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1991 GMC Sonoma SLE 2.8L Hesitation, Surge, spark knock/pinging
The original 2.8 V6 was replaced with the 3.4 V6 with no mechanical problems and installation went smoothly. Now when driving the vehicle a hesitation and severe spark knock/ping became noticable at 2500 rpm. All sensors were replaced/swapped and automotive sh...
Summary posted 6/13/2002
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Related Documents & Media | VIN | 1GTCS14RXM |
| Engine | 2.8 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / Throttle body |
| Symptoms | Hesitation, Surge, Spark Knock/Pinging |
| Occurs | Cold, Hot, on Accel |
Message Closed w/Summary
Vehicle Data
1991 GMC Sonoma SLE
| VIN | 1GTCS14RXM |
| Engine | 2.8 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / Throttle body |
| Symptoms | Hesitation, Surge, Spark Knock/Pinging |
| Occurs | Cold, Hot, on Accel |
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