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1994 Chevrolet S10 2.2L Excessive Emissions, MIL Lamp on
This truck came in from test only station after failing for high nox at both 15 and 25 asm test. Also failed for mil on. Had code 21 low tps voltage. Scanner showed 0.00 tps. Checked tps connector. Had 5volt ref on white wire,pcm neg checked ok. Blue wire sign...
FIX posted 11/25/2001
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Message Closed w/FIX
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9 Replies Received
9 Replies Received
Related Documents & Media | VIN | [No VIN Available] |
| Engine | 2.2 L / 4 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / MPI |
| Emissions | Ca Emissions OBD1 |
| Symptoms | Excessive Emissions, MIL Lamp On |
| Occurs | Always |
| Misc. | 2WD |
Trouble Codes
| 21 | TPS voltage low |
Message Closed w/FIX
Vehicle Data
1994 Chevrolet S10
| VIN | [No VIN Available] |
| Engine | 2.2 L / 4 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / MPI |
| Emissions | Ca Emissions OBD1 |
| Symptoms | Excessive Emissions, MIL Lamp On |
| Occurs | Always |
| Misc. | 2WD |
Trouble Codes
| 21 | TPS voltage low |
Video