Q: stalling on 1994 Mercury Grand Marquis

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
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
(1) Answer
Your air induction system is sludged up, especially your idle air control motor and passages. You need a complete fuel injection service.
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