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1989 Chevrolet S10 Blazer 4.3L Poor Idle Quality, Intermittent MIL
This blazer has an intermittent rough idle when started cold and sets a code 33 (Map sensor). When warm runs great all powers and grounds check out ok. Coolant sensor and EGR function normaly. Is it possible that the injector could have a small enough leak to ...
Summary posted 5/20/2004
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Related Documents & Media | VIN | 1GKDT13269 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | OBD1 |
| Symptoms | Poor Idle Quality, Intermittent MIL |
| Occurs | Cold, Intermittently |
Trouble Codes
| 33 | Map sensor |
Message Closed w/Summary
Vehicle Data
1989 Chevrolet S10 Blazer
| VIN | 1GKDT13269 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | OBD1 |
| Symptoms | Poor Idle Quality, Intermittent MIL |
| Occurs | Cold, Intermittently |
Trouble Codes
| 33 | Map sensor |
Video