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The mkiv Supra Owners Club

update on boost problem


a98pmalcolm

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I sorted out the 1 Bar buisness with adjusting my boost controller.

 

Now, when the car is cold its perfect! nice, quick and well fun ;)

But when it warms up after a lil bit of driving, the boost problem starts around 5000 RPM on wards.

Inoticed b4 the boost cuts back a deep whiste of air releases then the boost its lost.

 

So somewere under large boost when warm its escaping out the system. Possiable wastgate problem? maybe actuator issue?

 

Your thoughts would be appreciated.

 

Thanks as always

 

Paul

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I wouldn't go on boost when the car is cold fella :)

 

Are you 100% sure the second turbo is kicking in?

 

Well the car isnt cold cold, to temp in inbetween like it should be, its after a drive it happens.

 

Yer im sure the 2nd tubo just kicks in coz you feel it at around 4000PRM then btween 5 and 6000 RPM the car started to cut back.

 

And when it happens there seems to be an every so slightly lil but more oil coming out the dump valve.

Edited by a98pmalcolm (see edit history)
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