will start and idle ok for a few minutes but has poor acceleration.

1991 JAGUAR XJ6
45,000 MILES
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JOSEPHNOWICKI
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  • 2 POSTS
Starts ok runs a few minutes but pops thru intake at acceleration if i unplug mass air sensor restart runs great for a couple of minutes with plenty of power but will start to act up shortly after thanks for any help!
Oct 2, 2012 at 4:03 AM
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KHLOW2008
  • ✓ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
Seems like the MAF might be the one causing the problem. Try cleaning it with MAF cleaner and retest. Check for trouble codes.
Oct 2, 2012 at 7:37 AM
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JOSEPHNOWICKI
  • MEMBER
  • 2 POSTS
Did clean mass sensor still the same will idle for a while but if hit accelerator bogs and dies out!
Oct 3, 2012 at 11:31 PM
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KHLOW2008
  • ✓ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
Check the fuel pressure.
Have the computer scanned for trouble codes.
Oct 4, 2012 at 12:58 PM
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