Question about 1993 Volvo 940

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'93 940 no turbo engine stuck at max RPM

Bought used week ago ran OK for 3 days then while driving the engine went to max RPM. Checked & disconnected throttle cables, chkd butterfly valve and throttle body, all working freely my efforts have had no effect. When you start the engine it immediatly revs to max RPM wether it is cold or hot.

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YOU IDLE CONTROL VALVE IS GOING BAD ON YOU. TRY TO CLEAN IT BUT BEST TO JUST REPLACE. LOCATED UNDER INTAKE MANIFOLD

Posted on Dec 30, 2008

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Posted on Jan 02, 2017

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