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truck hesitates, coughs and sputters...looses power


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alex1954
Novice

Sep 12, 2014, 12:37 PM

Post #1 of 2 (1083 views)
truck hesitates, coughs and sputters...looses power Sign In

my '96 chev half ton runs and revs fine in neutral but in gear it hesitates, coughs and sputters with lack of power...acts like it wants to go but something is holding it back...any suggestions...


kev2
Veteran
kev2 profile image

Sep 12, 2014, 2:05 PM

Post #2 of 2 (1066 views)
Re: truck hesitates, coughs and sputters...looses power Sign In

scan for codes- even if the CEL is off.
Do a exhaust backpressure test - a engine vacuum reading can be used.
Always with fuel injection- fuel pressure test-
Tell us any modifications recent work etc.






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