Square-body service
Find the stall,
not the parts cannon
Pick year, F-150 / F-250 / F-350, and the engine that is actually in the truck. The oval pulls pinpoint tests, specs, and code charts for that configuration — TFI gas, 7.3 IDI, Power Stroke, and the 1997 F-150 Tritons.

Service bay
Configure this truck
Year, series, engine, then a symptom if you have one.
9th generation OBS (1992–1997 HD)
OBS fact
OBS is shop slang for Old Body Style — the 9th-gen trucks after Ford restyled the F-150 in 1997.
Waiting on the oval
Nothing is guessed until you hit the oval. Results stay locked to this year, series, and engine — and any symptom you typed.