Poor Engine Idle, Stalling, Hesitation – Especially When Cold on Ford E-350

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.

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Average mileage: 180,784 (160,000–201,569)
Engines affected: 5.8L V8, 7.3L V8 Diesel
2 model years affected: 1990, 1991
4 people reported this problem
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1991 Ford E-350 - 7.3L V8 Diesel 201,569 mi,
won't start in morning . have to start with either. but after it has been started it starts