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Old 03-03-2003, 07:06 PM   #51
AJ711
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Member#: 6178
Join Date: Apr 2001
Chapter/Region: MAIC
Location: Singletracks
Vehicle:
98 GM67 + 03 SG6
2 whls > 4 whls

Default

Date: 03/01/03
Code: P0141 O2 Sensor Heating Circuit Malfunction (Bank1 Sensor2)
Car: MY98 2.5 RS
Mileage: 63,XXX
Mods: Brullen Header Back exhaust system.

Fix: Brought it to a place with OBDII code pulling computer, pulled code, reset code, drove around. It's only been 30 minutes of driving (stop and go traffic) so I'm not sure if this really fixed things. There is the possibility of having to replace the O2 sensor, but I'm not sure. I'll see if the code comes back in the near future and update this thread.

AJ
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Old 03-03-2003, 07:11 PM   #52
Mulder
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The heating element in the rear 02 may have burned out, or the wires may be damaged.
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Old 03-03-2003, 11:03 PM   #53
AJ711
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2 whls > 4 whls

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Thanks for the info. Hopefully I'll be able to keep it "problem free" when I go home for break. Then, when I get back to available lifts, I'll be able to do a better job with those wires, I might know what the probelm is now. I'll see if the problem comes back or not.

Thanks again.
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Old 03-05-2003, 06:32 PM   #54
2sour4u
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Location: Allentown PA.
Vehicle:
05' Saabaru
Black YO!

Default My car started a new code

I just got a P1133 anyone know or ever see this. I drive a 01'RS. Borla header, Hi-Flow cat.,Stromung catback, Injen CAI. I had just left ILP from having a P0420. About halfway down the road it comes back on. So I turn around and have them check it out, and a P1133 shows up. They couldnt find that code anywhere in the book nor can I find anything about it. Anyone ever hear of this code befor? Any help will be great. Thanks!

Jon
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Old 03-10-2003, 08:00 AM   #55
DeusExMachina
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Chapter/Region: NESIC
Location: Denver, CO
Vehicle:
OMG EJ22T
FTW

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Code: P0136 Rear o2 sensor malfunction
Mileage: 8500
Fix: None yet..took car to dealer to have front O2 sensor replaced, code went away for a few hundred miles, came back in the middle of drive home from ice racing yesterday. Anyone have any ideas? I have a guess that the wiring rubbed through itself on the frame of the car due to a stretch.

Mods: Brullen header-back exhaust.

Anyone know where I can get a rear O2 sensor cheap?
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Old 03-10-2003, 07:05 PM   #56
mach_six
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Would I have to get the car to the dealer to get the CEL reset or will it go away by itself? I'm thinking the problem may be the gas cap cause it wasn't put on properly and I was driving it for like 40-50 miles then it came on. After I resetted it by unplugging the batter it came back like 20 miles and after a week of driving it. Now after another fill up and 40 miles later the light went off when I started the car before coming home. I'm going to be bringing it to the dealer for the recall anyway but just wondering if the problem may correct itself?
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Old 03-10-2003, 07:19 PM   #57
Mulder
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You're just playing guessing games if you don't get the code read. The loose gas cap is a common cause of CELs but there are a hundred or so others. Doing a reset without knowing the cause is just wishful thinking.
If the problem that originally caused the CEL to set is corrected or goes away, the light will go off on its own after the car is driven a few times. If the light does not go out, goes out and then comes back on, or comes back after a reset this indicates the problem is still present and the code is continually being set.
Since you are going to the dealer anyway just have them check it, but for the future if you get a CEL don't reset it by disconnecting the battery. Go to Autozone and have the code read, or find a fellow member in your local area with a scanner to read it. Even better, get yourself a scanner so you can read it yourself.
When you do a reset by disconnecting the battery it doesn't just clear any codes that are present. It also clears out all the adaptive learning info in the ECU and resets the tables to their defaults so the learning process has to start all over again. This isn't something you want or need to do without a good reason.
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Old 03-19-2003, 12:04 AM   #58
codger
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06 Legacy GT wagon
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Date: March 16, 2003/ March 30, 2003
Code: P-0420 Catalyst system efficiency below threshold
Car: 2002 OBS
Mileage: 9540km = 5928miles/10048 km=6244 mi
Mods: Brullen headers/cat, Magnaflow muffler, PDM Intake, Amsoil air filter, lightened pulleys
Fix for problem: Got it read and cleared at Autozone, might get a code reader from tehm

I had teh exhaust on for 1000 km with no CEL. It took 2 hours of snorting around on country backroads and highways, ratehr than my usual short city drives, before this came on. The kicker might have been driving down a lane with 8" of snow, tehn having to back up through this for 1/4 mile when I hit teh dead end.

