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

Tiny
JOSEPHNOWICKI
  • MEMBER
  • 1991 JAGUAR XJ6
  • 45,000 MILES
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!
Tuesday, October 2nd, 2012 AT 4:03 AM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Seems like the MAF might be the one causing the problem. Try cleaning it with MAF cleaner and retest. Check for trouble codes.
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Tuesday, October 2nd, 2012 AT 7:37 AM
Tiny
JOSEPHNOWICKI
  • MEMBER
  • 2 POSTS
Did clean mass sensor still the same will idle for a while but if hit accelerator bogs and dies out!
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Wednesday, October 3rd, 2012 AT 11:31 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Check the fuel pressure.
Have the computer scanned for trouble codes.
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Thursday, October 4th, 2012 AT 12:58 PM

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