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1987 Chevrolet R10 Scottsdale 5.7L Excessive Emissions
Replaced o2 sensor, same problem, no closed loop operation. cut 02 sensor wire at ecm & ck. with vantage. 02 sensor working fine. Ck. voltage at ecm 02 sensor terminal with wire cut & found it is aprox. 1.4-1.5 volts. It should be about .5 volts. Replaced ecm,...
FIX posted 2/23/2004
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GCER14K2H |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | US FED |
| Symptoms | Excessive Emissions |
| Occurs | Always |
Trouble Codes
| 13 | O2 sensor open short |
Message Closed w/FIX
Vehicle Data
1987 Chevrolet R10 Scottsdale
| VIN | 1GCER14K2H |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | US FED |
| Symptoms | Excessive Emissions |
| Occurs | Always |
Trouble Codes
| 13 | O2 sensor open short |
Video