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Old 05-06-2011, 09:01 PM   #1
jebwhyme
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1991 2.3 help

Engine was running fantastic after tune up, plugs, wires, af, ff, pcv, ran superb for a month, then noticed slow drop in mpg over course of about a week. Stopped in for gas, and its running like crap. Tried changing wires again, replaced cracked coil, no improvement, it runs very erratic, smooths out a bit if I give it gas, idled good for 45 seconds, and coughs out and dies. Does it sound like fuel pump??
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Old 05-06-2011, 09:36 PM   #2
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Re: 1991 2.3 help

fuel or vacuum. Is it like a misfire or rpm's going up and down?
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Old 05-06-2011, 10:01 PM   #3
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Re: 1991 2.3 help

Misfire id say, bad one too.
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Old 05-06-2011, 10:02 PM   #4
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Re: 1991 2.3 help

But it does sound like its revving up and down too.
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