Questions & Answers for: code ho2

Three trouble codes First Code PO421 warm up catalyst below threshold bank 1. Second Code P1173 no DTC definition found. Third Code PO174 system to lean bank 2. Trouble Code: P0421 Catalyst Efficiency

I have a 2002 Kia Sedona that is gettting codes P0421, P0431 consistently and P0456 rarely. Can one determine if the cc's are working by the exhaust smell? I have had the threshold codes since I b

scan code p0431 what parts do you need to replace Trouble Code: P0431Warmup Catalyst Efficiency Low (Bank 2)Possible Causes:Air leaks at the exhaust manifold or in the exhaust pipes. Catalytic ...

P0420 Code on my 97 Pathfinder ...looses Horsepower at 3200 Rpm I was told by the previous owner that the Cat. was replaced 1 year ago...Help!! LOL Trouble Code: P0420Catalyst Efficiency Below Normal

HOW TO FIX code P0422 Trouble Code: P0422Catalyst Efficiency Below Normal (Bank 1) Possible Causes: Air leaks at the exhaust manifold or in the exhaust pipes.Catalytic converter is damaged or has ...

code p0420 catalyst system low efficiency bank 1 Just did the P0430,so here's the P0420 trouble code.Trouble Code: P0420Catalyst System Bank 1 Low Efficiency Possible Causes: Air leaks at the exhaust ...

will not start p2045 p2197 p0190 p2247 p2245 p2248 p2249 p2518 comes up code p2045 refers to reductant temperature sensor--high input==causes --wiring faulty sensor code p2197 refers to heated oxygen ...

...and solution of 00635, 00525 the car display this 00635, 00525. what is the meaning of the fault code and solution to it. (1997 volkswagen golf 3). code 00635 refers to heated oxygen sensor (HO2S) ...

where is the location of the oxygen sensor and heated oxygen sensor of kia rio 2004? i have error code P0038 and P0136 on my car. also, what can i do to fix it? please help. Thanks a lot and God bless

...fine,sputters while driving. Doesnt lose much power while driving once your up to speed. Scanner code came up as 02 sensor. No check engine light on there are about a dozen O2 sensor codes. Tell