Engine, Intake, Exhaust Modifications to your Normally Aspirated Hyundai engine. Cold Air Intakes, Spark Plugs/wires, Cat back Exhaust...etc.

Check Engine Light

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Old Jun 26, 2006 | 08:58 AM
  #1  
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i been having this code for a few days already and i just dont ind the solutions of it.
it says
manufacurer. air fuel meter control.

any ideas?

maybe running rich??
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Old Jun 26, 2006 | 09:15 AM
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first of all, this shouldnt be in this forum.. but neway..

are you turbocharged? if so, that could be a reason for it. i have the same code being thrown, but it could be for many reasons, fact ihave two fuel rails, aftermarket fuel system, the turbo, etc.

is your car just stock? if so, something with injectors could be messed up, MAF, etc.

give us some more details, and people would be able to help you out more.

any aftermarket mods?
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Old Jun 26, 2006 | 11:52 AM
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Isn't this the code for the second O2 sensor? Do you have an aftermarket header?
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Old Jun 26, 2006 | 01:01 PM
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I would start by checking what TPS you have. If it is a Dae Sung, that most likly is the culprit.

P1127 is a weird one... It states that the car ran rich for 30 seconds 2 continuous start cycles

I had it before... in this thread there is some diagnostic info from webtech on what to check.

http://www.rdtiburon.com/index.php?s...10945&hl=p1127

Hope that helps on what to check.

Mine went away after I reset my codes twice... never came back.
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Old Jun 26, 2006 | 03:50 PM
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Moving this to Engine Forum
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Old Jun 26, 2006 | 09:55 PM
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I fixed mine by changing the TPS and resetting my ECU. Get a KEFICO TPS, if you have a Dae Sung, that is the problem.
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Old Jun 27, 2006 | 02:10 PM
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yes, i am supercharged, i think this code appear after i installed the walbro 255lph and fuel injectors 530cc
i am running 7 psi, i had to set FPR at arround 20-25 psi, was at 45 and was running hella rich. ecu still stock no money for smt-6 yet laugh.gif

myabe that can be a cause?
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Old Jun 27, 2006 | 02:14 PM
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P1127 - the car ran rich for 30 seconds 2 continuous start cycles

Yep.
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Old Jun 28, 2006 | 10:41 AM
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Mines throwing the same if not a similar code.. It just came on today and havent noticed any loss in power... Ive had the same header and hollow cat for over a year now with no CEL... I did add on a 90 degree elbow to my intake to make it like the injen intake, if I am remembering right i think it was P1129 but it could have been P1127... It was the manufacturer control air fuel metering.. but am at a loss for an explaination...


Mods: intake with k&n, header, hollow cat, fidanza flywheel... and its got a Kiefco tps... Could this be the CEL from the canister being removed off the stock airbox?
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Old Jun 28, 2006 | 11:27 AM
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How can a fix this problem, maybe if i buy the smt-6 to management of the fuel so the computer wil lunderstand that now it have 530cc FI and not the stock's ones?

any other solutions?
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