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Engine problem z24
When my 96 cavalier z24 is cold, everything runs great. When it starts to warm up, however, the engine starts to have some problems. When I step on the gas, the engine sputters/flutters. This happens when the gas pedal is pushed down about 1/4-1/2 way or more. If I feather the gas pedal, it goes fine too. This also only happens when the rpm's are about below 3000. Above 3000, it is also fine. It almost seems like it is not getting enough gas when this happens. Any idea's? Thanks a bunch.
To many possibilities here with out much more information to start
I would go a fuel filter
Then check voltage sweep of Throttle Position sensor
Possible EGR issue ...
Possible throttle body carboned up ...
u should have the fuel pressure checked and or the the tps(throttle position sensor). also have the mps sensor checked also(manifold pressure sensor). also see if the throttle plate is plugged up with carbon build up from exhaust gases.
Thanks for the help guys, but, MAP Sensor good, TPS Sensor good. Interesting note: Did a fuel pressure test and let all the pressure out of the system; immediately after, the car ran fine around the block, then started to do the same thing...
man it just needs a tune up most likely new spark plugs the whole thing thts my bet
Like the other guy said, I would do a tune up. Spark plugs and wires... if that doesn't fix the problems look at your coils.
ya theres no point in spending all the cash for a wole fuel system wen all u need is a tune up but the only tricky thing on these z24 is that there are no wires its juust spark plugs and then the cover so im not to sure how u could change the boots? idk i got a 98 z24 tho lol runs perfect
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