300ZX (Z31) Forums Dedicated to 84-89 ZCars otherwize known as the Z31's

cylinder 1 and 3 missfire

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Old Jan 5, 2011 | 04:45 AM
  #1  
lcplusmc's Avatar
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Joined: Jan 2011
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cylinder 1 and 3 missfire

ok here is my prob. I have a 85 na with what i asume to be an 86 or newer turbo engine. I got the car the way it is and the first time i got into the throtle hard it over boosted blew a headgasket and broke the friction surface off the clutch. i fixed all of that and now i have two dead cylenders 1 and 3. i did a compresion chech and the comp is even on all of the cylenders. If you pull the injector plugs off it does not change idle and the same goes for the plug wires. im leaning towrds injectors being bad. plzzzzz any help would be great. sorry it was so long just wanted to get as much info in as i could......
Old Jan 5, 2011 | 04:46 PM
  #2  
tonsoffun300zx's Avatar
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Joined: Jul 2007
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you should check the wires plugs and the dizzy cap first they are the easiest. if not do an ohm test on injectors 1 & 3. just my 0.02 cents. also a good way to test the injector is to put an automotive stethascope to the injector if it's not ticking it's probably not working. good luck with it though, posts a pic of the beast would ya?
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