Sludge build up on the throttle plate and/or idle air control valve can cause a poor engine idle, stalling, and/or hesitation – especially when the engine is still cold. The correction is to install a new idle air control valve spacer kit to prevent the sludge build up.
Poor Engine Idle, Stalling, Hesitation – Especially When Cold on Ford E-350
Average mileage: 180,784 (160,000–201,569)
Engines affected: 5.8L V8, 7.3L V8 Diesel
4 people reported this problem
1 person shared problem details
won't start in morning . have to start with either. but after it has been started it starts
Starts fine and runs great for 10 to 15 minutes. Then it starts running rough and idle goes up...
If engine idle rolls up and down, and diagnosis rules out Idle Air Control (IAC) valve issues...
my van has been stalling lately when I stop and put in reverse or after backing up and putting...