Volvo S40 owners have reported 3 problems related to engine (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Volvo S40 based on all problems reported for the S40.
The engine dies intermittently once every six months. This normally happens when making a right turn or slowing down. All of the warning lights in the dashboard light up. The gear must be put back in park, must turn off the ignition and then re-start again. The first time it happened, I thought it might have been a fluke, the second time I took it in they changed a valve in the engine, the third time they kept the car for 2 weeks and they changed the air compressor and positive/negative battery cables (they had a Volvo of north America technician come down). The last time it happened was Friday, August 19, 2005. I've called the dealership and they don't seem to want to take my call.
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all problems of the 2004 Volvo S40
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A 1010 wins new story alerted me to the fact that I am having the same exact problems with my Volvo S40 VIN#: yv1vs29521f616155. I lose speed as I am driving and the engine feels as if it is going to stop at any moment. The year of the vehicle is 2001.
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all problems of the 2001 Volvo S40
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Multiple failures. Air bag system, problem starting and noise in steering. The vehicle also had an air condition problem. The air bag light illuminated on 3 occasions. The consumer stated the passenger seat was equipped with a device that weighed passengers to determine if the air bag should be activated.