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1994 Chevrolet K1500 Cheyenne 6.5L Input Speed Sensor Circuit
Does anyone have a diagnostic chart for Code 74 and/or wiring diagram? Can Transmission input sensor be changed while transmission is in vehicle?, If so, what is the procedure? I think the input sensor is bad, due to the RPM readings fluctuating and also the C...
FIX posted 7/19/2000
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| VIN | 1GCEK19S2R |
| Engine | 6.5 L / 8 cyl / DIESEL |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Affected | Input Speed Sensor Circuit |
| Conditions | Code 74 Goes in Limp Mode, Stays in 2nd Gear |
| Misc. | Turbo Diesel |
Message Closed w/FIX
Vehicle Data
1994 Chevrolet K1500 Cheyenne
| VIN | 1GCEK19S2R |
| Engine | 6.5 L / 8 cyl / DIESEL |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Affected | Input Speed Sensor Circuit |
| Conditions | Code 74 Goes in Limp Mode, Stays in 2nd Gear |
| Misc. | Turbo Diesel |
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