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rough running

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jgrubs1
New User

Dec 16, 2009, 3:14 AM

Post #1 of 3 (2977 views)
rough running Sign In
i have a 93 chevy cavalier 2.2l phv mpfi. the car was surging whlie driving down the roadon an off.
also the car had a rough idle while in gear.i changed spark plugs wires to no avail. they looked ok'
i the changed the tpi sensor ,took a quart of oil out of transmission and added a quart of transmission
fix. this seemed to take care of the surging problem but when i come to a stop light or sign i have to put
in nutralor the engine runs very rough.hope someone has any ideasCrazy


steve01832
Veteran
steve01832 profile image

Dec 16, 2009, 4:23 AM

Post #2 of 3 (2970 views)
Re: rough running Sign In
You should install a fuel pressure guage, and check for spark at all cylinders with a spark tester. These engines had coil and module problems.

Steve


jason32038
User

Dec 28, 2009, 2:47 AM

Post #3 of 3 (2936 views)
Re: rough running Sign In
If you have an automatic tranny...check your torque converter to flywheel bolts.





 
 
 






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