If the car is starving for fuel or air (low power at idle), the car will stall while turning.
possible bad TPS, IAC, or ECT sensors
A very low idle can cause a 97 Ford Taurus to stall. Another reason for stalling may be transmission bands sticking, which does not allow the transmission to come out of gear on idle.
A vacuum leak or a faulty IAC (Idle Air Control) valve.
Check for leaks in vacuum hoses, check for a cracked or gunked up Idle Air Control valve, and check you throttle positioning sensor.
Check the Park Avenue EGR valve for a clog. A clogged valve can cause a rough idle and stall at a light.
It sounds like low fuel pressure could be a real possibility. It could be a partially blocked filter, weak fuel pump or a faulty fuel pressure regulator.
Could be a number of reasons. Visit www.mercedes190.co.uk
If it stalls at idle or when slowing down, it could be a fuel filter. Or it could be the ignition control module.
Bad Valves or fuel pump usually from redlining the care
Possibly a stuck or sticking EGR valve.
There are several things that can cause your 2004 Chevrolet Trailblazer to idle rough. The most common causes are a dirty fuel filter or a dirty air filter.