Question about Volkswagen Jetta

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'06 jetta 2.5. Use to have 2 problems, idle high when put in park and sometimes would not restart within minutes after shutting off unless push the gas pedal all the way to the floor. Since I cleaned the mass airflow an plugged back in, the high rpm has stopped but still have the other issue. I thought it would be the iac but cant seem to find one on a 2006 2.5. Also is it located with the maf?

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  • Contributor
  • 44 Answers

You need to connect a scanner and read any error codes.

Posted on Nov 20, 2017

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Posted on Jan 02, 2017

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cbaroni78
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SOURCE: high idle 1997 Madza 626 4 cylinder auto transamission

The PCM controls idle speed to ensure good driveability. The PCM will only attempt to maintain the desired idle speed when it “knows” the throttle is closed. A throttle switch or the TPS input is used to determine when the throttle is in the idle position. Motors and solenoids are used by most PCM’s to control idle speed. Many PCM’s are programmed to attempt to control the idle speed by adjusting spark timing and then by controlling the idle speed actuator. Some computers of the early 80's did not control idle speed.

Posted on Oct 19, 2008

66 chrgr
  • 1011 Answers

SOURCE: 1999 Grand Am 3.4litre idle problems. Starts rough

it sounds like you have a injector leaking down into one of your cylinders so it is flooding out a cylinder thus runs rough and long cranks.

Posted on Jun 16, 2009

  • 412 Answers

SOURCE: 1998 ram 1500 5.9 gas rough idle,hissing sound from air filter

SHOWING MISFIRES ON SCAN TOOL?IF NOT,ENGINE CONTROLLER HAS NOT LEARNED MISFIRE MONITOR..WILL HAVE TO BE DRIVEN A BIT FOR RELEARN..IF YOU CAN SEE MISFIRES..MISFIRING ON MORE THAN 1 OR ALL CYLINDERS?CHECK UNDERSIDE OF IGNITION COIL FOR CRACKS..IF NOT CRACKED,YOU MAY HAVE A FAULTY CRANK SENSOR..ANY CORRODED PLUG WIRES AT DISTRIBUTOR CAP?ALSO CHECK IF ANY OIL PRESENT IN INTAKE MANIFOLD..GASKET ON BOTTOM OF INTAKE MAY BE BROKEN CAUSING AN INTERNAL VACUUM LEAK

Posted on Jun 22, 2009

  • 134 Answers

SOURCE: idles real high at times

try replacing the idle control valve.

Posted on Oct 08, 2009

  • 90 Answers

SOURCE: p0102 code on 1996 f-150 302 replaced MAF will not

maf senser a tps senser are linked ,by they both sense the load on the engine ,one does it throttle opening and the other by air density u may check the tps and also for excessive air leaks around induction system

Posted on Feb 21, 2010

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When my lincoln town car 1993 dies when i stop do i have a serious problem?


No read the fix below.

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, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.


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this is your problem:

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