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1993 GMC K1500 Sierra SLE 5.7L Hesitation, Surge, Misfire
HELLO TECHS, WHAT WOULD CAUSE THE ECM TO COMMAND 100% egr flow when only slightly raising the idle with truck sitting in [...] you can imagine,the engine runs like junk when egr goes full bore at a low rpm. I replaced the ecm only after testing egr valve,check...
FIX posted 5/4/2001
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| VIN | 2GTEK19K8P |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / TBI |
| Emissions | 4L60E |
| Symptoms | Hesitation, Surge, Misfire |
| Occurs | Always |
| Misc. | Msd High Energy Coil |
Message Closed w/FIX
Vehicle Data
1993 GMC K1500 Sierra SLE
| VIN | 2GTEK19K8P |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / TBI |
| Emissions | 4L60E |
| Symptoms | Hesitation, Surge, Misfire |
| Occurs | Always |
| Misc. | Msd High Energy Coil |
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