Ford
E-150
3

Poor Engine Idle, Stalling, Hesitation – Especially When Cold on Ford E-150

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 150,000 (150,000–150,000)
Engine affected: 4.6L V8
3 model years affected: 1990, 1991, 1999
3 people reported this problem
Comments
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Low idle, hesitation, pinging, difficult to keep engine on while "cold". Wastes a lot of gas, stalling. A/C intermittenly gets cold, then turns off. Seems like the idle has more "air" then "power".