Hope somebody can help me with this one. the check engine light went on 3 days after i bought my car from a toyota dealer. i took it to the dealer and they told me it was the catalytic that was probably dirty. but since it was a used car they couldnt fix anything. i didnt feel any major problem with the car, it runs fine, so i didnt bother to get it checked. but few weeks ago a friend got a car just like mine but his seems to have alot more power... so i thought maybe something was wrong with mine, so i took it to autozone, they checked it and the P0421 code came out, they told me it was one of these three that was causing the problem. bad catalytic converter, a bad rear oxygen sensor, or an exhaust leak.
Sometimes in the morning a whistling sound comes i think from under the car but when i step on the gas it goes off, if i let go of the gas it comes on again.. after a while it goes off completely so maybe i my catalytic is plugged?? does anybody know how can i check which of those three could be causing the problem so i can go to a mechanic and tell him specifically what to fix, they charge me 50 dollars to put the OBD ii to see what's wrong and i already know what code is going to come out... i have a mitsubishi lancer OZ rally 2005
Sometimes in the morning a whistling sound comes i think from under the car but when i step on the gas it goes off, if i let go of the gas it comes on again.. after a while it goes off completely so maybe i my catalytic is plugged?? does anybody know how can i check which of those three could be causing the problem so i can go to a mechanic and tell him specifically what to fix, they charge me 50 dollars to put the OBD ii to see what's wrong and i already know what code is going to come out... i have a mitsubishi lancer OZ rally 2005
May 22, 2012 at 10:14 AM