CEL After Header Install
#1
Missing my
Thread Starter
CEL After Header Install
Okay, I know that it is common for the CEL light to come on after header install if the O2 sensor gets grease on it, but I have a few more questions... The CEL light came on upon first startup after header install. I drove the car around the block, then parked and reset the ECU but the light stayed on. I read enough other threads that said that it is usually the O2 sensor, but shouldn't my gas mileage be in the toilet? I really haven't noticed a decrease in mpg(its about 23-24 with combo driving), if anything its slightly higher than before(which is what I expected). I don't want to replace the O2 sensor if its not necessary, but at $3.87 a gallon, I don't exactly want to fuck around burning gas either! Any ideas? Input? Thanks!
#3
Moderator Alumnus
Change the o2 sensor as soon as possible. It can make your car either run too rich or too lean and it will make the cat go bad...OEM new cats are over $1000. Don't think you would like to spend that when you can change that part for less than $20.
#6
Missing my
Thread Starter
Originally Posted by GreenMachine
Change the o2 sensor as soon as possible. It can make your car either run too rich or too lean and it will make the cat go bad...OEM new cats are over $1000. Don't think you would like to spend that when you can change that part for less than $20.
#7
Missing my
Thread Starter
Originally Posted by fuzzy02CLS
What code is it? That's the first step.
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#8
Missing my
Thread Starter
Originally Posted by mohaukachi
cant say i know the answer, however im curious how the XS headers do in cali with emissions and carb and whatnot.
**Sorry for the three consecutive posts, I didn't know how to quote three different posts in the same reply.
#9
Team Owner
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Originally Posted by fuzzy02CLS
What code is it? That's the first step.
It could be a complete coincidence. It's not a bad idea if you're modifying cars to invest in an OBD-II scan tool. They aren't expensive.
#10
Lives in Boost
Originally Posted by mrsteve
It could be a complete coincidence. It's not a bad idea if you're modifying cars to invest in an OBD-II scan tool. They aren't expensive.
#12
Senior Moderator
Originally Posted by fuzzy02CLS
What code is it? That's the first step.
Originally Posted by fuzzy02CLS
Auto's are behind the little panel under the "not an ashtray" thing
6mt's are under the dash just to the right of the steering wheel
6mt's are under the dash just to the right of the steering wheel
#13
Missing my
Thread Starter
Originally Posted by mrsteve
It could be a complete coincidence. It's not a bad idea if you're modifying cars to invest in an OBD-II scan tool. They aren't expensive.
#15
Recently turned 18
Damn, DeJaVu. Came here to read up and post this same problem. Found it right there on the home page. Guess it's not as "off" as I thought it might be. Welp, time to dump more money.
#16
Missing my
Thread Starter
Originally Posted by Blitz
Damn, DeJaVu. Came here to read up and post this same problem. Found it right there on the home page. Guess it's not as "off" as I thought it might be. Welp, time to dump more money.
I am shooting over to Autozone tomorrow to find out the code for sure. Thanks again everyone for the help!
#18
Recently turned 18
Anyone have an idea of how much is involved in DIY the O2 sensor? If it's just a plug and a couple bolts I might as well order it and do it my damn self. We'll see what the "stealership" says.
#19
Missing my
Thread Starter
Those fuckers at Autozone don't do free CEL readings in Cali for some stupid reason. Checked with Aamco and they said they would check it for free but are booked solid for the next week. Sigh... guess I better just change the damn O2 sensor and keep my fingers crossed. I'll probably order the reader too, but not til my next paycheck.
#20
Suzuka Master
iTrader: (4)
you guys put way too much effort into things.
o2s are like 60/per sensor
www.oxygensensors.com
for like $15 you can rent the scanner from autozone and just check it yourself. it would be stupid to replace parts without knowing the code.
o2s are like 60/per sensor
www.oxygensensors.com
for like $15 you can rent the scanner from autozone and just check it yourself. it would be stupid to replace parts without knowing the code.
#21
Missing my
Thread Starter
Originally Posted by CleanCL
you guys put way too much effort into things.
o2s are like 60/per sensor
www.oxygensensors.com
for like $15 you can rent the scanner from autozone and just check it yourself. it would be stupid to replace parts without knowing the code.
o2s are like 60/per sensor
www.oxygensensors.com
for like $15 you can rent the scanner from autozone and just check it yourself. it would be stupid to replace parts without knowing the code.
#25
Senior Moderator
iTrader: (2)
For the cost of an O2 sensor buy yourself a scanner. You can get them on Ebay cheap, or even walmart. All you need is a basic ODBII scanner that reads & clears codes. If it is the 02 sensor, then at least you now have a scanner for future problems. And since it's OBDII you can use it on most any car out there. Rent it to your friends, recoup your investment.
#26
OG 3.x^7 rawr
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I got a OBDII scanner from snap on. It its in my pocket and payed $60. I let my freinds borrow it and have already payed for itself.
I wouldn't replace things unless you know what they are anyways, its just a waste of time and $ guessing and checking when you can just get the code and know what your problem is.
I wouldn't replace things unless you know what they are anyways, its just a waste of time and $ guessing and checking when you can just get the code and know what your problem is.
#28
Recently turned 18
Which version is that? I see them on Autozone's website between $70-$380. I'm about to go check 'em out and ask some questions. Hope somebody that knows what the hell they're talking about is working today.
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