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1992 Chevrolet Astro 4.3L ping
Posted to GM Driveability on 11/4/2005 12 Replies

truck will ping on acceleration,tested fuel pump amp wave 4 amp but flat pattern,checked fuel pressure,11psi at idle and under load,pressure drops to 0 after 4 seconds of shutdown? have tested egr system and replaced faulty egr valve,replaced dist cap and roto...

12 Replies Received (View Replies)

  Related Documents & Media  1992 Chevrolet Astro

 
Message Closed w/FIX

car Vehicle Data

1992 Chevrolet Astro

VIN 1GCCM15ZXN
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
Emissionsfed
SymptomsPing
OccursUnder Load, on Accel
Misc.Ping
Message Closed w/FIX

car Vehicle Data

1992 Chevrolet Astro

VIN 1GCCM15ZXN
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
Emissionsfed
SymptomsPing
OccursUnder Load, on Accel
Misc.Ping