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12-05-2016, 02:27 PM | #1 | |
AF Regular
Join Date: Apr 2004
Location: Spring, Texas
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Code P0174 lean bank on STS V8 North*
anyone got any ideas on what might be wrong with the V8 North* with a "lean bank" code P0174. It says possible mass air flow module or vacuum leak, checked manifold bolts and most places where a vac leak might be, nothing suspicious, will prob have to visit a Stealership to get repaired, but thought I'd check the brain trust here first. BTW it runs fine so whatever it is must not be too serious. Thanks!
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12-05-2016, 03:05 PM | #2 | |
A990 racer
Join Date: Mar 2002
Location: Chestertown, New York
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Re: Code P0174 lean bank on STS V8 North*
Could be a weak injector, dirty maf if so equipped, air getting behind the maf ducting. Try a couple of bottles of Chevron techron per instructions on the bottle ,give it time to work.
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12-06-2016, 11:17 AM | #3 | |
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Re: Code P0174 lean bank on STS V8 North*
Anything out of a bottle is worth a try, thanks!
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