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  1. Warning lights after sitting idle for a long time

    Volkswagen Passat B7 Discussion
    Hello all, Due to the covid19 pandemic, I have not driven my VW Passat 2.0 blue motion tdi, in the past 4 weeks. Now when starting the engine I get the warning "Error: ABS/Stabilization control (ESC)" along with the appropriate amber warning lights, this was not present prior to the idle period...
  2. 03 1.8t passat rough idle

    Volkswagen Passat B5 Discussion
    So im at the point that I'm ripping my hair out. My sons car will idle rough. no codes no engine light no vacuum leak. I have smoked it 10 times replaced check valves pvc coils changed vacuum lines I just cant figure it out. runs like a raped ape otherwise. any ideas would be very helpful. I...
  3. idle air control valve

    New Member Introductions
    Trying to find exactly where the idle air control valve is at on my volkswagen passat 2006. If anyone has pics to show that, well appreciated.
  4. idle fluctuates with A/C on; stable otherwise

    Volkswagen Passat B5 Discussion
    1996 A4 Quattro: AFC engine (12-valve 2.8L V6), automatic transmission (5-speed, non-tip) New plugs, wires, coilpack, and fuel pressure regulator have restored performance, eliminated CELs and stumbles. Everything had been running very well since I redid the aging ignition system, which had...
  5. 2003 GLX 2.0 Passat Wagon Starting to Idle Rough

    B5 Garage
    I bought this car (second 2003 GLX 2.8 [typo in title and can’t change] wagon) last year with 90k miles. It’s run well, but has been using oil. I just changed my oil last week and have heard a loud clunky sound twice when trying to start. It’s a horrible sound, but then the car starts easily the...
  6. Rough Idle and "Pressure Drop between Turbo and Throttle Valve." Many solutions alrea

    Volkswagen Passat B5 Discussion
    Rough Idle and "Pressure Drop between Turbo and Throttle Valve." Many solutions alrea My car (stock 2003 1.8t) has been having misfiring issues recently. Replacing the coils and plugs didn't resolve the issue. I plugged in my vagcom to see what's up and saw some expected misfire codes as well...
  7. idle fuel trim diagnosis -- help

    Volkswagen Passat B5 Discussion
    1996 A4, 12-valve 2.8 AFC engine, 110K mi, mostly urban and suburban "miles from hell" cold idle: rough; exhaust smells rich warm idle: smoother, less odor; speed mostly 800 RPM, dropping intermittently and briefly to 775; no error codes or MIL/CEL long term fuel trim, warm idle: +9% bank...
  8. High Idle, Multiple Codes, Throttle Body Adapted

    Volkswagen Passat B5 Discussion
    Hello, Firstly, I want to thank all of the veterans on this forum for all of the information you have provided. You are the true MVP's! I have been looking though a lot of posts, but nothing narrows down to exactly what I should try next. I have a 1999 1.8T AEB Passat with a high idle and...
  9. Rough Idle in drive/ Can't seem to pin point. 1.8t

    B5 Garage
    Hello, first post on these forums. Anyway I have a 2002 Volkswagen Passat Wagon 1.8T and even since i bought he car its driven super smooth but idles in drive with a bad vibration. Yes only in drive. What I've done so far. - All spark plugs - All coil packs - Had a engine code for catalytic...
  10. 03 Passat Will Not Enter Closed Loop, No DTC after 100 miles. Help!

    B5 Garage
    Greetings! Powerstroke monkey here in over his head on a side project. 2003 Passat 4motion 2.8 v6 auto. Parts used so far: New OEM coolant temp sensor. Two new Bosch upstream o2 sensors OEM Replaced intake manifold gaskets with OEM gasket Replaced pcv valve (puck style) Replaced pcv hard...
  11. 1.8T Stumbles Once And Awhile At Idle, Misfires Under Boost

    B5 Garage
    Hi I have a 2004 VW Passat 1.8T GLS with a stumble misfire when warmed up from a cold start. Under boost the engine would cut out on all cylinders when the gas pedal is pressed down at a certain point. I have a crack in the exhaust flex pipe before the catalytic converter I thought the down...
  12. Maf graph spikes at idle

    New Member Introductions
    Bought a 2004 b5.5 Passat 1.9tdi recently and have been having some trouble with the car going in to limp mode. Scanned it with a torque obd2 scanner and discovered that the maf graph spikes like crazy even at idle. This led me to replace the maf sensor, but this has still not solved the issue...
  13. Fixed misfires at idle

    Volkswagen Passat B5 Discussion
    1.8t AWM fwd auto b5.5 Add this so anyone searching in the future can hopefully see this. My engine was misfiring badly on all cylinders only at idle, sometimes worse than others. I changed/ checked the maf, evap purge valve, divertervalve, and most of the small one way check valves on the pcv...
  14. P0507 code high idle

    B5 Garage
    Hello friends... Started my car this morning and the idle was running at 900 RPM's. Could hear a distinct loud vacuum leak. Determined it was coming from the puck on the PCV. It is a loud and has a high amount of suction (hissing) coming from the center opening on the puck. Never heard this...
  15. AC turns off intermittently at idle.

    Volkswagen Passat B5 Discussion
    My AC blows cold when i am moving however it turns on and off while I am idling. The things I have checked so far, 384 relay, my 20 or 30 amp fuse for the AC and my freon levels are fine. Next on my list is to test the A/C compressor fan aside from that what else can I test and how?
  16. Issues on start idle. Jumpy lympy idle

    New Member Introductions
    Jumpy lumpy idle. Plz help Hi can someone point me in the right direction. When I start my car for the first few mins it starts with a lumpy jumpy idle. After a few revs of the boot and it warms up a bit this stops and car sounds normal no jumps or rough idle. Can anyone tell me what this might be.
  17. Rough Idle, Blinking CEL, no power please help!!!

    B5 Garage
    So I bought my Passat back in June for $500. Its a 2001 with the AUG 1.8T and it has 193,420 on the odometer. I drove it home (about 8 miles from town) back in June and it ran fantastic! The next day came and I hand washed her and got her a shined up and I went to start it and it started with...
  18. Engine missfires but no codes/car doesnt do high idle when you cold start it.

    B5 Garage
    hi guys, dont know if you can help. my 2005 1.8T 4motion is chipped stage 1 and have 168000km on. lately the car has been acting up. the car wont high idle at cold start like it normally does. i also have small miss fires but nothing to turn on the check Eng. is there anything that i need to...
  19. Hard cold starts, random idle stutter

    B5 Garage
    Hello there. Just as a preface, I'm going to try to give y'all as much info as I can on this problem, since I've been trying to diagnose it for a while. The Car: It's a 2005 1.8t auto wagon, AWM engine code with 160k on it. Stock except for APR Stage 1, which we've had for years with no...
  20. 1.9 TDI 110hp engine vibration at idle

    Volkswagen Passat B5 Discussion
    Hello, I've been having problems with engine vibration at idle for a long time. I can feel a lot of vibration at idle in the interior, which feels unpleasant. Oil is changed before 2k miles. I did EGR delete, but I had vibrations even before EGR delete, so it's not the problem. I thought it...
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