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LeeM

 posted on 5th Aug 10 at 10:58

It's a 2002 1.2 16v


stan_the_man

 posted on 5th Aug 10 at 10:29

Depending on the age of the car, it may be an ECU on the back of the throttlebody if i remember right. Very guilty of going.


leon.

 posted on 5th Aug 10 at 10:18

i've known a few puntos needing a new coilpack.

I dont think the 02 sensor will cause your miss fire could be wrong but i think its 2 different problems


LeeM

 posted on 5th Aug 10 at 10:00

Oh I was also thinking that with it having the misfire specifically on one cylinder as well it could be the coil pack at fault?


LeeM

 posted on 5th Aug 10 at 07:54

Mates car, diagnostic is showing error codes random/multiple cylinder misfire, cylinder 1 misfire and oxygen sensor b1-s2.

Who thinks I can change the pre cat lambda and that'll fix it?