Jbw92 Posted November 28, 2021 Share Posted November 28, 2021 P009B P026C P016F 247-FMI 14 these are the codes I’m getting from a scanner.. I’ve looked some of them up with no luck of a solid issue. Can anyone help me out? Truck has no power. Turbo under high load makes a squeal noise more than a whistle and rough idle. TIA Quote Link to comment Share on other sites More sharing options...
0 Onyx610 Posted November 30, 2021 Share Posted November 30, 2021 Anything been done to the truck before these codes came up? Looks like from some quick looking around these are mostly fuel codes? One I see is for the fuel pressure relief valve, I would start there as that could be the cause for majority of these codes and the rough idle. Quote Link to comment Share on other sites More sharing options...
0 Jbw92 Posted December 5, 2021 Author Share Posted December 5, 2021 On 11/30/2021 at 6:58 PM, Onyx610 said: Anything been done to the truck before these codes came up? Looks like from some quick looking around these are mostly fuel codes? One I see is for the fuel pressure relief valve, I would start there as that could be the cause for majority of these codes and the rough idle. Not that I know of. It’s a 2019 with 173k on it. I did see one of the codes is a software update code. The post said it affects all I have happening, going to get it to Mack and see if they can do whatever update they made. Then go from there Quote Link to comment Share on other sites More sharing options...
0 Onyx610 Posted December 5, 2021 Share Posted December 5, 2021 Ok cool, hopefully that’s all it is. Post back with what you find out. Im curious. Quote Link to comment Share on other sites More sharing options...
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Jbw92
P009B
P026C
P016F
247-FMI 14
these are the codes I’m getting from a scanner.. I’ve looked some of them up with no luck of a solid issue. Can anyone help me out? Truck has no power. Turbo under high load makes a squeal noise more than a whistle and rough idle.
TIA
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