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The mkiv Supra Owners Club

Confused with 1st turbo


AlexJames

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Hey peeps... slightly confused here...

 

I was forced to give it some beans:eyebrows: while cold (which i dont normally do, had a car coming up my ass fast)

 

Anyway, after that, the 1st turbo doesnt seem to boost correctly, i usually get about 0.8bar but im getting a max of 0.6 at the mo, 2nd comes on fine and hits 1.1 or over so no probs there..

 

It does feel a bit odd sometimes too... it seems the 1st turbo doesnt spool as soon as it used to..and on the odd occasion when the dumpvalve lets off, there is a very low pitched and quiet whistle also... but thats very rare...

 

Perished/split pipes?

 

Edit: am thinking of going ttc? reckon it might solve/expose the problem?

Edited by AlexJames (see edit history)
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