front o2 sensor

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Old Jul 25, 2007 | 04:40 PM
  #16  
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I got news for you. Running changes like the brakes don't make it a '00.

99's have a hot film MAF. Besides wondering how you got a 00-01 intake designed for a car with no MAF sensor in the main intake path and MAP sensor in the manifold to fit on a 99 and keep the MAF sensor, any vibration on the 99's with the hot-film MAF will kill them in short order.......like if you install a CAI without the necessary (and preferably additional) bracing and damping.

That's an expensive lesson to learn, man. Sorry.
Old Jul 25, 2007 | 04:42 PM
  #17  
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here is a bit of information. You may luck out and score the recall that took place in 2002

http://forums.nasioc.com/forums/showthread.php?t=210097

fake edit: eww nazioc
Old Jul 25, 2007 | 06:16 PM
  #18  
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well I don't kno if its my MAF thats bad. My car is still popping. i'm out of ideas and too tired to keep searching for the problem. i need to take it to a shop who can diagnose the problem. i was thinking of renting one from autozone but I wouldn't know how to pull the code anyways.
Old Jul 25, 2007 | 09:20 PM
  #19  
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Originally Posted by jasonsong2004
well I don't kno if its my MAF thats bad. My car is still popping. i'm out of ideas and too tired to keep searching for the problem. i need to take it to a shop who can diagnose the problem. i was thinking of renting one from autozone but I wouldn't know how to pull the code anyways.
if you have a 99 2.5, and you used an aftermarket intake, chances are that your MAF went bad

they were notorious for blowing out just by looking sideways at them. I have a feeling thats your problem.

take your car to a shop and they can confirm it.
Old Jul 25, 2007 | 09:26 PM
  #20  
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Originally Posted by jasonsong2004
well I don't kno if its my MAF thats bad....





i'm out of ideas.

um? Maybe thats your problem. Can someone comfirm that a tractrix cable would work with his car? If so i may be able to pull the codes with my laptop..
Old Jul 26, 2007 | 12:29 AM
  #21  
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i'll have to take it on fri morning to a shop thats close by since it's not running well at all. anyone know of one that does it for free???
Old Jul 26, 2007 | 06:48 AM
  #22  
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You get what you pay for........
Old Jul 26, 2007 | 07:08 AM
  #23  
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Originally Posted by jasonsong2004
i'll have to take it on fri morning to a shop thats close by since it's not running well at all. anyone know of one that does it for free???
Does what for free?
Old Jul 26, 2007 | 07:25 AM
  #24  
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BTW

How long after you touched it, did the car start running poorly?
Did you check all of the hose connections?

Can you, by modulating the gas pedal, get the rpm to increase?
If so, does the car run smoothely in the higher rpm range?

If yes, then you most likely have a vacuum leak after the MAF, or the MAF is toast.

I can get you a new MAF today for $350.
Old Jul 26, 2007 | 11:46 AM
  #25  
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Might as well bring it to paul. He's literaly throwing answers at you. Save yourself the trouble and $$$ by bringing it to paul and have it fixed right.
Old Jul 26, 2007 | 05:32 PM
  #26  
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Originally Posted by Paul@dbtuned
BTW

How long after you touched it, did the car start running poorly?
Did you check all of the hose connections?

Can you, by modulating the gas pedal, get the rpm to increase?
If so, does the car run smoothely in the higher rpm range?

If yes, then you most likely have a vacuum leak after the MAF, or the MAF is toast.

I can get you a new MAF today for $350.
It started running poorly a month ago before I even touched it. When I tightened the bolts on my axel back, the next day, it wasn't drivable. thats where i've been since. i checked and rechecked all my hose connections. everything seems to be in place.

yes, the rpm does increase and when i'm gassing it, the popping noise is gone but as soon as I let go, the noise comes back.

how can i fix the vacuum leak? i'd hope it wont be the MAF since I didn't touch it. didn't kno those things are that expensive tho..i'm gonna hopefully get it checked tomorrow by a shop down the block first jus before i go out and spend some more money repairing it. thanks for all the help. i'd bring it to Paul but he's too far from me. it's not exactly drivable at the moment for long distances.
Old Jul 26, 2007 | 05:53 PM
  #27  
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i'm just gonna bring it in to a shop and have it diagnosed once and for all. the rotten egg smell is definitely there. i'm thinking it has something to do with the fuel...that seems to be the only thing that stands out most. my engine seems to be shaking a little more than usual too...i'll let ya know the verdict of it tomorrow.

Last edited by jasonsong2004; Jul 26, 2007 at 06:43 PM.
Old Jul 26, 2007 | 09:27 PM
  #28  
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i had the same problem on my 05. they found out that the maf was bad and replaced it. 1 week later the problem came back. then i had the wires check and some wires were found to be bad in the engine through the firewall. they fixed the bad wires. 3 days later the problem came back. they then decided to drop the engine and check all sensors. they replaced the sensors before the uppipe. it seemed to have fixed it. not sure if it did or not. didn't drive it since i went back to stock and sold it to carmax. my problem first showed syptoms of high rpm at over 1k. then the sputtering, fuel smell, and loss of power showed up. Cost me a fortune. Hope that you find out whats wrong.

btw only had up pipe, tbe, and snorkel delete.

Last edited by abbfanuc; Jul 26, 2007 at 09:34 PM.
Old Jul 26, 2007 | 10:31 PM
  #29  
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well I hope it's not the MAF cas that's a pretty expensive part. I hope the diagnostic will show that it just needs adjustments and no new parts. The wierd thing is, it just all happened so suddenly. Well I guess it showed signs of it but i didn't think my car would behave this way. well I hope all goes well tomorrow morning. This is the first time I've had this kind of problem. The only thing I got on the car is a CAI and axel back.
Old Jul 27, 2007 | 07:10 PM
  #30  
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Alright I got the codes for the engine....it is p1510,1516,0301....I'm not sure what idle air control solenoid signal is so I will do some more research.....



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