Two problems related to engine cooling system have been reported for the 2000 Volvo S40. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Volvo S40 based on all problems reported for the 2000 S40.
Unintended acceleration occurred with car in drive. Car began to accelerate slowly increasing speed with foot off accelerator. Pulled up on accelerator with no results. Put car into neutral and rpm increased to 6000 rpm then back to 750 idle speed. Back into drive and engine accelerated again. Engine shut off via key then it wouldn't start again. Cranked but would not turn over. Dealer replaced ect because of failure of part.
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