GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

P0171. Noooooooo. Help me.

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Old 08-22-15, 11:47 PM
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Rellgeta
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Default P0171. Noooooooo. Help me.

Question. I just drove from Dallas to Houston for the day and I just got code p0171 lean bank 1. Could it be my maf sensor. I just got this code. What were y'all experience.
Old 08-23-15, 01:46 PM
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Mr Jokster
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Yea, could be the maf. Also, check and see if there are any cracks in the intake tube between the maf and the throttle body. I'm finding that this is becoming common. A crack or hole in the tube after the maf can cause a lean code as well.
Old 08-23-15, 06:49 PM
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wbmx1981
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Originally Posted by Mr Jokster
Yea, could be the maf. Also, check and see if there are any cracks in the intake tube between the maf and the throttle body. I'm finding that this is becoming common. A crack or hole in the tube after the maf can cause a lean code as well.
Take out the maf and do a good cleaning for safe measures. You can also YouTube and watch a maf cleaning video.
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