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1997 Chevrolet C1500 5.7L Pinging
Posted to GM Driveability on 10/7/2004 29 Replies

We have this vortec 350 that came in for a pinging complaint , Customer has installed a new EGR , knock sensor and full tune up . No codes in the system , data stream revealed nothing out of the ordinary , fuel trim is 128 , O2 sensors tested good , fuel press...

FIX posted 11/5/2004

29 Replies Received (View Replies)

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car Vehicle Data

1997 Chevrolet C1500

VIN 2TEK19R9U1
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SFI
EmissionsOBD-II Compliant
SymptomsPinging
OccursUnder Load