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2007 spanish d40. boost guage reads 0lb boost most of the…

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2007 spanish d40. boost...

2007 spanish d40. boost guage reads 0lb boost most of the tiime, occasionally spools out to 10lb, then shuts off and no boost again. EGT's go up quickly, but drop away again just as quickly. Blowing a lot of soot, seen in the rearview mirrors. I am guessing it's the turbo, as up until last Thursday the boost guage was operating with every plant of the foot.

Mechanic's Assistant: Are you fixing your Spanish D100 yourself? What have you tried so far?

D40, and will be fixing myself. The vehicle drives ok, but is underpowered, have ordered an aftermarket gt2056v turbo, just waiting for it to arrive.

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

No it's all I have. Just want, confirmation of my own diagnosis.

Submitted: 1 year ago.Category: Australia Car
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Answered in 3 days by:
8/21/2016
AU Auto Mechanic: sprinkles08, ASE Certified Technician replied 1 year ago
sprinkles08
sprinkles08, ASE Certified Technician
Category: Australia Car
Satisfied Customers: 24,193
Experience: ASE Master and Advanced level certified. Factory trained with 17 years dealership experience
Verified

Hello and welcome to JustAnswer!

It sounds as if the engine is going into limp in, or possibly there is an issue with the turbo itself or a boost leak. If there was a boost leak you should hear it hissing on acceleration. You may have an incorrect sensor reading causing it to go into limp in and limit power.

The first step in diagnosing the problem is to use a code reader or scan tool to see what fault codes are setting. Do you know what codes are setting?

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