
1992 Chevrolet Astro 4.3L ping
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...
FIX posted 11/9/2005
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Message Closed w/FIX
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VIN | 1GCCM15ZXN |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / tbi |
Emissions | fed |
Symptoms | Ping |
Occurs | Under Load, on Accel |
Misc. | Ping |
Message Closed w/FIX
Vehicle Data
1992 Chevrolet Astro
VIN | 1GCCM15ZXN |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / tbi |
Emissions | fed |
Symptoms | Ping |
Occurs | Under Load, on Accel |
Misc. | Ping |