View Full Version : fault code
edgeyt5
Sunday 31st October 2010, 14:54
hi all
got check engine light on diagnostic code p0422 any help says something to do with cat bank 1
roy
A.J
Sunday 31st October 2010, 16:24
po422 (threewat cat converter efficiency)
possible causes are missfires/ leak in intake system/ leak in exhaust system/ faultyfuel pressure/defective cat.
you should begin with leaks first
edgeyt5
Sunday 31st October 2010, 16:46
hi thanks for the reply
i do have a leak at the flange after cat to catback this is gettin fixed no other leaks that i no off
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