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Old 08-28-2008, 09:39 PM   #38 (permalink)
Markmysite
EcoModding Lurker
 
Join Date: Aug 2008
Location: Indy
Posts: 44

EcoVibe - '07 Pontiac Vibe base
90 day: 38.14 mpg (US)
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Thanked 6 Times in 2 Posts
Quote:
Originally Posted by wagonman76 View Post
Hmm, something big and obvious like the brake booster hose? Wouldnt surprise me with these clowns at the dealer.
And wagonman wins the prize... sort of

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So, the cause was a vacuum leak .... in the hydro-booster itself (same thing as a power brake booster, but hydraulic instead of vacuum) of all things. It wasn't the hose as they had checked that ... it was the unit itself. After spraying the entire engine to try and find the leak, they finally heard it near the brake booster.

So, in this whole process my car got:

- A new ScanGauge unit (and solid proof they are a great company)
- 4 brand new fuel injectors
- New O2 sensors
- New PCM
- A free cleaning of my mass air flow sensor
- And a clean engine since it was fully sprayed with carb cleaner.... lol
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