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1997 Chevrolet C1500 4.3L Detonation
Posted to GM Driveability on 7/7/2002 13 Replies

Personal vehicle... After warmed up to operating temp, I am getting intermittent (but consistant) detonation under light to heavy loads at any speed. More noticible at WOT around 4000 rpm and cruising speeds about [...] rpm. Performed cylinder clean method to ...

13 Replies Received (View Replies)

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car Vehicle Data

1997 Chevrolet C1500

VIN 1GCEC14WXV
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CSFI
EmissionsOBD-II Compliant
SymptomsDetonation
OccursHot, Under Load, on Accel, Cruise, Intermittently, at Operating Temp
Message Closed w/FIX

car Vehicle Data

1997 Chevrolet C1500

VIN 1GCEC14WXV
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CSFI
EmissionsOBD-II Compliant
SymptomsDetonation
OccursHot, Under Load, on Accel, Cruise, Intermittently, at Operating Temp