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1989 GMC G3500 Vandura 5.7L MIL Lamp on, LACK OF POWER
Hello. Thanks for any help in advance. Customer complaint: lack of power. Checked codes and found one code: Code 42 EST problem. Went through the diagnostic tree and came up with a faulty PCM. Replaced PCM and code and problem still there. Double checked my di...
FIX posted 2/2/2005
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Message Closed w/FIX
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Related Documents & Media | VIN | 2GDHG31K2K |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | OBD1 |
| Symptoms | MIL Lamp on, Lack of Power |
| Occurs | Always |
Trouble Codes
| 42 | Electronic Spark Timing problem |
Message Closed w/FIX
Vehicle Data
1989 GMC G3500 Vandura
| VIN | 2GDHG31K2K |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | OBD1 |
| Symptoms | MIL Lamp on, Lack of Power |
| Occurs | Always |
Trouble Codes
| 42 | Electronic Spark Timing problem |
Video