Question about Volvo S60

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Volvo S60 2.4 se T eratic idle and has cut out. Always restarts

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Had the same problem where the idle would go to about 500rpm and 'cough', i.e. move up and down and not be stable. Got so bad that when I was in traffic recently the car stalled every time I came to a stop. Turns out I have a bad oxygen sensor as well as MAP sensor. Expensive parts (about $200 each) though not hard to replace. May want to check those first. MAP sensor I believe controls something with gas combining with oxygen in the engine (too much gas, not enough oxygen to combust). I would press the gas peddle and not get much response. I was flooding the engine because that sensor was bad and that's why it was stalling. All stuff I learned after my very uncomfortable experience recently. I have a 2003 S60.

Posted on Jun 24, 2009

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Check for recall on your car. may need the free computer upgrade.

Posted on Aug 09, 2009

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YOU MAY HAVE A IDLE SPEED CONTROL VALVE PROBLEM, CLEAN IT FIRST, THEN DISCONNECT THE BATTERY, FOLLOW THE PROCEDURE I HAVE ATTACHED.

Here is the most common cause of this stall and idle speed issues, it is the idle speed control air-bypass valve and throttle valve, they get full of gunk over the miles and cause idle issues (stalls) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Nov 07, 2008 | 2000 Volvo S40

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