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While cleaning MAF, I took it apart, the wrong way...??

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Old Oct 24, 2007 | 07:06 PM
  #1  
BORQUA79's Avatar
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While cleaning MAF, I took it apart, the wrong way...??

I decided to do a little maintenance on the max. I cleaned the throttle body, every thing went smoothly. I then decide to clean the MAF sensor... This is where I think I messed up???

I have a Injen CAI, so It was removed when I was at the TB. So I further disconnected the other pipes to the CAI and had the MAF all alone...

I must have read the instructions on the MAF cleaner wrong, because I started to remove the screws to hold the MAF harness to the MAF. They are these 4 screws on the MAF. I figured I would get to the sensor through there? I then pulled the harness socket with the metal prongs off.

After doing that I realized that I messed up. I thought I heard a snap so I quickly placed the harness socket back on and screwed it back. I was so pissed.

Anyway I then sprayed the wires like I should have in the first place and waited till it dryed and put every thing back together.

I had a check engine light from my O2 sensor that broke. I haven't checked it after this screw up...

Only now about a month after I messed up, my car starts to hesitate and turn off. It only happened twice, It would happen when I stopped at a red lights.

Now, was removing that harness connector a bad idea? Do you guys think i broke the sensor?

What now?

Thanks, guys
Old Oct 24, 2007 | 08:50 PM
  #2  
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No more Maximas...
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Find out what codes are being thrown, come back.

Last edited by pmohr; Oct 25, 2007 at 01:14 AM.
Old Oct 24, 2007 | 11:29 PM
  #3  
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the MAFS is most likely gone. if anything you should've just sprayed it, but even then it still might be messed up; as what happened to mine. either find a used one here on the org or prepare to spend mucho dinero (im not kidding) on one from the dealer. good luck.
Old Oct 24, 2007 | 11:56 PM
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If you end up needing another one, I have on for sale if your interested.
Old Oct 27, 2007 | 09:24 PM
  #5  
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Im gonna check my codes in the morning... I'll get back to you...
Old Oct 29, 2007 | 06:18 AM
  #6  
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Here are my codes:

1) 1001 Left Htd O2 sensor Htr

2) 0902 Rear Htd O2 sensor Htr

Thats all my codes?

No, MAF code??? I read some where about bad coil packs?? But wouldn't that throw a code as well???

Seems today the car wanted to stall again at a red light. I gave it some gas to keep her up again... What now?

Last edited by BORQUA79; Oct 29, 2007 at 06:28 AM.
Old Oct 29, 2007 | 03:56 PM
  #7  
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A MAF can start to go bad without throwing a code. When my second MAF started to go out my car was stalling a lot when coming to a stop but I never had a MAF code.
Old Oct 29, 2007 | 06:12 PM
  #8  
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+1 that happened to myself as well.
Old Oct 29, 2007 | 06:32 PM
  #9  
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me 2... another way to test is... tap the MAf while the car is idling... if it shuts off, its ur MAF.
Old Oct 29, 2007 | 07:29 PM
  #10  
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Originally Posted by MaxiiMa
me 2... another way to test is... tap the MAf while the car is idling... if it shuts off, its ur MAF.
Sounds interesting... i think I'll try that... Could it also be my Negative cable to the battery? Its loose since i put a new terminal that was too big...

I made a quick u-turn today and the car shut off again???
Old Nov 2, 2007 | 04:42 PM
  #11  
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Well went to the old mechanic... Got my O2 sensor relocated and changed... And the "new MAF sensor" Had to replace it... Now the car drives like a dream and no check engine lights, finally... I got used to that yellow light... But I wont miss it...

Thanks all...
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