I HAD TWO NEW CATALYTIC CONVETERS INSTALLED WITH UP STREM AND DOWN STREM SENSORS , NFTER 100 MILES THE CHECK ENGIN LIGHT CAME ON WITH CODE P141F WHAT IS WRONG?

SOURCE: 98 VW Beetle 2.0L, Check engine light with OBD Code PO118

BTW - if you have less than 100,000miles you might be able to have your cat replaced under warranty by the dealer. In Canada it's 160,000km.

SOURCE: VSC, Trac off, and check engine lights are on

I took mine to the dealer to find out why the VSC, Trac off, and check engine lights are on. They said it is the camshaft position sensor, it retards the timing, and causes it to lose power when climbing. Also, 1 of every 30 to 50 scions have this problem. Sounds like it should be recalled for this. The cost of replacement is about $500 bucks. Get your dry belts and valve cover gaskets changed at the same time to avoid labor charges later. I couldn't believe the dealer charges $89 bucks an hour for labor these days, Rediculous. At least it comes with a a 12 month unlimited mileage warrenty.

SOURCE: Check engine light on. Code P0440.

wow thermostat >>>> shucks i believe its evep emissions code like faulty gas cap ....you can reset any computer the chck eng light will come on in 50 to 100 miles if not fixed....

SOURCE: Replaced 0xygen sensor in 2003 Hyundai Accent 3 Times Not Fixed!

It sounds like you have either a lean or rich condition ocurring,could be exuast leak,vac leak,leaking fuel preasure regulator,cat convertor.At this point would go to dealer for diagnosis.

SOURCE: I have a 2005 Chrysler Town & Country with

there are no codes that say replace O2 sensors,or remove converter,Thats just somebody's guessing,When it says O2 sensor that tells the mechanic to look for trouble in that area,wiring or faulty readings,And there are four O2 sensors.