1984 FORD RANGER VACUUM LEAK

  • Tiny
  • joey62
  • 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?

Thursday, September 4th, 2008 AT 7:59 PM

1 Answer

  • Tiny
  • mhpautos
  • Expert
  • 30,501 posts

Hi there,

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

Mark (mhpautos)

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Friday, September 5th, 2008 AT 4:17 AM

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