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Are you having problems with your Volvo 940? Let our team of motoring experts keep you up to date with all of the latest Volvo 940 issues & faults. We have gathered all of the most frequently asked questions and problems relating to the Volvo 940 in one spot to help you decide if it's a smart buy.
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VOLVO specialist John Johnson, of Voldat Automotive, recommends you start by cleaning the throttle butterfly. If there's a build-up it may not be properly returning to idle and sending an incorrect signal to the computer. If that doesn't work, try resetting the idle switch. Beyond those, you could check the idle motor to make sure it's operating correctly.