I was climbing a hill when felt a hesitation on my truck, started running little rough above 66 mph, no check engine light, check for codes found code 46 checked oil level ok, oil pressure reads 59 at 66 mph, any suggestions will be appreciated thanks in advance.
2005 peterbilt 387 C15 accert flash code 46
Discussion in 'Peterbilt Forum' started by G535600, Jan 26, 2018.