1989 Mercury Cougar Got 3 8 Sc Runnin Real Hard Sudden Just Lost Power Gaining

1989 MERCURY COUGAR
152 MILES
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XR7TBIRDSC
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  • 1 POST
I got a 3.8 sc i was runnin it real hard and all the sudden it just lost its power and gaining speed slows while punched so i know its not holding compression and there was a little bit of anti freeze on water pump it was smoking a little just oil from old valve cover leak but it was just hot just pass norm so not over heating but it wont start unless i gas while starting advice please
Oct 20, 2012 at 6:10 AM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
check fuel pressure.

check cat converter for back pressure.

my bet is the cat being clogged not letting the engine breathe

Roy
Oct 20, 2012 at 9:44 PM
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