P0300 SLIGHTLY ROUGH IDLE LONG TERM FUEL TRIM ...

1998 Cadillac Concours

Tiny

Anonymous

December, 17, 2012 AT 4:10 PM

P0300 slightly rough idle long term fuel trim high bank 2. Any help would be appreciated

FOUND 2453 RELATED QUESTIONS

1 Answer

Tiny

hmac300

December, 17, 2012 AT 4:13 PM

Check fuel pressure first shold be 48-55 psi.

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