatly appreciated. I checked for vacuum leaks several times (none found), checked fuel pressure (OK), and cleaned the MAF. This is usually a VACUUM leak from any one of a hundred places. Dec 2, 2011 · i would start by cleaning the maf with cnc maf cleaner, and check out the upstream o2 sensor, it could be caked up or something. Checked with a C110 obd scanner. Jan 16, 2011 · P0171 - System too lean; low fuel pressure or volume; Probable cause: 1. Sep 22, 2012 · So I've been contending with a frequent P0171 "System Too Lean" check engine light and an occasional P0507 "Idle Air Control System RPM Higher Than Expected". I brought my car in to the shop and the switched out my ignition coils. See the thread P0171 here and check the video in the same thread regarding one of the possible causes of the noise under the hood. There is in-fact a very noticeable hissing (at all times) when car is running from the vicinity of the throttle body, but I was not able to determine May 9, 2021 · Codes P0507, P1101, P0171, P0106, P015b I also have a recall on the vehicle and was wondering if the issue with the recall could be causing the codes. Jun 8, 2016 · P0171-Bank 1, P12A2 and P0507 Autozone read them for me, P12A2 and P0171 were repeated exactly twice on their report. Used a code reader at auto parts store and they diagnosed as front o2 sensor. Also if the issue with the codes are covered under the powertrain warranty. - - - Updated - - - Mar 9, 2017 · The Squealing doesn't worry me, most likely an idler pulley or tension pulley. The next step will be to find where the break (vacuum leak) is. Large vacuum leak, 3. Dont want to get caught on a forum while at work. Cold start would be 2300 RPM and idle was 975 RPM. i cant get the exact name. 0 that has a rough idle and complaint of hesitation along with a lean code and other codes (mine was a misfire, fuel pressure reg code, and idle speed code). Aug 5, 2022 · So. However from time to time over the past year, the idle would surge when stopped at a red light and cause the CEL light to come on. Found it was alarm 0171 (system to lean) . With no check engine light and base fuel trims, engine idle for 10 min, fuel trims normal and no check engine light. The rpm problem also seemed to get better at most times. All good. I cleared it and it didn't come on. Jump to Latest. •P0336 Crankshaft Position Sensor A Circuit Range/Performance Jul 10, 2016 · p0171: Motor running too Lean (something like that) p0507: rpm too high at idle (something like that) These are off the top of my head but pretty much its what it means. Got these codes using the Foxwell NT500 P0171, P0507 08825 08583 00768 Inspected all hoses for a vacuum leak visually and found nothing obvious. It’s likely going to be an intake leak of some sort that is causing the issue. Your computer will tell you your "Lean" P0171 and also compensate by enriching the amount (time) of gas to (try) and keep your fuel to air mixture at a perfect 14. Checked for vacuum leaks with propane with no surges. Chevy Cruze P0171 Causes Codes P0171, P0174, P0106, and P0507 I have had the 171 and 174 codes for about 3 months. Is there a sensor or valve that could be causing this other than the diaphragm on the pressure control valve inside t Jan 14, 2022 · She has persistent/reoccurring check engine light, with P0507 P0171 P0174 codes, and high or surging idle. My attempts to rectify included cleaning and later replacing the MAF sensor. Coil unit changed a year ago. 4) 350 miles later get a CEL with a p0507 There is no iac it uses a throttle servo to adjust idle heres a tip I found for code P0171 let me know what you find. Jan 15, 2011 · 16891/P0507/001287 - Idle Control System RPM: Higher than Expected. My boost gauge idles just over 20 inhg, im reading its the pcv but not positive what people mean by this. I replaced the oil trap and most of my issues were solved. I bought the car not long ago. By the time i got home my MIL was back on. Mar 29, 2010 · Mainly when at idle and when the RPM would drop from something higher (If the engine was revved, it would seem to 'bounce' down a bit. After researching, seems like many people attribute it to the vacuum system leaks, but what could the squeal be? Sounds like its coming from the rear part of the engine, maybe more towards the left side. Nov 12, 2013 · P0507 - throttle body dirty, throttle valve control motor going out-- this would cause your bouncing idle, either motor has a hard time moving that valve, or the motor's bad and can't do it right P0171 - vacuum leak, otherwise a bunch of other things Feb 2, 2024 · Just fixed my P0507 code on my 2016 S60 T5 idle higher than expected. Faulty HO2S, 2. ideas? Jul 16, 2014 · Hi everyone, my 04 1. Mar 7, 2011 · P0171 P0507 08825 08583 00768 Codes on Foxwell Reader 2008 B6 Passat turbo 4 Check Engine light came on. They suggested the fuel pump needed replaced. Apr 26, 2018 · P0171: Fuel Trim System Lean Bank 1. I figured I would look for obvious vacuum leaks before springing for a new one. May 17, 2016 · •P0171 System too Lean (Bank 1) •P0174 System too Lean (Bank 2) this MAY be related - vacuum leak causing hi RPM, the low volt and lean indication •P0507 Idle Control System RPM Higher Than Expected This is a stand alone code. 7 - 9. This time it was P0171 and P0507lean condition in fuel bank one and high idle indicated. Possible Symptoms Malfunction Indicator Lamp (MIL) active Possible Causes Throttle Valve Control Module (J338) dirty/faulty Mar 9, 2017 · Finally got a code reader and have the P0171 and P0507. Sure enough there was a pending p0507 (Idle past threshold) and then a few minutes later a p0171 (system too lean bank 1). Unfortunately both issues kept occurring and the car felt sluggish. Tags limp mode throttle body lighting bolt bas esp p0171 p0174 p0507 throttle body cleaning. the 171 is system too lean, any air/fuel related sensor could pull this off, even bad gaskets. Got the alarm yesterday while driving. Check engine light on and idle would surge at stops when up to temperature. Everyone was saying check all the hoses, pcv valve, oil cap, etc. Many problems can cause the Cruze’s computer to throw the P0171 trouble code. 3 ohms, but this was at 50F instead of 73F) 3) Pending P0507 goes away - thought problem was fixed. A lean code or codes suggest that there surely is too-much air in the exhaust. Not sure where to start or what to look at. I'm suspect of that. i think some people use like Oct 17, 2022 · Throttle Body Clean , P0171,P0174, P0507 Codes. When P0171 exists along with any misfire trouble code(s), a mechanical fault is investigated first; which is the reason we are suspecting a vacuum leak in this particular situation. Unlike the P1101 code listed above, the P0171 code can be caused by many issues. definately feel around the intake, there could be unmetered air getting in somewhere, you would need to feel or use smoke/mist or something. OBD-II trouble P0507 is described as Idle Control System RPM Higher Than Expected. If anybody can help me out that would be greatly appreciated. How To Fix and Reset P0300, P0171 and P0507? So as we can see, P0300, P0171, and P0507 are all related, with the culprit being some break in the system allowing for air to enter the intake manifold which the computer has not adjusted fuel delivery for. 8t quattro is throwing p0507 and p0171. It means your pulling air from somewhere else than thru the MAF sensor. a pending code is one that the failure event hasnt occurred enough times to set a CEL, an inactive is one that has occurred in the past but isnt an active fault at Jun 28, 2010 · Afterward, idle went up too high and threw a P0507. OBD-II Trouble Code P0507. yucxm uoaxu iglde rvba fjqrr qsr jfe hnrd hhughr sjytb frbxtbj wmkqsst ozvqfq gqdv xgr