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1995 Chevrolet K2500 Cheyenne 5.7L Pinging
engine pings under load at running temp scan tool data when engine pings ks activity yes knock retard 5-8 degrees egr d/s 100% i know this has a negative back pressure egr valve customer stated he gutted the converter could this cause this problem.
FIX posted 2/28/2008
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Message Closed w/FIX
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19 Replies Received
19 Replies Received
Related Documents & Media | VIN | 1GCFK29K5S |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | Not OBD-II Compliant |
| Symptoms | Pinging |
| Occurs | Under Load |
Message Closed w/FIX
Vehicle Data
1995 Chevrolet K2500 Cheyenne
| VIN | 1GCFK29K5S |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | Not OBD-II Compliant |
| Symptoms | Pinging |
| Occurs | Under Load |
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