Code came on a second time. Wife was driving, never got it above 3000rpm, after five minutes on the highway, cruising at about 2500rpm, CEL comes on. Cat probably cooled off from lack of hard driving

Jim

Last edited by codger; 04-01-2003 at 11:09 PM.
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Old 03-22-2003, 01:16 PM   #59
mach_six
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I pulled this code going to Autozone.

P0130 Front oxygen (A/F) sensor circuit range/performance problem (lean)

2002 Subaru Forester L
15,000 miles about

The only aftermarket part I have is a K&N Filter, should I take that out before going to the dealer and if that's causing the problem? The K&N has been on there since 1,000 miles.
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Old 03-23-2003, 12:10 AM   #60
philip_g
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Default

P0546, EGT issue.
25k miles

Not sure, I reset it and it didn't come back, go figure. I checked the egt, it's tight, everything looked alright, been a few days now.
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Old 03-26-2003, 01:56 PM   #61
Watsonpa
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1998 Impreza 2.5RS
Blooooooo

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Date: 03/2003
Code: P0102 Mass Airflow Sensor - Low Input Voltage
Car: MY98 2.5 RS
Mileage: 73k
Mods: Stock

I originally had this code pulled by the dealership since I had the car in for an oil leak anyway. I authorized them to do all the work and their solution for this problem was to replace the MAF sensor. Unfortunately they didn't do that, they just checked some connections around the EGR sensor and called it good when the CEL didn't come back. Of course I found out a few days later that the problem was still there.

This time I took the car to Autozone and had it checked. I ordered a new MAF sensor from them ($330, would have been $355 from dealer) and installed it the next day in their parking lot. After resetting the ECU and driving it around a bit everything seemed fine. It's been about 2 weeks now with no problems so I think that was it.

FYI the symptoms of this will happen before you throw a code. They will be random stalling followed by differing length periods of no problems. It's a very intermittant problem and a pain to troubleshoot since the CEL comes and goes.

FYI #2, the MY98 has a different MAF sensor than the newer models. It's a full assembly in which the sensor is permanently attached which is why it is more expensive, you have to buy the whole thing. Also expect a $75 core charge for it because it is a large plastic assembly.
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Old 03-26-2003, 04:47 PM   #62
yellowjacket
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Location: Huntington Beach
Vehicle:
2002 Impreza WRX Sed
Platinum Met. Silver

Default Any one else....P0302 Cylinder 2 misfire detected and P1245 Wastegate control solenoi

I have been having issues with CELs now and again but they usually go away. I chalked it up to boostspikes or other quirks generated by my TXS set up. I have a stage 1 more or less (more more than less but whatever).

I had to have my alarm reprogramed at the dealer so i had the mechanic do an overall inspection on the car and check out the CELs that I have been having. I didn't have time to have him do an indepth test, ie leak down, compression test etc, but he told me that I had a missfire on #2 and a wastegate prob.

Anyone else have this problem? did you investigate further? I am hopping it is just a glitch and nothing to worry about. My car has about 20k on it and I am already having problems due to the light mods that I have....well crap..I may have to rethink my mod philosophy as well as subaru and TXS...hmmm.

Let me know what ya think....

James
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Old 03-26-2003, 04:53 PM   #63
yellowjacket
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2002 Impreza WRX Sed
Platinum Met. Silver

Default another CEL blinking this time...

I got another CEL but this time it was blinking. I got it during a hard right hand turn...it blinked about 4 or 5 times then went out. Hmm. I haven't taken it back to the dealer yet...I think Friday but I wonder if it was a fuel thing. You know low gas and tripped something...

I dunno

James
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Old 03-31-2003, 04:18 PM   #64
Wedge
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Chapter/Region: South East
Location: The MIA
Vehicle:
2000 Slingshot
Pastelito Racing

Unhappy

Please Help!
Date : 03/31/2003
Code : P0327 Knock sensor circuit low input
Car : MY00 2.5RS-T
Mileage : 31000
Mods : Ludespeed Stage 2 Kit

I clear the code with my OBD-2 scanner, but comes right back instantly. Anyone have any ideas?? Thanks!

