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98 cadillac sts

689 Views 1 Reply 2 Participants Last post by  EcSTSatic
trying to figure out what is wrong with my car ...It feels like it is missing when idling.....I have had the sparke plugs & wires changed out and also put new monitors in the car,nothing seems to work...does anyone have any suggestions....this car is draining my pocket book
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Got codes? Check for vacuum leaks? Might have a bad coil pack, can you tell which cylinder is missing?

What is a "new monitor"?
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