2350 fuel pressure decay Fault code 4726
02-21-2021, (Subject: 2350 fuel pressure decay Fault code 4726 ) 
Post: #7
RE: 2350 fuel pressure decay Fault code 4726
I am positive on the rear end ratio . Insite also shows 3.73.


User's Signature: 2015 389 Peterbilt. ISX 550 18speed 3.70 gears
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RE: 2350 fuel pressure decay Fault code 4726 - SemiSweet - 02-21-2021



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