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1992 Ford Mustang Miss

Tiny
GCWARE
  • MEMBER
  • 1992 FORD MUSTANG
  • 4 CYL
  • 2WD
  • MANUAL
  • 80,000 MILES
I recently replaced a cracked head with a rebuilt one. The engine runs great until full operating temperature is reached. At that point it has a slight miss at rpms below about 1800. I realize this could be several things, but what should I look for and in what order?
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Monday, August 11th, 2008 AT 3:30 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
Hi there,

the first think I would do is a leak down test on the engine cold you may have a faulty valve seat that is leaking cold and sealing when warm.

Mark (mhpautos)
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Tuesday, August 12th, 2008 AT 5:26 AM

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