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Joined: Oct 2003
Posts: 60
Member 2000 Toyota Celica
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Member
2000 Toyota Celica
Joined: Oct 2003
Posts: 60 |
went to Autozone today...had them check out what my CEL was saying and i got this...
PO171
System Too Lean
Bank #1
i asked the guy at autozone what does that mean...he said he didnt know...so im posting this here and my OK-website...any help would be appreciative
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Joined: Apr 2003
Posts: 1,917
Blue MnM 2003 Toyota Celica
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Blue MnM
2003 Toyota Celica
Joined: Apr 2003
Posts: 1,917 |
heres what the code means--> web page someoene else might know how to fix the problems
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Joined: Aug 2003
Posts: 1,249
Specialist 2000 Toyota Celica GT
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Specialist
2000 Toyota Celica GT
Joined: Aug 2003
Posts: 1,249 |
Clean MAF
Reset ECU
Check for Intake leaks
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Joined: Oct 2003
Posts: 60
Member 2000 Toyota Celica
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Member
2000 Toyota Celica
Joined: Oct 2003
Posts: 60 |
is there a proper way to clean the MAF?
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Joined: May 2002
Posts: 3,286
ECelica Staff 2001 Toyota Celica GTS
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ECelica Staff
2001 Toyota Celica GTS
Joined: May 2002
Posts: 3,286 |
after cleaning it, reset your ecu by unbolting and disconnecting the negative terminal on your battery for 5 minutes.
Last edited by Steven; Jun 12, 2004 2:00pm.
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Joined: May 2002
Posts: 3,286
ECelica Staff 2001 Toyota Celica GTS
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ECelica Staff
2001 Toyota Celica GTS
Joined: May 2002
Posts: 3,286 |
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Joined: Apr 2004
Posts: 162
Member 2000 Toyota Celica GT
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Member
2000 Toyota Celica GT
Joined: Apr 2004
Posts: 162 |
my car has the P0171 on it too-don't really know why, but I don't think it's gonna hurt anything.
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Joined: May 2002
Posts: 3,286
ECelica Staff 2001 Toyota Celica GTS
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ECelica Staff
2001 Toyota Celica GTS
Joined: May 2002
Posts: 3,286 |
I had the P0171 until i cleaned my mafs and reset my ecu, after that it disappeared. Try it jen
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Joined: Jun 2003
Posts: 2,863
Specialist 2001 Toyota Celica GT
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Specialist
2001 Toyota Celica GT
Joined: Jun 2003
Posts: 2,863 |
Your car will feel completely different after you clean the MAF. Like it has new life.
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Joined: Apr 2004
Posts: 162
Member 2000 Toyota Celica GT
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Member
2000 Toyota Celica GT
Joined: Apr 2004
Posts: 162 |
I've cleaned it twice or three times and didn't make any difference. It goes off after I clean it, then comes back on in a day or so.
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Joined: Oct 2003
Posts: 60
Member 2000 Toyota Celica
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Member
2000 Toyota Celica
Joined: Oct 2003
Posts: 60 |
thanks steven, i will go do that right now, thanks for the help
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Joined: May 2002
Posts: 3,286
ECelica Staff 2001 Toyota Celica GTS
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ECelica Staff
2001 Toyota Celica GTS
Joined: May 2002
Posts: 3,286 |
Jen there are 2 spots on the MAFS you're supposed to clean, the air temp probe and the little wires in the canal. Here is the air temp probe: ![[Linked Image]](https://celicahobby.com/gal3/albums/inst/MAF2.jpg)
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Joined: May 2002
Posts: 3,286
ECelica Staff 2001 Toyota Celica GTS
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ECelica Staff
2001 Toyota Celica GTS
Joined: May 2002
Posts: 3,286 |
Here are the crutial wires that need to be cleaned. These are the ones that are probably really dirty and what caused your check engine light P0171. ![[Linked Image]](https://celicahobby.com/gal3/albums/inst/MAF4.jpg)
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Joined: May 2002
Posts: 3,286
ECelica Staff 2001 Toyota Celica GTS
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ECelica Staff
2001 Toyota Celica GTS
Joined: May 2002
Posts: 3,286 |
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Joined: Oct 2003
Posts: 60
Member 2000 Toyota Celica
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Member
2000 Toyota Celica
Joined: Oct 2003
Posts: 60 |
it worked...thanx steven...yea its like new...which i bought my car like this and i just thought they were like that...it helped my low end so much...it went from literally no low end to hey...its nice and the transition to lift is not hard any more...it just goes into like it should compared to night and day kickin it...but thanx for the help!!!
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Joined: May 2003
Posts: 582
Senior Member 2001 Toyota Celica
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Senior Member
2001 Toyota Celica
Joined: May 2003
Posts: 582 |
i don't know, i have 2001 gts and had it for about three year. i had clean the MAF, and it wasn't even dirty at all. so i dunno how your MAF gets dirty?
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Joined: May 2002
Posts: 3,286
ECelica Staff 2001 Toyota Celica GTS
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ECelica Staff
2001 Toyota Celica GTS
Joined: May 2002
Posts: 3,286 |
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