1999 Other Fiat Models engine misfire

1999 FIAT
82,000 MILES • 4 CYL • FWD • MANUAL
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MSBACTIVES
  • MEMBER
  • 1 POST
hi there, just replaced head gasket on my fiat punto,
pior to that the engine was miss fireing, however after warm up say 2 miles ok. replaced plug leads, now when i start up ok run upto 3 miles when temp reachednormal engine starts miss fire on one or more plugs. sounds like to much fuel ?. is there a fuel sensor do i need to replace the sensor or ecu and if so where do i locate it, and the engine does not overheat please can you help as i am stuck, manythanks regards margaret
May 20, 2008 at 1:12 AM
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DAVE H
  • ASE Certified Mechanic
  • 13,384 POSTS
  • ASE Certified Mechanic
check for correct fuel pressure
Nov 8, 2009 at 5:20 AM
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