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1997 GMC K1500 Sierra SL 5.7L Cuts out, Stall, Misfire, backfire through exh
Posted to GM Driveability on 8/30/2004 16 Replies

This one only gives us 20 minutes or less to diag. It will straighten up & run well after a 10 min run and only after It has set overnight. If it sits all day it is ok. Only an overnight sit will the symptoms occur as follows: When taking off it will backfire ...

16 Replies Received (View Replies)

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Message Closed w/FIX

car Vehicle Data

1997 GMC K1500 Sierra SL

VIN 1GTEK19R2V
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsCuts Out, Stall, Misfire, Backfire Through Exh
OccursCold
Message Closed w/FIX

car Vehicle Data

1997 GMC K1500 Sierra SL

VIN 1GTEK19R2V
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsCuts Out, Stall, Misfire, Backfire Through Exh
OccursCold