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1988 Chevrolet K1500 Cheyenne 5.7L Excessive Emissions, Hesitation, Stall, MIL Lamp on
vehicle came in with new fuel pump and filter. customer complaining of stall and mil light on. i checked codes and found 33 and 45 perseeded to check code 33 map sensor reads good applied manual vaccum gauge to map sensor to make sure ok readings good. hoo...
FIX posted 1/26/1999
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Related Documents & Media 
| VIN | 2GCDK14K9J |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | FED |
| Symptoms | Excessive Emissions, Hesitation, Stall, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 33 | map/maf sensor error |
| 45 | 02 sensor rich |
Message Closed w/FIX
Vehicle Data
1988 Chevrolet K1500 Cheyenne
| VIN | 2GCDK14K9J |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | FED |
| Symptoms | Excessive Emissions, Hesitation, Stall, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 33 | map/maf sensor error |
| 45 | 02 sensor rich |
Video