1984 Ford Ranger Vacuum Leak

1984 FORD RANGER
129,000 MILES • 6 CYL • 4WD • MANUAL
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JOEY62
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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?
Sep 4, 2008 at 7:59 PM
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MHPAUTOS
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Hi there,

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

Mark (mhpautos)
Sep 5, 2008 at 4:17 AM