Questions & Answers for: replacing the cat

p0422 I have a 1999 new beetle and I am getting dtc code P0422 which oxygen sensor das bank1 referring to one before the cat or after the cat and do i need to replace the cat converter also P0422 does

Check Engine Lights On I have 2000 Toyoto Corolla which has Check Engine Lights On. I had taken to a dealer here in Memphis and they told my CATS are bad n quoted 1600+ to replace So I took it another

...replacing cat converter replace o2 sensors, they go bad and give a false reading that cat efficiency is below threshold ,meaning converter is no good , i would replace o2 sensors and reset engine ...

Catalytic w/airtube replacement w/out airtube? 1989 jeep wrangler laredo 4.2 what will happen if I do not replace stock cat. w/airtube and just replace it with a regular catyl.? nothing really in fact

Replaced cat. convertor at a muffler shop cost about $150.00 and still have code P0420 and now have more codes (C1214 and C1248) and abs light, service engine light and traction light is on. Took to ...

engine light on code reads bad cat replaced it light returns reads ox senors replaced it light returns reads cat gone bad. the ECU (brain) has no idea at ALL what is broken! it only knows 2 things, ...

...cat.) needs replacing. are there 4? before inspection, replaced front 02 sensor, right before the cat. the sensor before the cat is NOT an O2 sensor but a HO2S sensor ( two different sensors with ...

...watch strap. where in South Africa can I find a company that can assist please Cat watch strap needs replacing . Its the Cat N1123. I live in South Africa. Please help Why does your cat need a watch

...cat that needs replacing, or your oxygen sensor after the cat may not be reading well. Erase the code and see if or how long it takes to come back. If it reappears shortly, like 2 weeks, or 50-100 ...