im1coolcat Posted March 13, 2015 Report Share Posted March 13, 2015 I have a 04 Seville that I'm having idling problems. I just bought it thinking it would be an easy fix, but its turned into a nightmare. Drives down the road smooth just like a Cadillac should. First I went to auto zone and they used their little computer and it showed misfire in #7. I bought new plugs (ac delco) and no luck. Then I bought a coil for 7 and again no luck. I then took it to Meineke and paid 50.00 for them to put on their machine so I wasn't spending precious dollars trying to figure it out. They said it showed p0300, plus p0307, and other cylinders. It was bouncing around. Also showed a crank sensor A and B, so I replaced those (not fun), and still no luck, went back to them and they didn't even understand because the fuel was showing 0 which was perfect and it shouldn't be with the miss. They said the injectors showed fine and also no vacuum leaks. Anyone possibly got and ideas?? This is driving me crazy!! Quote Link to comment Share on other sites More sharing options...
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