stalling on 1994 Mercury Grand Marquis

engine stalls while waiting at long traffic lights. engine Hot A/C off Transmission in D starts no problem right after 180000 Km plug and wires :new Any ideas? Thank you

by in Plattsburgh, NY on September 13, 2009
1 answer
ANSWER by , September 13, 2009
Your air induction system is sludged up, especially your idle air control motor and passages. You need a complete fuel injection service.