Breaking down issue please help asap!!!!!!!!!!!

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Sep 29, 2009 | 09:50 PM

jasonmurry69

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Breaking down issue please help asap!!!!!!!!!!!

i have a 94 lt1 z28. just replaced fuel pump and filters, plugs and wires. the car runs great till it gets hot and when it gets hot it starts to sputter, stumbles and almost like bogs. the idle gets alittle rougher on it and u can feel it loose power and the oil pressure seems to start flucuateing when this is happens but once again it only starts to do this when it gets hot. input would be awesome.thanks in advance! this is real frustrating to me.can it be the coil or optispark. once again thanks in advance!

Sep 29, 2009 | 09:55 PM

LS6427

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Could be as simple as a plug wire touching a metal exhaust manifold pipe. Check that and also check to see if all plug wires are "snapped" into place...both ends.

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Sep 29, 2009 | 10:00 PM

jasonmurry69

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But would that cause it to do it when only hot like it does

Sep 29, 2009 | 10:04 PM

LS6427

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Quote:

Originally Posted by jasonmurry69

But would that cause it to do it when only hot like it does

Now I'm not up on this opti-spark stuff...but alot of times when people do new plug wires they get misfires and stumbling trouble and almost always its a wire touching a hot pipe.

Just give them a quick check.

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