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1991 Ford Explorer XL 4.0L Poor Fuel Economy, Black smoke
Hi techs i have a problem with this explorer, it have black smoke and I don't know what to ckeck I checked the following fuel pressure KOER 30psi with vaccum disconected 40psi, I have remplaced the ect sensor (new aftermarket) and have 0.6V at normal temp, I h...
FIX posted 11/29/2004
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Message Closed w/FIX
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Related Documents & Media | VIN | 1FMDU34X6M |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Emissions | US Fed emissions |
| Symptoms | Poor Fuel Economy, Black Smoke |
| Occurs | Always |
Trouble Codes
| 42 | HEGO sensor circuit indicates system rich |
Message Closed w/FIX
Vehicle Data
1991 Ford Explorer XL
| VIN | 1FMDU34X6M |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Emissions | US Fed emissions |
| Symptoms | Poor Fuel Economy, Black Smoke |
| Occurs | Always |
Trouble Codes
| 42 | HEGO sensor circuit indicates system rich |
Video