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[SP_3.2]

Just had a run out to drop something off to Mark on the way back when i stopped at some lights it seemed a if the car was idering a bit low as if it was about to cut out be it did,nt.

When outside the car sounds of if it is chugging and there is a diff sound that normal from the backbox...almost as if its not fireing as it shoud
Car is not in limp mode and no greabox message ....can anyone help a point me where to start. .

Thanks

Steve.

[Entwood]

Check the gas flow from the rear box ... you might have a silencer starting to breakup .. this will give "horse hair" like wire-wool out of the box .. and causes restrictions to the gas flow ....

This happend to the old miggy ... new exhaust soon sorted it ..

Checked by taking the back box off and suddenley the car ran properly again ..

[JamesV6CDX]

Low on fuel?
Misfire? Any codes stored or EML on?

[JamesV6CDX]

Did you ever get the oil cooler sorted?

[VXL V6]

Plugs? Dispack?

[SP_3.2]

Hi yes thanks Oill cooler all done car just had MOT and was fine on emmsions.  Full tank of fuel  seems to give a bit of a judder when picking up speed. No new lights  have not checked for codes....Need to use the pedal trick but have frogoten how it is done .

Thanks for the tip about Silencers will give them a check.

Anything other to look for.....Was thinking Crank sensor but not sure if that would give these probs .

Thanks

[feeutfo]

Worth a pedal trick Steve, see if any codes stored and post em up. link below, paper clip dont work on yours.

You have a new cat back exhaust iirc?  HTHhttp://www.omegaowners.com/forum/YaBB.pl?num=1189022687

[VXL V6]

Steve, as yours has a new silencer I very much doubt that it's suffering the GM silencer issue message.

Pedal trick is brake and throttle to the floor and turn ignition to II, DO NOT START IT! Then count the flashes

Also check that fuel pipe......  you know the one!

[SP_3.2]

Was thinking plugs had them done last year which would have been about 20 k ago. This was before having rockers done afew weeks ago/  

[SP_3.2]

Thanks will check now and post back/

[VXL V6]

Just edited my post above... Check the fuel pipe that you've had problems with before.

[feeutfo]

Was thinking plugs had them done last year which would have been about 20 k ago. This was before having rockers done afew weeks ago/  

if its missfireing pedal trick will tell you. 0300 random missfire 0301 missfire cylinder 1 and so on. iirc. 10 flashes equals zero.

[SP_3.2]

Just had a check not sure if this will make sence

10 4 2 10

10 4 3 10

10 2 10 ?

10 3 10 ?

10 3 10 4

May have missed somethink so will check aging .

Thanks VX will check that in the morrn

[VXL V6]

OK So we know what the 0420 and 0430 are all about!

0304 is cylinder 4 missfire detected

[feeutfo]

Just had a check not sure if this will make sence

10 4 2 10

10 4 3 10

10 2 10 ?

10 3 10 ?

10 3 10 4

May have missed somethink so will check aging .

Thanks VX will check that in the morrn

Both pre acts(ignore, normal on your car) and missfire on no 4 pot. Bet the others are missfire codes as well, pots 2 and 6 perhaps?... All codes should be 4 digits. Could be coil pack or oil in plug wells.