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Old 12-04-2003, 11:15 PM   #1
CRZYMAN118
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Member#: 38771
Join Date: Jun 2003
Location: WOODLAND HILLS, CA
Vehicle:
2001 IMPREZA RS
SILVER

Default check engine light

My damn car... The check engine light has gone on about 4 times in the past month. All for different reasons. Im really starting to dislike subarus. Unfortuanetly Im getting a bad taste in my mouth from this one specific car. Everyone else Ive ever met who owns a subaru says they are practiucally trouble free and they love their car. This check engine light thing is such a bitch because there are about 100 different things that could set it off. And the only way to find out what it is, is to get a diagnostic test. That test costs 50 bucks by itself. I once paid 50 bucks for the mechanic to tell me that my gas cap was loose. Is there anyway to find the problem out for yourself? Any help would be appreciated. thanks
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Old 12-04-2003, 11:46 PM   #2
Brad Pittiful
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Join Date: Apr 2003
Chapter/Region: Tri-State
Location: A Town Called Malice
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. .
This ain't no picnic!

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check your gas cap

do you have any mods...that could help for the peeps who have great technical knowledge
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Old 12-05-2003, 12:53 AM   #3
z&cobb
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Member#: 12344
Join Date: Nov 2001
Chapter/Region: MAIC
Location: Mountains of Maryland
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2002 2JC
blue

Default Re: check engine light

Quote:
Originally posted by CRZYMAN118
My damn car... The check engine light has gone on about 4 times in the past month. All for different reasons. Im really starting to dislike subarus. Unfortuanetly Im getting a bad taste in my mouth from this one specific car. Everyone else Ive ever met who owns a subaru says they are practiucally trouble free and they love their car. This check engine light thing is such a bitch because there are about 100 different things that could set it off. And the only way to find out what it is, is to get a diagnostic test. That test costs 50 bucks by itself. I once paid 50 bucks for the mechanic to tell me that my gas cap was loose. Is there anyway to find the problem out for yourself? Any help would be appreciated. thanks
Much before my current 50,000 miles on my TurboXSed WRX, I bought an Actron OBD-2 tool at Autozone for under $150. If I paid 50 bucks each time I read/erased a code and followed up on the I/M tests, I'd have spent at least 500 bucks. I keep it in the trunk so I can check and erase a cel right away. It will also help me pass the emissions check when it comes due. I've also used it on a friends RS which, for some reason, gives cat inefficiency codes yet is completely stock.
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Old 12-05-2003, 01:16 AM   #4
CRZYMAN118
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Join Date: Jun 2003
Location: WOODLAND HILLS, CA
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2001 IMPREZA RS
SILVER

Default

I have absolutely no mods. So that Actron tool really works? That would be nice. All you do is plug it into your cars ecu and itll tell you what the problem is right? And then you fix whatever is wrong or if ints not a big deal just erase the check engine light?
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Old 12-05-2003, 02:09 AM   #5
stirex
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Autozone will also do the diagnosis for free if you dont want to spend the $150
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Old 12-05-2003, 07:17 AM   #6
Mulder
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Autozone doesn't do free scans in CA. They do in other states.
If your state has emission testing that includes an OBDII scan where they plug into your diagnostic port, you can't clear codes to get rid of a CEL just before going in. Clearing codes also resets the OBDII readiness tests, which will take several driving cycles to complete. If the readiness tests aren't complete you'll fail inspection.
A better OBDII scanner with monitoring features can tell you the readiness test status as well as monitor some of the ECU data in real time.
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Old 12-05-2003, 09:04 AM   #7
Boostmen
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Location: Bountiful, UT
Vehicle:
2005 STi OBP &
1999 Forester L

