1985 FORD SIERRA
30,000 MILES
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ANONYMOUS
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  • 1 POST
performance is poor its not timming compression or carb please help car is very much under power
Apr 4, 2013 at 9:52 AM
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ASEMASTER6371
  • CAR REPAIR CONTRIBUTOR
  • 52,796 POSTS
check fuel pressure and the back pressure from the cat converter. Since you have ruled out the three major components that make up engine performance, there simply isnt much left to look at.

Here's a couple guides to read, they will help you figure it out

https://www.2carpros.com/articles/engine-has-low-power-output

https://www.2carpros.com/articles/symptoms-of-low-engine-power


Roy
Apr 4, 2013 at 9:53 AM
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