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Check engine light help

 
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Old 05-23-2005
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Check engine light help

Hey what is the check light that is right below the oil light? its kinda like the shape of the intake resonator... i really need to get a owners manual.. thanks guys
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Old 05-23-2005
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information should not be trusted
malfunction indicator
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Old 05-23-2005
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its running fine, i undid the battery and it went off... what do you think i should do? do i need to check a code?
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Old 05-23-2005
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have you changed out anything on the car?
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Old 05-23-2005
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When i swapped out my exhaust setup up, the o2 sensors weren't reading the output right. It took a few months for the engine to readjust and now it runs just fine. Everynow and then i see it but i pay it no mind. (....maybe thats not good.)
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Old 05-23-2005
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Stop messing with your car, in the last few days you have been doing alot of that.
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Old 05-23-2005
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haha i just got it, have to mess with it a little bit, yea i did change something, i removed the resonator and got a plastic tube and made myself a homemade short ram..
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Old 05-23-2005
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Did you start the car with the MAF sensor disconnected? Cause if you did then you have to go to AutoZone or Pep Boys and get your codes cleared. If you didn't start it, then I dunno...
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Old 05-23-2005
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im such a newb, um maf sensor? do you mean the iat sensor?
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Old 05-23-2005
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It's the little plug that goes into your air filter box. Did you disconnect it at all and start your car?
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Old 05-23-2005
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Originally Posted by JesterMasque
Did you start the car with the MAF sensor disconnected? Cause if you did then you have to go to AutoZone or Pep Boys and get your codes cleared. If you didn't start it, then I dunno...
our cars dont have a mass air flow sensor. We have a IAT sensor and a MAP sensor.
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Old 05-23-2005
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well the light went off when i disconnected the battery.. if it doesnt come back on, is this something i should worry about or get checked out?
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Old 05-23-2005
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Old 05-23-2005
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ya its important. Buy a code reader or take it to an auto parts store so they can read the code.
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Old 05-24-2005
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Originally Posted by streetglower
our cars dont have a mass air flow sensor. We have a IAT sensor and a MAP sensor.
Really? Which is the one on the air box? And what do MAP and IAT stand for? But yea, I forgot about the disconnecting the battery thing...
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Old 05-24-2005
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MAP is a presure sensor. IAT is the one in the airbox and stands for intake air temperature.
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Old 05-24-2005
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Oh ok. Where's the MAP at?
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Old 05-24-2005
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gearbox, i got one more quick question, Since i disconnected the battery and it went away.. if the light does not come back on, Does that mean i still should get it checked? Or anyone else who knows

Last edited by midnightblueEX; 05-24-2005 at 12:26 AM.
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Old 05-24-2005
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I know you didn't ask me but meh...
First you should re-check that none of the wires are loose on the harness double check the whole thing. Then redo the battery reset and if it still doesn't go away have it checked out.
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Old 05-24-2005
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yea its gone and i drove it for awhile and the light didnt come back on.. so should i still check it out? or am i cool because the light is gone.
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Old 05-24-2005
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If the light doesn't come back on then don't worry about it.
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Old 05-24-2005
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do yourself a favor, buy an OBD II reader and get the codes...and also don't make any homemade parts unless you actually know what your doing. Buy a short ram that's reputable, don't get some cheap ebay no-name part from God-knows-where. The OBD II reader will tell you what's up with your car and you can go from there. Tuning your car is like G.I. Joe: KNOWING IS HALF THE BATTLE! =)
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Old 05-24-2005
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Hey now, I got an eBay tube on mine and it works great :P But I guess I got lucky cause it had the hole for the IAT sensor and everything (which I've heard most you have to drill your own). But how much is an OBD-II reader? Any place I can get a deal on one?
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Old 05-24-2005
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you can buy an OBD II at any Kragen or Pep Boys. I bought mine for $60. Most places charge you a lot more than that to read it so you'll be saving yourself a lot of time and money. If your gonna tune, your gonna run into some check lights so this is well worth your money. Oh and the only reason I say don't buy a no-name intake from ebay is because, well, I did buy a no-name intake and it was a crap-shoot. Never again.
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Old 05-24-2005
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Originally Posted by JesterMasque
Oh ok. Where's the MAP at?
the map sensor is located on the intake manifold.
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Old 05-24-2005
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Originally Posted by midnightblueEX
gearbox, i got one more quick question, Since i disconnected the battery and it went away.. if the light does not come back on, Does that mean i still should get it checked? Or anyone else who knows
yes you still need to go get it checked. The code will still be stored in the PCM and if you do the diagnostics for it, it will tell you if you had a intermittent failure and now everything is fine, or if there is a problem.
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Old 05-25-2005
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hhahah speaking of leaving the IAT sensor off and starting the engine...that happened just todai. i was checking the tb heater bypass thingy that i did just in case the tubing were leaking coolant and totally forgot to reconnect the sensor which causeing to thro the cel. gonna head tommorrow to dealership to get it cleared and see if it isnt anything else. hopefully its covered under warranty..right?
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Old 06-02-2005
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IS there anyway to reset the codes yourself or is there a reader that has this ability that is reasonably priced?
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Old 06-02-2005
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Make sure your gas cap is tight. If not it can cause a CEL.
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Old 06-02-2005
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tHE CODES ARE STILL IN THERE, THEY STAY TILL IT GETS CLEARED! Oops! Sorry about the caps.
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