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[mark anthony]

hi all just got my v6 omega started but when it gets to normal running temp it starts missing and big lose of power and back fireing in exust on drivers side its ok when its cold could this be the lambda how can i check it please help
thanks mark

[Brikhead]

Any engine fault lights on?

[Brikhead]

Any engine fault lights on?
I doubt the lambda sensor would cause that...

[mark anthony]

the manegment light comes on if i hit 30 and it starts missing and goes out when i take foot of gas i hope its not the cat

[Welung666]

Paperclip it and report back with any codes. Instructions below

[mark anthony]

i took it garage it did not register  on the machine done the paper clip nothing  i have changed leads plugs fuel pump and filter im lost

[Andy H]

Right, take a deep breath and start from the beginning.

Update your personal profile so that it displays the year and model of your car (so we don't keep asking the same questions).

Are you saying that the paperclip test didn't work at all? or that it worked and there were no fault codes?

[mark anthony]

nothing lit up its a 2.5 auto n reg estate hope this will help

thanks mark

[Welung666]

nothing lit up its a 2.5 auto n reg estate hope this will help

thanks mark

Right, a quick question...

Does the engine management light come on when you switch the ignition on?

[mark anthony]

yes but goes out

[Welung666]

yes but goes out

In that case you did the paperclip test wrong. Even if no faults were stored it would still flash 12 and possibly 31. Watch the video and have another go

[mark anthony]

i have done test again i dont uderstand how to work out the codes sorry its flashes 3- 3-3 then 10-10-10

[Kneepad]

i have done test again i dont uderstand how to work out the codes sorry its flashes 3- 3-3 then 10-10-10

Follow the link and watch the video. Then post up the codes.
http://images.omegaowners.com/images/guides/paperclip_test/paperclip.html