2004 Ford Fusion "cat" Questions

does a Catalytic converter effect idle and emissions? yes it does effect emissions and the decisions from o2 sensors are relayed to the computer which can change idle the CAT is 100% for emissions and

HOw many oxygen sensors does a Fusion has? there should be 2 pre cat and 2 post cat.

fault code po420 ; is problem sensors or is it the cat conv 2003 ford ka 1600 sport, mil light has come on, checked for fault on code reader po420 displayed; (catalyst system efficiency below threhold

...off or a leaf blower. What can it be? LOOK OVER YOUR EXAUST SYSTEM.PROB HAS A HOLE BEFORE OF AFTER CAT

Engine fault indicator comes on but CAT has been replaced If a Converter has to be replaced, in less than 12 years,you got issues,that should have been diagnosed and repaired first. Why didn't you ...

...put a new coil pack on my motor and now I keep getting a fault code up. The code is P0420, lambada/cat u/s. Took it for a big burn out and reset the codes, is it possible that the misfire just ...

Computer error code P0420 Catalyst Efficiency below normal ()Bank 1) Can it be flush out, how can you tell if the converter needs replacing. No, you cannot flush one. No maintenance is possible. When ...

2009 honda civic xl failed smock test catalyst not ready run fault codes and check for O2 sensor problems ( ones after the cat converter) check replace the cat converter/s I don't have a complete ...

how many o2 sensore are on the 99 bravado? I replaced the o2 sensor before the cat converter, now code says bank one( before cat.) needs replacing. are there 4? before inspection, replaced front 02 ...

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 ...