Thread: 04 Grand Prix engine light on but car runs fine what could this be?

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Cut out after WOT... runs fine on the daily

By real diehl in forum 3.8L V6 Supercharged (L67)(L32)

Replies: 11
Last Post: 12-08-2010, 12:52 PM
1996 Pontiac Grand Prix check engine soon light

By moospis in forum 3.1L V6 (LHO/LG8)

Replies: 1
Last Post: 10-12-2010, 05:45 PM
Engine runs fine till temp starts to rise...

By 97gpGTP in forum 3.8L V6 Supercharged (L67)(L32)

Replies: 9
Last Post: 06-24-2010, 11:22 AM
99 GTP runs fine cold, seems to lose a cylinder when up to temp?

By 99GTPJay in forum 3.8L V6 Supercharged (L67)(L32)

Replies: 37
Last Post: 06-17-2010, 07:26 AM
Bad rear 02 sensor and random misfires. Can runs just fine.

By spenc938 in forum 3.8L V6 Naturally Aspirated (L36)(L26)

Replies: 20
Last Post: 12-17-2009, 04:41 PM

Tags for this Thread

car, engine, fine, grand, light, prix, runs

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