1990 Buick Regal

Tiny
BILLZWILD
  • MEMBER
  • 1990 BUICK REGAL
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 110,000 MILES
Will a MAP sensor keep a 1990 buick regal 3.1 from starting if I have the proper fuel pressure and spark?
Tuesday, March 29th, 2011 AT 4:46 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
A bad MAP sensor can potentially cause all sorts of issues.

1. A rich or lean fuel mixture. You may notice a gas smell even after warm-up and/or pinging at random times or all the time or whenever.
2. Excessive fuel consumption (rich)
3. Rough idle
4. Hesitation

You will especially notice the hesitation off of idle when you first give it gas. The engine may even die if you don't give it enough gas off of idle.
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Tuesday, March 29th, 2011 AT 5:08 AM

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