engine fault

2004 VOLKSWAGEN GOLF
105,000 MILES • 4 CYL • 2WD • MANUAL
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STEVEF37
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  • 3 POSTS
i have a golg gt tdi 2 litre, when cold the engine misses between 2-3rpm but when warm its fine
Jun 20, 2011 at 9:21 AM
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RASMATAZ
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 75,992 POSTS
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.Vacuum leak
5.Fautly fuel injectors.
6.Insufficient fuel pressure.
7.Contaminated fuel.
8.EGR valve that is leaking.
9.Oxygen sensors.
Aug 6, 2011 at 2:31 AM
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F4I_GUY
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 3,302 POSTS
First thing to do is scan the ECM. There will be codes if it is mis-firing. Some common faults on your engine are MAF's, EGR's, turbo pressure pipe leaks, ECT. A lot of things can cause your TDI to misfire. Scan the ECM and post the codes.
Aug 7, 2011 at 4:36 PM