missfire

2001 SEAT TOLEDO
125,000 MILES • 5 CYL • MANUAL
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TOLEDOV5
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  • 1 POST
toledo v5 missing when hot under exeleration first 1000 revs then clears
Jul 13, 2011 at 9:07 AM
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RASMATAZ
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  • 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 11, 2011 at 10:19 AM