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Check Engine Light Codes P0432/P0422 ?
On my 2001 E320 AWD wagon [94K] I'm getting these 2 codes only:
P0422 - Main Catalyst Efficiency Below Threshold (Bank 1) P0432 Main Catalyst Efficiency Below Threshold (Bank 2) I've cleared the codes often and within 15 restarts they reappear again with the CEL staying on till I clear it again. Work recently done: new battery new Bosch spark plugs +2 New air filter Cleaning of the MAF with CNC cleaner High test gas only Wagon runs strong with no hesitation at all but the CEL reappears with the same messages: P0422 P0432 Help with any suggestions at this time! |
Not good codes to get!!! very $$$..
Emission warranty covers them for 8yr/80K miles. are you BELOW that mileage? |
Milage is at 94K--out of warranty---could it be forward oxygen sensors the problem--there's no noise coming from the cats--anything else to check---LMK--thanks
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