1997 Cadillac Catera Had Coil Pack Replaced 3 Times Recently Missing Again

1997 CADILLAC CATERA
130,000 MILES
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We have had the coil pack replaced 3 times recently, and it is missing again, codes P0304, and P0301. Obviously it is not the coil pack, what else could cause this?
Dec 22, 2012 at 7:55 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
check fuel pressure if ok then check compression shold be 46-59 key on engine off
Dec 22, 2012 at 8:00 AM
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