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1996 Chevrolet Express Van Base 1500 135 WB

1996 Chevrolet Express Van
Trim Info:
Rear Wheel Drive, 1500 135" WB
15 mpg city / 19 mpg hwy
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May 24, 2012, 11:40 am

Steve E
 

Question: i have tryed everything still have a popping in manifold almost like a flat cam but not

help 5.7 vortec have a timeing issue


May 29, 2012, 10:58 pm

Richard W
Expert Mechanic

Check your fuel pressure and volume. If the popping still happens you have a sticking valve.


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