dantayuba wrote:The 04 codes are P0301, p0302, p0303 and p0304
I assume you used Toyota parts or Pontiac parts. Check for vacuum leaks, fuel pressure, clogged cat. Anything that could affect all cylinders at once. Clean all electrical connections you can access under the hood. A bad alternator could cause such misfires too.
for the 07 code p0452, yes disconnected the battery and I also use a scanner to erase it but nothing happens.
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