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Old vehicle, new diagnostic method
Posted to Technical Tips Forum on 10/15/2018 21 Replies

There was some old fashioned driveability troubleshooting with a modern twist on this one. This 1989 F-250 came to me with a rough idle complaint. A road test confirmed that there was indeed a very rough idle, and a major lack of power under load because it ha... Login to read more.

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car Vehicle Data

1989 Ford F-250 Custom 5.8L

Engine5.8 L
Trans5-speed Standard

car Vehicle Data

1989 Ford F-250 Custom 5.8L

Engine5.8 L
Trans5-speed Standard