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May 23, 2012, 07:51:00 PM
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Author Topic: Car issues again  (Read 669 times)

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Offline lew

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Car issues again
« on: June 19, 2010, 01:26:18 AM »
My car starting acting weird today, would hesitant on throttle. Hoping it's not MAF again.
Codes:
0507 - idle control
0428- cat eff
0440- evap system
0170 fuel trim

I know I have an exhaust leak that has gotten a bit worse over time but not sure if that could be causing all of these combined issues?

Any ideas?
Wu-Tang financial

Offline peter32892

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Re: Car issues again
« Reply #1 on: June 19, 2010, 06:39:52 AM »
the exhaust leak could be causing the cat efficiency code or you also have a bad cat to go with that exhaust leak. Idle control take out your idle air control valve near your throttle body and clean that out. Evap could be a number of things hopefully it is just your gas cap not being tightened all of the way, or it could also be the wires to the charcoal canister have become broken. Also one way yo try to beat the cat eff code would be to use a bong on the o2 sensor to move it further away from the exhaust gases.
"Car was like 'grip, grip, grip, go fuck yourself."   deadlydave, peter32892

Offline Photofixer

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Re: Car issues again
« Reply #2 on: June 19, 2010, 09:06:39 AM »
the exhaust leak could be causing the cat efficiency code or you also have a bad cat to go with that exhaust leak. Idle control take out your idle air control valve near your throttle body and clean that out. Evap could be a number of things hopefully it is just your gas cap not being tightened all of the way, or it could also be the wires to the charcoal canister have become broken. Also one way yo try to beat the cat eff code would be to use a bong on the o2 sensor to move it further away from the exhaust gases.


Ok. Pete gets Karma  great job peter...

A. [First bold] Make sure the car is not on when you remove it...   Clean it with some gas ..  Peter had the same issue on his car but it would just instantly goto 5k and keep rising... It's got a little black rubber plunger on the end of it and that likes to break down and become sticky. 

B.  Hopefully it is just your Gas cap for the Evap code..

C. I love the last paragraph of Pete's post, I would try Beer First I mean If the O2 sensor gets high that might bring it furthest away from the  exhaust gases, but it might turn around and get addicted and want more...  I say you get it drunk so it breaths that shit and has no idea wtf is goign on...


He is talking about getting a Spark plug fowler from autozone,,  Drill out the center using a 1/2 drill [for the sensor to fit into..]  Screw that into your exhaust and then put the sensor into the fowler it will move the sensor back a few inches and decrease the amount it senses.. Yet removing the CEL...

Marty
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Offline Spanky WRX

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Re: Car issues again
« Reply #3 on: June 19, 2010, 10:26:29 AM »
i have an extra maf if you need it let me know. also get some jbweld and heavy duty aluminum duct tape (not the regular duct tape). cover the hole with the jbweld then wrap it real good with the duct tape and let it sit for acouple hours.
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Offline lew

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Re: Car issues again
« Reply #4 on: June 19, 2010, 11:59:24 AM »
Was going to clean out iac and I have another lying around garage just in case it is shot. Gas cap was tightened, cleared codes after cleaned iac and checking cap. I will see if they still pop up. Though my car likes to rev to 2k rpms now on idle then go down to 500 rpms ish with a rough idle.

I will try patching the exhaust leak hole tonight after work and see if I can stop it.

If none of this works I will start looking into maf again....
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Offline peter32892

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Re: Car issues again
« Reply #5 on: June 19, 2010, 03:34:45 PM »
I mean I don't really see how a bad maf would cause those check engine lights. To check the maf unplug it and that will throw it into closed loop mode which you will then be able to see if the idle still goes crazy, so if it does clean the iac if not look at cleaning or replacing the maf.
"Car was like 'grip, grip, grip, go fuck yourself."   deadlydave, peter32892

Offline lew

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Re: Car issues again
« Reply #6 on: June 23, 2010, 11:10:48 AM »
anyone have the cat system used lying around or know anyone who does?
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Offline idipskoalmint

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Re: Car issues again
« Reply #7 on: June 23, 2010, 11:20:30 AM »
anyone have the cat system used lying around or know anyone who does?

You looking for the two downpipe cats? If so, I have a mine lying around I can let you borrow to troubleshoot.
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Offline cazwrx187

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Re: Car issues again
« Reply #8 on: June 23, 2010, 01:36:22 PM »
You looking for the two downpipe cats? If so, I have a mine lying around I can let you borrow to troubleshoot.

he has a non turbo subaru
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Offline idipskoalmint

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Re: Car issues again
« Reply #9 on: June 23, 2010, 01:46:37 PM »
he has a non turbo subaru

D'oh! Didn't notice that...
"Subaru - the one STI you don't have to be ashamed of for having!"

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Offline BlackParis

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Re: Car issues again
« Reply #10 on: June 24, 2010, 07:04:55 AM »
Pretty sure a 2.2 cat will fit.. I got a few. One is just chillin next to the door of my garage...

PM me if interested..

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