why do repair shops suck

[duuka]

@underboosted

Or if the exhaust is on you lose fuel pressure at WOT. When a Duramax maxes out at 32,000psi on the rail. The dealership said the exhaust decreased beck pressue which decreased fuel pressure, When a Diesel dosn’t read anything but exhaust temp from exhuast. WTF.

you need to get your shit programmed. rbp