help car is breaking up at 3-4k rpm
#3
Racecar - Formula 2000
Also plug wires and coils...
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carefull
I do know if you keep doin it you'll be replacing your engine soon. The best thing to do is to buy a wide band. This will tell you if your running lean at that point. If so, check fuel filter FIRST. Then maybe spark plugs, possibly coils, or primary injector rail leak. Something as easy as grounding solved alot of these issues. Has your battery been relocated? If so you have to ground the crap out of these cars. Hope ya fix it soon.
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ncds_fc
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08-15-15 10:06 AM