missfire ?

[tigg]

ok so my aby has a missfire on number one pot. have swaped over plug,coil and injecter but still not gone, idears

[audinut]

compression check

[tigg]

yeh i should check compression to rule it out,lets hope its not that

[UrS4boy]

Improved POS diagnostics and Fix info

ok so my aby has a missfire on number one pot. have swaped over plug,coil and injecter but still not gone, idears

Read the info in the link below. Try the systematic diagnostic and report back. You should be able to tell us it is a coil or a POS or....

http://forums.quattroworld.com/s4s6/msgs/153152.phtml

[tigg]

yep it was the pos,i changed them over and the missfire moved as per dater so a big thanks for that golden bit of info genious you might say haha any how back on all five now which is great(unless you have a v6 haha)big thanks again your a god :-)