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1993 Mercury Marquis Dies on me.

Tiny
STERLINGD
  • MEMBER
  • 1993 MERCURY MARQUIS
1993 Mercury Marquis

My car wasn't staying idle unless I gave it gas, and when I did give it gas it sounded horrible. I unplugged the mass air flow sensor and it would run (not great, it would take a little time to pick up speed). I bought a new mass air flow sensor and installed it. Now it will only idle, and if I give it gas it sounds horrible and then dies. What could be causing this problem?
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Sunday, April 4th, 2010 AT 1:18 PM

2 Replies

Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
I would check the idle air control. Valve, and clean the throttle body.
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Sunday, April 4th, 2010 AT 2:05 PM
Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
https://www.2carpros.com/how_to/how_to_check_fuel_pressure.htm
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Sunday, April 4th, 2010 AT 2:06 PM

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