car stalls, restart & stall once in dr or rev. Sat 30 min & ok to drive. on 2003 Volvo C70

Now hisses when I accelerate. No dash lights on. This just started yesterday & mechanic wants to test turbo. Any ideas? thx!

by in Wailuku, HI on June 23, 2013
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1 answer 1 comment
ANSWER by , June 26, 2013
Check all the intake pipes, hoses, and the intercooler for leaks. Is the check engine light on?
COMMENT by , June 26, 2013
Thank you for the input. Turns out one of the motor mounts was broken & would move while cutting out the engine. Hose connected to turbo was also disconnected causing hiss.