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89 22re misfires at high rpm only

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Old 06-30-2009, 08:38 AM
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89 22re misfires at high rpm only

89 4wd 22re highr rpm misfire, replced, coil, ignitor, plugs, wires, and distributor, dist cap, and rotor. Keeps throwing an IGF code and has rondom but consistent misfire. Checked all groungs, even added 2. Ideas?
Old 06-30-2009, 08:42 AM
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Is it possible your timing chain slipped a tooth? Upper RPM missing is consistent with cam timing issue...
Old 06-30-2009, 01:34 PM
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Motor has less than 9,000 miles. It is the third motor for this truck. The first one died from oil pressure, second from a bent rod from the remanufacturer. This one is from a different reman place. It has ran fine up to now. except for a bad gas issue about 2 months ago.
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