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warner4284
Novice
Sep 26, 2009, 11:53 AM
Post #1 of 8
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rough idle and miss fire
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I have a 89 regency olds it has a rough idle and a miss fire we just changed a arching coil pack along with the plugs and wires and we are still having these problem
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Hammer Time
Ultimate Carjunky
/ Moderator
Sep 26, 2009, 12:10 PM
Post #2 of 8
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Re: rough idle and miss fire
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By chance, have you had to top off your coolant recently. See if it has lost any.
Is the check engine light coming on at all?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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warner4284
Novice
Sep 26, 2009, 12:13 PM
Post #3 of 8
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Re: rough idle and miss fire
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No the engine light is not coming on that is the weird part I am checking on that other question one sec
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warner4284
Novice
Sep 26, 2009, 12:15 PM
Post #4 of 8
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Re: rough idle and miss fire
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yes the car has coolant
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Hammer Time
Ultimate Carjunky
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Sep 26, 2009, 12:17 PM
Post #5 of 8
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Re: rough idle and miss fire
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I didn't ask you if it had any. I want to know if it has been consuming any over time, even small amounts.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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warner4284
Novice
Sep 26, 2009, 12:26 PM
Post #6 of 8
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Re: rough idle and miss fire
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oh ok sorry i don't know we just got it
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warner4284
Novice
Sep 26, 2009, 12:27 PM
Post #7 of 8
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Re: rough idle and miss fire
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what coolant is there is clean that is all I can say I don't know if it has been consuming any or not
(This post was edited by warner4284 on Sep 26, 2009, 12:47 PM)
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Hammer Time
Ultimate Carjunky
/ Moderator
Sep 26, 2009, 1:18 PM
Post #8 of 8
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Re: rough idle and miss fire
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OK, these things have a know problem with the plastic intakes rotting out and they leak coolant into a valley area. It doesn't hurt anything at first but as the level rises, it gets suck into the intake and into the combustion chamber causing misfire and eventually it dies from fouling. You would have to pressure test the cooling system to test for this while listing in the intake for the gurgling.
Here is a TSB about it.
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