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P0103 issue

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Old 04-27-2017, 06:35 PM
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Default P0103 issue

I have converted my wife's 96 trans am to a slightly unstock ls2 . I can't seem to figure out why I am getting this code . I borrowed the tune from a friend of mines car that is very simular . The p0103 code keeps coming back and the Trans (a4) won't go into lock up ........ any help on this matter would be extremely helpful

Last edited by GREAT_WHITE; 04-27-2017 at 07:15 PM.
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Old 05-02-2017, 02:29 PM
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anybody have ANY helpful input ? am i the only one that has had this issue ??
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Old 05-02-2017, 02:52 PM
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You might ask a mod to move this over to the tuning section, you will probably get more help there....

T,
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Old 05-02-2017, 03:05 PM
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Potential causes for this trouble code may include:
Dirty or contaminated mass air flow sensor
Failed MAF sensor
Intake air leaks
MAF sensor electrical harness or wiring problem (open, shorted, frayed, poor connection, etc.)

Read more at: https://www.obd-codes.com/p0103
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Old 05-02-2017, 03:55 PM
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Switch the MAF and see if it goes away. Does it shift okay otherwise just no lockup?

Does your buddy have same stall/trans combo? Many questions to be answered. Most of the time its not as transparent to just switch tunes to another car...

T,

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Old 05-02-2017, 09:04 PM
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If your buddy's tune is a speed density tune, p0103 will be set. If the pcm picks up any misfires it won't go into lockup.
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