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1991 Chevrolet astro 4.3L Pinging
This thing pings under a load light or heavy like no tomorrow the timing factory spec is 0 it is set 1 atdc, the plugs have been changed twice in 400 km, It sounds like a malfunctiuoning egr system bu8t it checks and operates ok the egr passages are not plugge...
FIX posted 7/19/1998
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Message Closed w/FIX
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| VIN | 1GNDM15Z28 |
| Engine | 4.3 L / 6 cyl |
| Symptoms | Pinging |
| Occurs | Always, Hot, Under Load, on Accel, Cruise |
Message Closed w/FIX
Vehicle Data
1991 Chevrolet astro
| VIN | 1GNDM15Z28 |
| Engine | 4.3 L / 6 cyl |
| Symptoms | Pinging |
| Occurs | Always, Hot, Under Load, on Accel, Cruise |
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