CAR RUNS BETTER WITH THE MAF DISCONNECTED.

1993 Mercury Villager

Tiny

ruddfan2

September, 5, 2011 AT 4:29 PM

Car ildes low and blows black smoke with maf sensor connected. With maf disconnected car runs better. I tried a new maf sensor and the same thing happens?

FOUND 1618 RELATED QUESTIONS

1 Answer

Tiny

rasmataz

September, 5, 2011 AT 4:41 PM

Refer to this link for more information on black smoke/running rich

1. Excessive fuel pressure can be cause by restricted fuel return line
2. Defective Oxygen Sensors.
3. Leaking injectors and fuel pressure regulator.
4. Coolant temperature sensor out of calibration.
5. Restricted air intake system.

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