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1991 Chevrolet C1500 454 SS 7.4L Surge, Cuts out, MIL Lamp on
Vehicle presented with surge at cruise. Noted TCC was commanded on and off. Traced wiring-ok. No DTC's in PCM. Scoped TPS, MAP, and O2. Ck'd fuel [...] KOEO. Replaced TPS and pressure regulator. Problem still present, so ordered up PCM. Replaced PCM, transferr...
FIX posted 5/7/2005
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Message Closed w/FIX
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6 Replies Received
6 Replies Received
Related Documents & Media | VIN | 1GCDC14N9M |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / TBI |
| Emissions | Federal |
| Symptoms | Surge, Cuts Out, MIL Lamp On |
| Occurs | Always, Under Load, on Accel |
| Misc. | Aftermkt Prom |
Trouble Codes
| 45 | Exhaust Rich |
Message Closed w/FIX
Vehicle Data
1991 Chevrolet C1500 454 SS
| VIN | 1GCDC14N9M |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / TBI |
| Emissions | Federal |
| Symptoms | Surge, Cuts Out, MIL Lamp On |
| Occurs | Always, Under Load, on Accel |
| Misc. | Aftermkt Prom |
Trouble Codes
| 45 | Exhaust Rich |
Video