HollyM

2002 IS300, which fuses do I pull?

Background: Check engine light has been on for over a year.
Got it scanned and replaced O2 bank 1 sensor. Light came back on the next day. I've already read plenty of posts of people who have replaced both only to have the light back on.

I need to pass emissions and I'm not about to start forking over tons of cash. Will resetting the ECU help me pass?


Just a girl.
THanks

cp2

iTrader: (1)

have you tried disconnecting the pos on the battery? just remove the pos terminal for 30 sec and re-install. I've cleared a couple of cel's that way before.

HollyM

It's intimidating to disconnect the battery. I'd rather pull a fuse but I' don't know which one..maybe the one that says ECU-B2 7.5A

I did at one time change my own battery on my CRX but for some reason pulling a fuse and putting it back in seems easier for me. I may do the battery thing. Thanks a lot for your response.

HollyM

when you disconnected the pos on the battery and cleared your CEL, did it stay off for a good amount of time? or reappear...

cp2

iTrader: (1)

well, it extinguished permanently for each respected issue. but in my case, it was usually the same issue, a dirty air temp sensor. but yes, it stayed off after each reset. good luck!

buister

iTrader: (1)

You will not pass smog by resetting the light then bring it right to the station. The smog station computer will see that it was reset recently and flag it as a fault. Typically to pass, the car has to be driven for so many miles and started so many times. I don't remember the exact numbers, but it takes roughly about 1 to 2 weeks of daily driving.