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The mkiv Supra Owners Club

0 bar boost! URGENT HELP PLEASE!


Mid_lifecry_sis

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I would be on the phone to green flag complaining that mechanic should have found that straight away , i told you on the phone it sounded like an IC pipe and he should have known what to look for , Paul E reinforced my opinion earlier when i spoke with him , ask green flag how 2 people diagnosed it on the phone /pc but their 'mechanic' couldnt find the problem when he was looking at the engine .

John:flame Dev

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Could the FCD hold the car back like this with out causing the standard cut affect and dash light display?

 

No.

 

The FCD will not affect boost build up in that way. If the device fails it normally fails catastophically and the car will not run. Never known it to fail any other way. Plus I tested yours by hand before I sent it. (Provided no-one touched the inside settings of the dials, but I doubt 99% that that would cause your symptoms)

 

 

It does sound like a boost bleed. If you hear the turbos spinning but no boost is building it might be being vented. So take a look at the intercooler pipes as suggested. The one that leads into the inner wing and down to the intercooler is a git to inspect so you might have missed it on first inspection.

 

Also get this checked out soon or you'll be sucking in all sorts of cr*p post air filter.

 

Too often the FCD is put high on the list of possible causes and more often it's actually the result of the increased boost the FCD allows that it the real cause. It normally uncovers the weakest link, happens to us all.

 

Regards

Pete

 

 

EDIT: Would help if I read ALL the postings first :) Glad it's sorted.

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