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1986 Ford Thunderbird 3.8L Excessive Emissions
hello ford techs . i have this old ford thunderbird that is failing emissions for nox limit 921 actual 2090 . found evp code 31 out of range . replaced evp sensor . still not working found low vacuum to egr valve . only getting 2 in hg . vehicle has a vacuum r...
Summary posted 7/27/2007
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Related Documents & Media | VIN | 1FABP4639G |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | Excessive Emissions |
| Occurs | Under Load |
Trouble Codes
| 31 | evp out of range |
Message Closed w/Summary
Vehicle Data
1986 Ford Thunderbird
| VIN | 1FABP4639G |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | Excessive Emissions |
| Occurs | Under Load |
Trouble Codes
| 31 | evp out of range |
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