Join Date: May 2015
Location: Henlow, Bedfordshire
Think I've solved my misfire issue...but can someone confirm?
I've had issues with my MCSF light coming on. Mostly it kept flagging up P0300 misfire generic and P0302 C2 misfire, today it also flagged P0303 C3 misfire. I thought I may have had coil issues as the light always came on when warm.
Today I decided to check my lambda readings, so I whacked it on Multi and had a shufty. Pre-cat readings seemed normal. My post-cat readings were:
1 signal: 0.46V
2 signal: V (my first clue)
1 status: open loop
2 status: open loop
I thought the lack of a lambda 2 reading was odd, so I tried to manually activate them. 1 activated fine, but on number 2 the operation failed.
My conclusion is post-cat lambda sensor 2 is knackered.
Can anyone back me up on that? Or am I missing something?
It's a 2004 147 2L twinny.
2004 147 2.0L TS
Bought a 147, now I want an 8C