Question about 1996 GMC Sierra
My truck is showing all of these codes. Can one of them cause the rest to show up or is there something that can cause all of this? someone told me it could be the mass air sensor but I want some more input before spending 150.00 for the part.
I have a 1996 gmc truck the service ligth is on ckeck with code reader came up P0154 bank 2 senor 1 what is it?thank you
Posted on Dec 02, 2008
Yes these codes are associated with the MAF Sensor. One can trip the others as well. I would try removing the MAF Sensor and cleaning it first (brake cleaner or contact cleaner), then if that doesnt work I'd chalk up the bucks for a new sensor. Check this link for additional info on this http://www.obd-codes.com/p0174
Posted on Nov 15, 2008
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Posted on Jan 02, 2017
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System Too Lean (Bank 2)
Basically this means that an oxygen sensor in bank 2 detected a lean condition (too much oxygen in the exhaust.
Note: This DTC is very similar to P0171, and in fact your vehicle may show both codes at the same time.
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