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The mkiv Supra Owners Club

Boost controller malfunction


bromy

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thats the "Comms error" so check the 3 pin harness which runs to the Soliniod in the engine bay. Check its connectors and if it still shows the problem it can sometimes be a break in one of the 3 wires in the harness. You will need to check the wires for continuity. I would also check the plugs on the control unit are ok aswell.

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