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check engine light from intake #324170 Nov 11, 5:07pm Nov 11, 5:07pm
Joined: Jul 2004
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ahnjae OP
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04 Toyota Celica GTS
ahnjae OP
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check engine light from intake
hello im new to this site and in need of help. i just bought a new GTS celica and installed an AEM CAI. Well now the check engine light pops up once in a while after i start the car. I am always disconnecting the battery to erase it but the light pops up again after a day or two. Ive installed everything correctly and the car only has about 600 miles on it so i know nothing is wrong. Please help me out, i know this is a commom problem...Thankx

Re: check engine light from intake [Re: ahnjae] #324171 Nov 11, 5:16pm Nov 11, 5:16pm
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slidr
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Check your connections, take a picture of the setup and post it here, and at the least, get the code pulled.


Aqua Teen Hunger Force...number one in the hood, G
Re: check engine light from intake [Re: slidr] #324172 Nov 11, 6:03pm Nov 11, 6:03pm
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ahnjae OP
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sorry cant take a pic, but i know my connects are all correct, cant be my MAF cause its brand new and i just cleaned it,


...TheY DonT KnoW WhO wE bE...
Re: check engine light from intake [Re: ahnjae] #324173 Nov 11, 8:51pm Nov 11, 8:51pm
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it would be easier to jus get a code because it happened to me and it was an O2 sensor


Lets play that game called I'll light you on fire and I'll piss on you to put you out
AzN PrIdE
Re: check engine light from intake [Re: tai_mai_shu] #324174 Nov 11, 9:34pm Nov 11, 9:34pm
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ahnjae OP
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so your CEL was the result of your O2 sensor after an Intake install? I dont think thats my problem since the car is brand new with 600miles.

Re: check engine light from intake [Re: ahnjae] #324175 Nov 12, 6:57am Nov 12, 6:57am
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Louisville, KY
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Teknikal
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Did you reset your ECU after install?

Put your stock airbox back on and see if the CEL goes away

Re: check engine light from intake [Re: Teknikal] #324176 Nov 12, 12:33pm Nov 12, 12:33pm
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Freehold, NJ
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There's a very good chance that it's just the Intake itself that's causing the problem, even if it is installed properly. Happened to tons of Intake owners, since almost all aftermarket Intakes are improperly designed.

Re: check engine light from intake [Re: Blue_Bomber] #324177 Nov 12, 12:38pm Nov 12, 12:38pm
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ATL GA
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yeah...has something to do with how the Maf sensor is actually mounted in the Intake

Re: check engine light from intake [Re: AZZKIKR] #324178 Nov 12, 12:58pm Nov 12, 12:58pm
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Not really the way it's mounted, but what's around its mounting location. If you check the stock airbox, you'll see some fins around the MAFS that aren't present on any other Intake out there except TPR (and my Intake mod). There's a reason they're there: to maintain proper airflow through the MAFS. Without that, the air goes around the MAFS instead, throwing off readings and leading to bogging and CELs (P0171 - lean).

Re: check engine light from intake [Re: Blue_Bomber] #324179 Nov 12, 7:07pm Nov 12, 7:07pm
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ahnjae OP
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wow didnt look at it like that. good info, well is there anything else i can do then just clearing the ecu everytime i get a CEL with the AEM CAI?

Re: check engine light from intake [Re: ahnjae] #324180 Nov 12, 7:26pm Nov 12, 7:26pm
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This is one of your options:
new[/b]celica[b].org/forums/showthread.php?s=&threadid=127861

Your other two options are picking up a TPR CAI or an Apexi PowerFC. Those three are the only things that will get rid of your Intake related CELs (besides putting back your stock airbox wink ).

Re: check engine light from intake [Re: Blue_Bomber] #324181 Nov 12, 9:06pm Nov 12, 9:06pm
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new jersey
injencelicagts
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wate a while like 2000 miles it will go off i have a injenc CAI and i got so sick of resetin the ecu i just left the cel on and it went away just a few days ago so dont worry bout the cel thumbsup

Re: check engine light from intake [Re: injencelicagts] #324182 Nov 13, 11:34am Nov 13, 11:34am
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Check this out if you have a newer Celica. I believe the AEM instructions are for 00-01 or 02.

https://www.celicahobby.com/ubbthrea...#Post1870191064

Just a minor difference, but my CEL was doing the same thing... Now it's been off for nearly a year.


[Linked Image]
Re: check engine light from intake [Re: ArumnDark] #324183 Nov 13, 2:10pm Nov 13, 2:10pm
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ahnjae OP
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hey thanks for the reply but im having trouble understanding your directions...uncap the nipple on the Intake manifold with a hose, but where does the hose connect to on the other end and where did you get the hose from? is it off the stock Intake box? Also where is the other spot im suppose to cap? sorry cant really see the pics but thanks for the info!!

Re: check engine light from intake [Re: ahnjae] #324184 Nov 13, 3:00pm Nov 13, 3:00pm
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Let's see if I can explain it, hehe... Uncap the nipple on the manifold, plug the hose back in. The other end of the host should connect to the top of a 3-way connector (like an upside-down T). Then the right side of the upside-down T should be capped instead. The left side has a hose running to... umm.. somewhere on the right side of the engine bay =)


[Linked Image]
Re: check engine light from intake [Re: ArumnDark] #324185 Nov 13, 3:01pm Nov 13, 3:01pm
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I'll see if I can get some closer pics smile


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Re: check engine light from intake [Re: ArumnDark] #324186 Nov 13, 4:11pm Nov 13, 4:11pm
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ahnjae OP
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hey i just did the install, started the car and no CEL, but i also started the car before the install and there was no CEL. Hopefully things go smooth. Ill let you know if i get a CEL again from the time being. One other question i have is what is that hose connected to and why? just out of curiousity...thanks for the advise

Re: check engine light from intake [Re: ahnjae] #324187 Nov 15, 10:02pm Nov 15, 10:02pm
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Minnesota
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This very issue is what led me to join this site. I have a K&N Cold Air Intake that I installed and have since experienced the same problem. The symptoms are all the same, but I am wondering if anyone has tried recalibrating their computer? I have a Jet performance recalibration kit that I haven't used, but would be curious to know if anyone has already tried this, as well as whether or not it worked.

Re: check engine light from intake [Re: UnWorthy] #324188 Nov 15, 11:03pm Nov 15, 11:03pm
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im telling you guys if you get a cel dont worry bout it it will go off!!!! like i said b4 i got so sick of resetin the ecu i just left the light on and then one day bout 2 weeks ago it just went off and for bout 2 weeks i havent had one thumbsupjust try it let your ecu get use to the CAI wink :whatever:

Re: check engine light from intake [Re: injencelicagts] #324189 Nov 17, 8:51pm Nov 17, 8:51pm
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ahnjae OP
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well its been about 3-4 days now and no CEL!!!! thanks for the info, and now i can drive without worry. thanks


...TheY DonT KnoW WhO wE bE...
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