Question about 1995 Chevrolet Camaro

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1995 v-6 camaro

I have a 3.4 that misses.i have had the coil module checked and it was good.i checked compression,150.i changed plugs and wires and one coil,still got a miss. it helped but did not fix.

Posted by rawrich on

  • Edward Stalnaker Mar 12, 2009

    I am having a very similar problem on my 95 3.4. Cylinder 2 skips, but only after the motor warms up. We have replaced the fuel filter, fuel pump, injectors, plugs, wires, validated no blockage in fuel rail, and the same results. Coil packs are all good, plugs fire well, and it appears to be getting fuel, at least initially when motor is cold. But after motor runs for about 5 minutes, it starts running rough, loses the majority of it's power and sometimes shuts off when idling.

    We are thinking there may be a short somewhere, but cannot figure out where it may be that we haven't checked yet but would affect either spark or fuel just to cylinder 2.



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Ok heres the deal I have seen literally thousand of people who try just what you did. But forget the most overlooked things, the fuel injectors they wear out and plug up You need to have them professionally pressure cleaned and you're going to wanna actually see them do this with your own two eyes cause them may just pour some cleaner in the tank and say they did it or they will run the cleaner in the intake through a vacuum line which WILL NOT CLEAN THE INJECTORS it will though clean the intake manifold runners and valves. What you need is to go straight into thefuel rail and I recommedndBG fuel System Cleaner it's so good it's scary
The SEcond thing is chck to make sure you do not have a dead injector, sometimes an ohms test wll prove this do one test with the car stone cold and another after its warmed up. See if there is a big difference contact me and Ill give you the specs ok.
The last thing is the Intake manifold gaskets they get sucked in on the 3.4s a smoke machine is the most effective way to find a vacuum leak these days s shop could charg you $100. for a smoke test but its better than carb cleaner and a fire ball
Here are my credentals; Former owner of Ace Automotive Diagnostic Shop in lakewood Wa 14 years
Author of
ASE certified in brakes, Suspension,Steering, engine performance
and I have an L-1 advanced diagnostic certification ASE
Please take the time to visit the web site and check out the FAQ and BLOG it's free and there are so many answers there of things I have actually first hand experienced and fixed.
Contact me if you have questions and I hope you will leave me a rating on this solution Good luck

Posted on Aug 04, 2008


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