Default Re: check engine light

Quote:
Originally posted by CRZYMAN118
My damn car... The check engine light has gone on about 4 times in the past month. All for different reasons. Im really starting to dislike subarus. Unfortuanetly Im getting a bad taste in my mouth from this one specific car. Everyone else Ive ever met who owns a subaru says they are practiucally trouble free and they love their car. This check engine light thing is such a bitch because there are about 100 different things that could set it off. And the only way to find out what it is, is to get a diagnostic test. That test costs 50 bucks by itself. I once paid 50 bucks for the mechanic to tell me that my gas cap was loose. Is there anyway to find the problem out for yourself? Any help would be appreciated. thanks
I feel you brotha, the dang Forester is giving me fits too!
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Old 12-05-2003, 10:38 AM   #8
Subie Gal
GC84Ever
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1970 FF-1 & '70 Van
02 WRX/01 RS

Default

what are the codes for the CEL you've had recently?

9 times outta 10 they are 'emmission' related
and do not have a direct effect on the performance
of your car....

did you get the codes pulled?
know what they are?

Jamie
www.subiegal.com
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Old 12-05-2003, 10:40 AM   #9
z&cobb
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2002 2JC
blue

Default

Quote:
Originally posted by mulder
Autozone doesn't do free scans in CA. They do in other states.
If your state has emission testing that includes an OBDII scan where they plug into your diagnostic port, you can't clear codes to get rid of a CEL just before going in. Clearing codes also resets the OBDII readiness tests, which will take several driving cycles to complete. If the readiness tests aren't complete you'll fail inspection.
A better OBDII scanner with monitoring features can tell you the readiness test status as well as monitor some of the ECU data in real time.
The Actron I have will return all the I/M information after an erase cycle. The last one to clear is the evap system. After an intense drive on an interstate all go to "Ready" but the evap system. That clears about 2 days later, at the earliest. So, get the Actron with I/M features, if CELs really bug you. Keep it in the trunk, its about the size of handheld multimeter and Gorilla tough. It plugs in under the steering wheel column. Since I have a UTEC laptop cable in place I can get more engine info that way. But the UTEC can't do code IDs, erasing and "readiness testing."
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Old 12-05-2003, 11:05 AM   #10
Keith Cournoyer
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Location: Somerville, MA
Default OBD II Scanner

I recentl;y purchased an Auto-Xray EZ Scan 4000. This thing is awesome. I does a lot of stuff, monitors in real time, freeze frame monitoring, etc... I scan everybodies car's that I know. Save them a lot of time and cash$$. It is upgradable to the new CAN(Controller Area Network) system that is replacing OBD II in 2008(some cars already run it). I can download updates and new software onto it via web. Of course it does cost a little more the the simpler models. Checkout their web site. Good Luck, Keith
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Old 12-05-2003, 05:24 PM   #11
CRZYMAN118
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Join Date: Jun 2003
Location: WOODLAND HILLS, CA
Vehicle:
2001 IMPREZA RS
SILVER

Default

Thanks for your help guys. Im not sure what the exact codes were. However, I can tell you that last time the check engine light was on, it was because my main power source to the alternator had a short, and the time before that my damn gas cap was loose. Ha .. there was a 3 hour wait and a 50 dollar charge to tell me my gas cap was loose. I think im just gonna go get on of those scanners. Is that a good idea. The thing is that if i buy one of those, than after I find out what is wrong, I still have to get it fixed = $. I have never heard of a car without any mods having this many small mishaps. I dont know if im unluvky or subarus are prone to these sorts of problems. Thanks guys
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Old 12-05-2003, 05:53 PM   #12
Mulder
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Location: NYC
Vehicle:
02 WRX
15 WRX/05 GTO

Default

It's always a good idea to have as much info about your car as possible. Having a code reader/scanner in your car is highly recommended so you can check the cause of any CEL you get and maybe be able to correct it yourself (i.e. gas cap). Even if the car still has to go to the shop, at least you will have more info on what's up with it.
Keith, I recently got the EZ Scan 6000, on an upgrade program from my old EZ-Link. I got a good deal on it and it's a very nice unit, although the regular price for it is insane. Enjoy your 4000, it's nice too and does most of the same things.
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