P0173 Code
Baja
Joined: Nov 2017
Posts: 5,020
Likes: 969
From: Green Bay, WI
You are not getting a MAF code either, yet you suggested it. Point is faulty things don’t necessarily generate codes. And when it’s specific to one bank, it’s usually a component specific to that side. A bad MAF would likely cause fault codes for both banks.
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Rock Crawling
Joined: Sep 2011
Posts: 330
Likes: 22
Originally Posted by DakotaTravler
You are not getting a MAF code either, yet you suggested it. Point is faulty things don’t necessarily generate codes. And when it’s specific to one bank, it’s usually a component specific to that side. A bad MAF would likely cause fault codes for both banks.
Last edited by sickws6; Jul 27, 2019 at 06:00 PM.
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Rock Crawling
Joined: Sep 2011
Posts: 330
Likes: 22
Changed MAF, changed PVC. New oil filler, found small crack on intake baffle, fixed that. Changed throttle body gasket. No signs of any vacuum leakes or intake. Still getting lean codes both banks now. I'll check fuel pressure next I suppose. Mpg is right on 14-16
Baja
Joined: Aug 2013
Posts: 6,907
Likes: 792
From: Huntington Beach CA
While running spray brake cleaner/starting fluid around the motor looking for leaks. Oil fill pipe, around injectors, etc.
If no change when spraying, assume MAF(both banks).
If that does not fix it a good BG fuel rail and intake cleaning should.
If no change when spraying, assume MAF(both banks).
If that does not fix it a good BG fuel rail and intake cleaning should.
