# why do repair shops suck

**URL:** https://forums.speedlife.net/t/why-do-repair-shops-suck/247805
**Category:** Shift518 Off Topic
**Created:** [October 23, 2009, 5:32pm UTC](https://forums.speedlife.net/t/why-do-repair-shops-suck/247805 "2009-10-23T17:32:01Z")
**Posts on this page:** 1
**Showing post:** 9

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### Author: ![underboosted](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/underboosted/32/6424_2.png) [@underboosted](https://forums.speedlife.net/u/underboosted)
#### Post date: [October 23, 2009, 5:43pm UTC](https://forums.speedlife.net/t/why-do-repair-shops-suck/247805/9 "2009-10-23T17:43:31Z")

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> [@Unrelated "Carbon Fiber Pole" Project \*PHASE 2 Complete\*](https://forums.speedlife.net/t/unrelated-carbon-fiber-pole-project-phase-2-complete/22396/186):
>
> well dont ya know if the exh is on it the intake overheats duhhhhhh

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.

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