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2000 Chevrolet Astro 4.3L Misfire, MIL Lamp on
Vehicle has misfire on cylinder 4 & 5, fuel trims reading very high (+50 STFT/+8 LTFT on Bank 2, close to normal on Bank 1). My feeling is that I have an injector clogged on Bank 2. The O2s will go rich if I stab throttle (900mv), but go very lean at idle, and...
FIX posted 7/9/2008
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Message Closed w/FIX
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18 Replies Received
18 Replies Received
Related Documents & Media | VIN | 1GCDM19W4Y |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / CPI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Always |
| Misc. | Utility Van |
Trouble Codes
| 121 | TPS reads Low |
| 300 | Random Misfire |
Message Closed w/FIX
Vehicle Data
2000 Chevrolet Astro
| VIN | 1GCDM19W4Y |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / CPI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Always |
| Misc. | Utility Van |
Trouble Codes
| 121 | TPS reads Low |
| 300 | Random Misfire |
Video