1985 Volkswagen GTI Golf GTI 2litre

Tiny
FREDDY2010
  • MEMBER
  • 1985 VOLKSWAGEN GTI
  • 4 CYL
  • 2WD
  • MANUAL
  • 120,000 MILES
Engine hunting when left idleing
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Tuesday, September 14th, 2010 AT 3:16 PM

1 Reply

Tiny
RASMATAZ
  • MEMBER
Engine running rough or misfiring can be cause by the following:

1. Defective spark plug
2. Inadequate spark/coil, defective spark plug wire.
3. Lack of compression
4. False air leakage.
5. Faulty fuel injectors.
6. Insufficient fuel pressure.
7. Contaminated fuel.
8. EGR valve that is leaking.
9. Oxygen sensors.
10. Throttle position sensor.
11. Idle air control valve.
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Tuesday, September 14th, 2010 AT 3:18 PM

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