shutting off after i fire it up

1996 MERCURY COUGAR
140,000 MILES
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DONTRELL
  • MEMBER
  • 1 POST
My 1996 mercury cougar xr7 is shutting off after i fire it up. it starts up and then idles down. Whats causing this to happen? i gap the spark plugs i sealed the intake manifold and the fuel injector gasket.






Jul 30, 2012 at 10:46 PM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
scan for codes, check fuel pressure, clean throttle plate on both sides with choke cleaner, an dcheck for vacuum leaks.
Jul 30, 2012 at 11:00 PM
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