P015B & D

dlnelsonroca

Original poster
Member
Dec 3, 2014
36
Cacalote, Oaxaca, Mexico
On my 2013 Silverado a few months ago I got a check engine alert that mo. 7 fuel injector needed service. There was an occasional miss when the truck idled, but never constant. Then the check engine light would often go away, and a month later come back. I never could get to it. Now I'm getting a fairly regular P015B & D code with the check engine light on. Is this because of the fuel injector, or could both sensors be off at the same time? Or something else. Thanks for your advice!
 

Mooseman

Moderator
Dec 4, 2011
25,327
Ottawa, ON
Probably unrelated. You'd need a way to see live data to see what the sensor voltages are doing to confirm. They might just be getting lazy and need to be replaced.
 
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mrrsm

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Oct 22, 2015
7,710
Tampa Bay Area
It won't hurt to check over the Fuel Injector Harness either (and other areas under the hood) for the slightest signs of any Rodent "live-In" activity.

Deer Mice and other critters tend to gnaw incessantly on Wiring and Plastic Electrical Connectors, so be suspicious whenever you start getting strange codes and misfire events.
 
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