Help? CEL P0420, P0430
#1
Help? CEL P0420, P0430
Hi Guys,
I have got a problem with CEL P0420, P0430 CATALYST EFFICIENCY BELOW THRESHOLD....reset the ECU but light up again after 100km. FYI- (mods- Gruppe M air ram system, cargarphics headers, cats and mufflers)
HELP! Any idea what causes it and solutions?
I have got a problem with CEL P0420, P0430 CATALYST EFFICIENCY BELOW THRESHOLD....reset the ECU but light up again after 100km. FYI- (mods- Gruppe M air ram system, cargarphics headers, cats and mufflers)
HELP! Any idea what causes it and solutions?
#5
Originally Posted by 997TT HKG
They are 200 cell cats. Possible of a dead cats? I have only done 5000km on the car but 4 track days.
Last edited by HUMMM 3; 05-15-2007 at 08:39 AM.
#7
Originally Posted by C4S Surgeon
May have to contact CG, but I think you're gonna end up taking off one thing at a time to find the culprit. Do the easy stuff first, intake, then headers, ....
GL
GL
Oh, and there's a bit of extra power too
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