2005 Ford Fiesta missfiring

Tiny
CRAIGMCGLEISH
  • MEMBER
  • 2005 FORD FIESTA
  • 4 CYL
  • 2WD
  • MANUAL
  • 42,000 MILES
Hi I have a missfire on cylinders 1 and 4 only when the cars temp is cold but if I push the accelerator slightly whilst engine is still cold all 4 cylinders fire I have fitted new coil pack plugs and leads not sure what is wrong with the car to do this cany you help?
Wednesday, April 1st, 2009 AT 4:58 AM

3 Replies

Tiny
DAVE H
  • MECHANIC
  • 13,384 POSTS
Check, clean or replace the CKP (crankshaft position sensor) ... and check the wiring is not damaged !!


https://www.2carpros.com/forum/automotive_pictures/266999_AAA2_411.png

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Wednesday, April 1st, 2009 AT 5:16 AM
Tiny
CRAIGMCGLEISH
  • MEMBER
  • 2 POSTS
Thanks will give this a go is there anything else it could be ford are telling me that it sounds although I need a new pcm but I am not happy at that answer as engine is fine when warm and running ok thanks
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Wednesday, April 1st, 2009 AT 4:22 PM
Tiny
DAVE H
  • MECHANIC
  • 13,384 POSTS
If you brought your vehicle into my garage with the symptoms your describing, the first thing I would be checking after the coils is the CKP ... It produce's these symptoms when dirty or worn ! have a look at this first and repost with the result's and we will take it from there !!

hope this helps .. let me know


https://www.2carpros.com/forum/automotive_pictures/266999_AAA2_419.png

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Wednesday, April 1st, 2009 AT 4:57 PM

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