Mechanics

VACUUM LEAK

1984 Ford Ranger

Noises problem
1984 Ford Ranger 6 cyl Four Wheel Drive Manual 129000 miles

I know that I have a vacuum leak that seems to be coming from my Brake Booster, but my question is: " Can a leak like this cause me to fail a smog test?
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Joey62
September 4, 2008.




Hi there,

this is possible, as the ECU will be trying to compensate for incorrect MAP sensor readings.

Mark (mhpautos)

Mhpautos
Sep 5, 2008.


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