Celica Forums General Discussion Exterior Injen CAI Problems!

Hey i got a CEL a few days ago, took it to Autozone and got the code P0172, the guy said i was running too rich.. does anyone know what I could do to fix this?!?!? Thanks!

check your to see if you have everything tight, make sure all hoses are secured/bypassed correctly, and Clean MAF sensor

did you trey resetting your ECU? Unplug your battery for a lil bit. That might help.

I checked and resecured all hoses, and I did clean the MAFS, and doesnt disconnecting the battery make it go away for a little while then it just comes back?

MY CAR HAS THE SAME PROBLEM --- PEOPLE SAY THE ECU TURNS ITSELF TO "SAFE MODE" --- BATTARY WILL ONLY TURN IT OFF FOR 3 - 4 MILES THE ONLY THING YOUR DOING WHEN YOUR DISCON'IN THE BATTERY IS RESETING THE ECU..SO YOUR REALY NOT DOING DIDDLY... ITS BETTER YOU LEAVE THE CHK LIGHT ON... TILL YOU FIX THE PROBLEM... ADVISE CHANGE BACK TO STOCK SEE IF THAT HELPS IF NOT THEN THAT WHAT YOU GET FOR GETTING A TOYOTA ... I HATE TOYOTA FOR THIS ... THIS PROBLEM IS ALWASY GUNNA BE AN ISSUSE...

TTT I need help!

go back to stock and see if it goes away.

this thread makes me think twice if i should get a SRI

anyway...i will get header first

i used to have check engine light problems, i used to think it was the cold air Intake..but tunrs out because i had an exhaust leak and after i fixed it, no more check engine light, yay!

the same thing happen to me I took it to toyota and they didn't even know so i decided to give it a try and clean the maf sensor the light is off now and don't have any problems with just try to clean it really good until there is no more dirt residue on the tip on the sensor but be careful if you break it, it'll cost you big $$$ but give it a try i'll bet you 100% that will solve your problem

note: remember to disconnect your battery when cleaning the sensor

Word...clean the maf sensor perfectly. Not much you can do other than that...other than sell it and get an aem cai which is better overall in my opinion. Sorry you are having problems and good luck.

UPDATE: I was going to put my stock air box back in last night and see if the CEL would go away but before i did that I took out my Injen Intake 100% then reinstalled it, reconnected all hoses and put the filter back on, started my car back up CEL was still on. Got in the car this morning and after about 10 minutes of driving it shut off!! So far so good!!

^^^good deal..did you disc the bat..b4 installing??

Nope i didnt even reset the ECU, so I know its fixed!!

it's a good thing it went away..but i think you might have forgotten to unhook the bat. the first time you install ur Intake..maybe that's y you got the light..but if it dont' show now then it's all good..

my CEL came on the first time i installed my Intake but after disconnecting the battery the CEL hasnt come back since

please tell me that you didnt paint your kit black to make it look like it was carbon fiber or something

what do i clean the MAF sensor with? my cel keeps lighting up? DO i need to clean my Intake filter or get a new one? just a thought...i took a look at the maf sensor and saw that the tip of the q-tip looking thingy is all covered with dirt..what do i clean it with? thanks for the help...greatly appreciated

I had the same problem when I installed mine at first, turned out that I hadnt pushed the mass air plug in all the way

Use q tips and choke & throttle body cleaner!

whats the mass air plug?

lol this is a common problem with Injen and AEM CAI's...maybe you should consider getting a better Intake. I honestly dont think anything you can do will change it unless of course you installed it incorrectly which it sounds like your installation is fine

tgts, I wouldn't worry about it. I've had my celi with a CEL on and off for the last 2 years-I even went to the extent of changing both oxygen sensors-lots of $$$$, and it still didn't help even though it read the same. My car is still in great condition and it flies-just listen to it-it'll tell you if somethin's wrong!! It'll be okay!

I install My Injen CAI with No problems at all try to secure all the hoses.

I think it also has something to do with the year. I have an 03, and my light's always on. Everyone I know with an 03 has the light prob. Everyone I know with an 01, and earlier don't have that prob. I think the 02s are fine as well, not sure. If you look at the wiring, the 03s will have 2 plugs not connected, where as the previous models will only have 1 not connected. The previous models have some kinda extra thing connect up to a hose that's on the driver's side firewall.

SRIs have just as many problems, because just about all Intakes are made improperly. Cheap research = cheap product = CELNon-chloronated brake cleaner is the safest stuff to use. Some throttle body cleaners can actually damage MAF sensors (says so right on the can), and they're not cheap at all to replace.

^^ I just used what was recommended in the Install Guide, I didnt know it could be damaging?!?

The CEL problem really sucks! I moved to Boston, so I put my Celica (Sasha) up for sell, very reluctantly. My CEL has been on for the past 2 years, and it still drives great, but try telling that to someone that wants to buy the car.

I have to get this fixed, and I think it may mean going back to the stock air filter. The only problem is I'm on the east coast, and my car is at my mom's in Arizona. I can take care of the problem, but the girl that wants to buy it is trying to get me to drop the price down $1000 for that...YEAH RIGHT!

lol JAndre would you be interested in trying an Intake that doesnt have a CEL, and has better power? Im in mass too right outside the boston suburbs.

What Intake would you recommend. I'm going to go back to AZ 4th of July weekend and try to take care of the CEL. I'd rather put a short ram Intake on. The girl that's buying it would never be able to deal with the CAI. It would take her years to find the filter.

ditto

my CEL came on too...but after 2 days of driving...I rechecked everything...even had Josh look at it and see if I missed anything...cleaned the MAF Sensor...and still NO JOY...the light remains!


i do have a question though that wasn't covered in the install guides...

The vacuum hose that has a "y" splitter on it ...connects to the head...and under the stock air box...

I plugged the little vacuum port coming out of the head like the instructions said...but nothing was said about the line that was left hanging there...does it just stay there...or get plugged? Or what?