Ford E-150 engine light activation and sputtering after 100 miles, suspected fuel/air issue unresolved by multiple mechanics on Ford E-150

Some Ford E-150 owners report experiencing engine light activation and sputtering after driving long distances, with unresolved fuel and air issues despite multiple mechanic visits. These owners often encounter ignition coil problems, which can lead to rough engine performance and trigger the check engine light. Additionally, a high idle may indicate faults in the idle control system or throttle body, necessitating inspection by mechanics. Intermittent sputtering after extended drives may suggest fuel delivery or air intake issues, prompting a thorough examination of these systems for blockages or malfunctions. Engine misfires, which can also cause sputtering, should be diagnosed to identify misfiring cylinders. Furthermore, fluid leaks affecting engine performance can lead to a loss of vital fluids. Stalling issues during deceleration or turning may be linked to fuel delivery problems or sensor faults, requiring checks on the fuel pump, fuel filter, and sensors. Lastly, extracting OBD1 diagnostic trouble codes can help pinpoint specific issues impacting engine performance. For unresolved problems, consulting a specialized mechanic or dealership with Ford expertise is recommended for a more comprehensive diagnosis.