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740 tic 87 problems 700

uid 8728's pic
posted by  Morpheus on  Fri Oct 1 09:59 CST 2004
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Car starts fine when its been resting a while.As soon as it gets warm,it starts running really rough.Give gas allitle and its misfires and even backfires.Also idle goes up and down but in a really rough way.Disconnect IAC (wich is not the problem because it has been replaced) and it idles fine, but as soon as you give some gaz its misfires and backfires.Complete tune up has been done to the car since the problem first occured but its still as bad.Not the ect because when i disconnect it it runs the same and not amm either because when disconnected runs worse.What can this be.Id like to have it running for winter time.Thx









































































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Costa,740 tic 90' 433000kms, 760gle 89' 222000kms







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