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1991 Chevrolet V1500 Suburban Scottsdale 5.7L Poor Idle Quality, MIL Lamp on
This one has been stumping us for quite some time. It came in originally 9 months ago with the check engine light on. Snappy-Scanner showed Code 42-EST Timing Ciruit. Did all the tests using the GM tree from All-Data. After all tests were completed, replaced C...
FIX posted 5/31/2002
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Message Closed w/FIX
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7 Replies Received
7 Replies Received
Related Documents & Media | VIN | 1GBEV16K9M |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | US Federal Emissions |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Hot, Intermittently |
Trouble Codes
| 42 | Electronic Spark Timing |
Message Closed w/FIX
Vehicle Data
1991 Chevrolet V1500 Suburban Scottsdale
| VIN | 1GBEV16K9M |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | US Federal Emissions |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Hot, Intermittently |
Trouble Codes
| 42 | Electronic Spark Timing |
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