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Old 11-30-2003, 03:27 AM   #1
blackbok
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2002 Geo Metro
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Exclamation Update:CEL pulled:P0136 What to do?

I've been searching TOO long so I'l just throw it out...

I threw a cell last night (first time). I have 30,300 miles, Stromung cat back, cobb cai grounding mod, that's about it. It has been this way for over a year, no problems. Doing about 75 on the fwy and the light popped on. There was no mechanical response (rough ride/hesitation) just the light. I've asked around for someone locally to pull my code since autoparts stores in CA no longer can do it free . Someone is going to pull the code tomorrow. i know I should just wait for the code, but the only thing I can think of is that thursday I wrapped my Cobb in some alluminum skinned pipe insulation. It has been rather cold here (for us) at night. Is there a possibility that the intake air temp is TOO cold? Just wondering if anyone has experience in this situation.

I also (3 weeks ago) put a new ring "donut" gasket from my cat>Stromung midpipe. It as still spitting condensation w/ the new gasket, so I took it back apart and put some ultra high temp gasket silacone between the two. Sealed good. Like I said, that was 3 weeks ago, and it is AFTER the cat so I don't think it would cause a cell.

I'll update once I get the code pulled.
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Last edited by blackbok; 11-30-2003 at 03:03 PM.
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Old 11-30-2003, 04:55 AM   #2
ejicon
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well, my light just turned on tonight... 1:20am.. I was leaving work, dropping a friend off at her car. When she got out of my car and openned the door, I noticed that it came on.. bright as hell too.. All I have is a CObb CAI and I've had it on since Summer time. I check it and it's pretty tight and sterdy on. I checked the gas cap, and it's on tight. What do I do now.. Try to reset the ECU? Please help me too.
-Ells
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Old 11-30-2003, 07:05 AM   #3
Texas25RS
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Typically I throw 0420 codes all winter long because the car just doesn't seem to take real well to the colder air. Typically I throw the CEL cruising onthe highway in cooler temps at lower engine speeds... always the same code 0420... never anytyhing to worry about.
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Old 11-30-2003, 09:21 AM   #4
Matt
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Quote:
Originally posted by Texas25RS
Typically I throw 0420 codes all winter long because the car just doesn't seem to take real well to the colder air. Typically I throw the CEL cruising onthe highway in cooler temps at lower engine speeds... always the same code 0420... never anytyhing to worry about.

I had a ton of the 0420 CEs as well. My dealer eventually replaced the catalytic converter under warranty. I haven't seen this light since...and that was over 25000 miles ago.

Also, it could just be the CE light. As long as the CE isn't flashing, it usually isn't a dire emergency.
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Old 11-30-2003, 01:17 PM   #5
ejicon
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cool, I'm going to Autozone today after work to get it checked out. Any one know where my O2 sensor is located incase it's not plug'ed in right or needs replacing?>
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Old 11-30-2003, 01:31 PM   #6
blackbok
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Quote:
Originally posted by ejicon
cool, I'm going to Autozone today after work to get it checked out. Any one know where my O2 sensor is located incase it's not plug'ed in right or needs replacing?>
Dude, you're out of luck. Autozone (and every other auto parts in CA) stopped doing free obdII scans. The auto repair shops sued them and a law was passed that "giving a free service (like pulling codes) is hurting the automotive repair industries liveleyhood." In other words, mechanics were crying because they couldn't charge you $65 bucks to plug in a scanner and tell you what's wrong.

Either buy an OBDII (like I plan on doing) or ask around and see if someone local who has one will help you out.

Good luck, I need it too.
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Old 11-30-2003, 03:00 PM   #7
blackbok
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*UPDATE*

Just got back from getting the car scanned... came up P0136 "02 Sensor Circuit [bank 1 sensor 2]"

The cell was cleared, but I'm sure it will be back. So if I'm understanding the code correctly, the sensor itself isn't bad, it's the circuit (wires)? I've searched and found this code comes up a lot with people who use MIL elliminators. I just have a stock 02 sensor with 30,300 miles on it.

So what do I need to do to fix this? Would a whole new sensor help, or as I guessed, is it purely wiring?

Is it bad for me to keep driving with this problem?

Oh, and is something like this covered under warranty?
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Old 11-30-2003, 04:34 PM   #8
HondaH8er
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Go to your dealer and see if it's covered under warrenty. I've thrown one CEL, and I took it right in to the dealership. They scanned it, told me it was a cat problem (don't remember the code), but they looked through the datalogs, and couldn't figure out why it came on. So they just went ahead and replaced the cat under warrenty. I have a GanzFlow CAI, K&N, and a Stromung axle-back, by the way, and left it all on when I took it in. Whole thing cost me $0. You still have warrenty left, use it!
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Old 11-30-2003, 06:49 PM   #9
ejicon
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Question

That sux about the autozone deal. So i wonder if they still do the service at a price. I'll stop by and see what they say. Where can I buy a reasonable priced OBDII SCANNER in LA or anywhere? Is a computer needed to do this? Please give me the 411 on the whole OBD2 Scanner. I have no clue about them.
Also, would it be wised to reset my ECU and see if the light comes back on. I hate looking at the light. Thanx
-Ells

Last edited by ejicon; 11-30-2003 at 09:39 PM.
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Old 12-01-2003, 01:52 AM   #10
blackbok
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Well, I decided that I am oing to probably take it into the dealer and see if they will fix whatever it is under waranty. I went through the hassle of swapping my COBB out for my stock intake, just so they don't have an excuse to deny me. i still have a catback on, but that is AFTER the problem, so i don't see them throwing a flag. Never know though.

I'll post an update.
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Old 12-01-2003, 03:09 PM   #11
ejicon
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WRB Mica

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I should do the same. I just ordered an OBD2 scanner, so I'll wait to see.
Funny thing happened last night. I sorta pulled a little harder than normal and the CEL started to flash breifly, than it stopped. It was a little scary. I still don't know what the deal is though. I can't wai for this scanner thing.
-Ells
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