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

Tiny
JOSEPHNOWICKI
  • 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!

Do you
have the same problem?
Yes
No
Tuesday, October 2nd, 2012 AT 4:03 AM

3 Replies

Tiny
KHLOW2008
  • EXPERT
  • 41,974 POSTS

Seems like the MAF might be the one causing the problem. Try cleaning it with MAF cleaner and retest. Check for trouble codes.

Was this
answer
helpful?
Yes
No
Tuesday, October 2nd, 2012 AT 7:37 AM
Tiny
JOSEPHNOWICKI
  • MEMBER

Did clean mass sensor still the same will idle for a while but if hit accelerator bogs and dies out!

Was this
answer
helpful?
Yes
No
Wednesday, October 3rd, 2012 AT 11:31 PM
Tiny
KHLOW2008
  • EXPERT
  • 41,974 POSTS

Check the fuel pressure.
Have the computer scanned for trouble codes.

Was this
answer
helpful?
Yes
No
Thursday, October 4th, 2012 AT 12:58 PM

Please login or register to post a reply.

Other Engine Low Power Questions