-Vic

Last edited by Wedge; 03-31-2003 at 04:32 PM.
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Old 04-05-2003, 11:42 AM   #65
auricom
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'01 2.5 RS
silver

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help here too,

Date : 04/05/2003
Code : P0420
Car : MY01 2.5RS
Mileage : 45000
Mods : Ganzflow intake

the midas shop owner said bad O2 sensor, that is it right is it?
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Old 04-05-2003, 11:51 AM   #66
Mulder
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Quote:
Originally posted by auricom
the midas shop owner said bad O2 sensor, that is it right is it?
That is a catalyst inefficiency code, it is most likely caused by either a bad cat or modified (catless) exhaust. It is unlikely to be a bad 02 sensor. The readings from the rear 02 sensor are used to determine whether to set this code, but if the sensor itself was bad there should be additional codes related to the sensor itself. The 0420 alone usually indicates a problem with the cat.
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Old 04-05-2003, 11:54 AM   #67
Mulder
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Quote:
Originally posted by Wedge
Code : P0327 Knock sensor circuit low input
Most likely a bad knock sensor. I'm not familiar with the Ludespeed kit and how it is connected, does it connect to the knock sensor circuit in any way? If it does there could be a problem with that wiring.
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Old 04-05-2003, 01:11 PM   #68
auricom
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cool, sucks if the cats bad, i've done nothing to the exhaust, just added a intake. i've been tempted to change my exhaust setup but can't afford to.

if i have to replace the cat....hmmm...not sure what to do then. would love to upgrade but most exhaust systems, i think, would be cat back so i would still need to replace the cat? meaning it wouldn't be included in whatever setup i get.

Last edited by auricom; 04-05-2003 at 01:45 PM.
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Old 04-06-2003, 12:45 AM   #69
Wedge
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Pastelito Racing

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Quote:
Originally posted by mulder


Most likely a bad knock sensor. I'm not familiar with the Ludespeed kit and how it is connected, does it connect to the knock sensor circuit in any way? If it does there could be a problem with that wiring.
Yeah. The J&S Safeguard Knock Retard system goes connected to the stock knock sensor wire on the ECU. It looks like the ECU doesn't like it. I'm going to try a 10ohm resistor on that wire and see if that helps out any.
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Old 04-06-2003, 06:54 PM   #70
John at J&S
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Try 100k ohm.
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Old 04-07-2003, 08:11 PM   #71
GreenGiant
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Location: Raleigh, NC
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2014 Outback
Twilight Blue Metallic

Smile RE: auricom P0420

Auricom,
Since you only have 45K on the clock, you should take it to the dealer and they will replace the cats under the 8yr/80K emissions warranty. I just had this done to my vehicle at 65K mi today. I had had the P0420 code set several times. (See second post on this thread for some of my experiences). I had expected some hassle since my stealer is Southern States here in Raleigh NC which is usually a tough dealer to work with but they gave no lip whatsoever. Good Luck.

Tony aka GreenGiant
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Old 04-08-2003, 09:46 PM   #72
9
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RBP (one of the first!)

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Date: about a week ago
Code: p0106-Manifold Absolute Pressure/Barometric Pressure Circuit Low Input.
Car: 98 2.5rs
Milage:98950
Mods: none

So all I know right now is I'm confused as h***. I thought the 98's didn't have a map or maybe I'm just a little slow. It idles irregularly sometimes and doesn't get good gas milage, but other than that car rides pretty good. I guess its a bad sensor, I got a new PCV valve, figured it couldn't hurt. So does anyone know what sensor is messed up, I checked to make sure they were all plugged in, so its not an operator error.
Thanks
Courtney
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Old 04-12-2003, 04:14 PM   #73
Susie's Suby
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Blew-ridge Pearl

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CAR: 2001 RS 2.5 Manual trans., no mods. Mileage: 70 K+
CEL: the hubs got it read at a car place, didn't get actual code. They told him it was generated by an oxygen sensor b/c either the the sensor itself is bad or there's an exhaust leak.
SOLUTION: the hubs doesn't want to deal with it. Will anything bad happen if we don't fix this sensor thingy? He says no, but I'm the one who drives the car, many miles & not gently.

Susanna <---such a GIRRRRL...

Last edited by Susie's Suby; 04-12-2003 at 10:41 PM.
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Old 04-12-2003, 04:29 PM   #74
Mulder
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Too vague, you need to get the actual code and post it here for any useful feedback. There are a number of codes that are 02-sensor related but without knowing which one you had it's all speculation. I'm sure you can find a local NASIOC'er with a scanner to check it again for you, assuming it hasn't been reset and cleared.
Kick hubby's a$$ and make sure he pays attention next time
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Old 04-15-2003, 07:19 PM   #75
Susie's Suby
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There aren't any Autozones near me so I tried some other places. I won't mention any names...but Pep Boys and Monro each want $70.00 just to read my friggin' code. Well, actually, the Monro guy said "we don't just READ it...we EXPLAIN it to you" in his most condescending manner. I told him no thanks, I just need the code, and tore out of his parking lot.

Grrrrr. I drive 3-4 hundred miles a week on that car, and all the time that darn CEL is glaring at me...

The Hubs now says he remembers that it's the front O-2 sensor. If this needs to be replaced, is it expensive? Pardon my ignorance.

Susanna
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