- 07-17-08 11:15 PM #1Cadillac Owners Enthusiast
- Automobile(s): Cadillac
- Join Date
- Sep 2007
2001 Catera tune up
I would like know how you would do a tune up on a catera? I did replace the plugs and fuel filter, but the check engine light came up, took it auto zone and it shows that cylinders 4 & 6 are misfiring. What could be the cause?
Codes are P0304 & P0306.
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