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1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 12-01-2009, 01:11 PM   #1
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Lightbulb Need Help With A Code

OK today my Check Engine came on in it has gave me this code :

P0102
MAF of VAF Circuit Low Input

so what does this mean in what do i need to fix it , I just hope this fixes the problem : )

thanks for the help !

I hope it don't cost to much money ! I'm a poor college kid
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Old 12-01-2009, 01:25 PM   #2
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For starters you wou need a scanner to read the MAF Hz. It should be more than 1200 Hz.
Some things to externally check would be: a blockage to the MAF sen screen, vaccum leaks, If you don't see any of these things You could also try to clean the MAF with approved cleaner. I think Autozone etc sells a spray cleaner that can clean the sensor wire.
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Old 12-01-2009, 01:31 PM   #3
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For starters you wou need a scanner to read the MAF Hz. It should be more than 1200 Hz.
Some things to externally check would be: a blockage to the MAF sen screen, vaccum leaks, If you don't see any of these things You could also try to clean the MAF with approved cleaner. I think Autozone etc sells a spray cleaner that can clean the sensor wire.
where is the MAF at on a 96 bonn SE , in where would i get a a scanner to read the MAF Hz. ?????
thanks for the help : )
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Old 12-01-2009, 02:36 PM   #4
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Here'* what you need to check. https://www.gmforum.com/t284077/#post1390963

Do you have a oiled air filter? These can coat the MAF wire and cause problems if over oiled.
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Old 12-01-2009, 03:50 PM   #5
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Old 12-01-2009, 04:28 PM   #6
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Thanks y all hope it fixes it , im going to try to do it now thanks agin , keep u up dated
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Old 12-01-2009, 07:49 PM   #7
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well on the update, i took the MAF out in cleaned it with MAF cleaner, in let it dry in then put it back in there, went about 10 to 20 miles out in it has not done it yet ! Ole in by the way DAN you or the man ! "Do you have a oiled air filter? These can coat the MAF wire and cause problems if over oiled "
yes i have a K & N in i oiled it allot last time i cleaned it ,

but it ran real good after i cleaned it , thanks to all that help.... hope that helps me on that !

now on to the next problem : ) thanks
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Old 12-01-2009, 07:50 PM   #8
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Thanks : )
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Old 12-01-2009, 08:24 PM   #9
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It takes time for the oil to coat the wire. I'm willing to bet that was your problem. More oil don't make it work better. Just a lite spray is all that'* needed.
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Old 12-01-2009, 08:29 PM   #10
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It takes time for the oil to coat the wire. I'm willing to bet that was your problem. More oil don't make it work better. Just a lite spray is all that'* needed.
ok thanks man you really help me !
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