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The mkiv Supra Owners Club

Low idle and incorrect boost on gauge.


ATB

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As some of you know I have issues with my power steering pump which I will be replacing soon. I tried to flush out the reservoir earlier and after that I got Idle problems, instead of 1800-1900 rpm on cold start it starts at 1100 and goes down to 500 very quickly. As I am BPU my normal max turbo pressure is 1.2 Bar now it won't go higher then 1 bar. The car feels normal and pulls strong.

 

I've been looking for cracked vacuum hoses for hours without finding anything, so if anyone has a good starting points I'd be very happy.

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Okay after some hours on google I read that a guy had his battery out and as a result the ECU got reset and the car idled low for a while before going back to normal a couple of days later. While I flushed the reservoir I also had the battery out (twice). Could this be the cause of my idle problem?

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