Posted by Mark CarterMark Carter
on June 30, 2010, 7:44 pm, in reply to "Re: Citroen Saxo 1.1 HFX 2001 - Surging & fuel trim issue, codes P0420, P0172 & P0134 #"
Hi Lee, there should be a good thread on the subject of fuel trims in the archives which should help you work out what is going on.
If it raises more questions than it answers then please post and I will try to help. HTH
Regards mark
Modern cars, Its all wizardry and witchcraft
