Section 206 (Engine Controls - Trouble Shooting - No Codes - 6.0L (99P F450/550) Diesel)
WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, 2003 Ford Excursion, and 2003 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Symptoms
- Symptom Diagnosis
- No Crank/Slow Crank
- Stalls Or Quits On Acceleration, Cruise, Deceleration Or Idle
- No-Start/Normal Crank, Erratic Start Or Crank, Hard Start Or Long Crank Or Stalls After Start
- Engine Will Only Idle
- Fast Idle Or Slow Return To Idle
- Rough Or Rolling Idle Or Stalls When Engaging Clutch
- Runs Rough, Misses, Bucks Or Jerks, Hesitation, Stumbles, Surges (On Acceleration Or Cruise), Lack Or Loss Of Power, Or Poor Fuel Economy
- Malfunction Indicator Light Concerns
- Exhaust Smoke
- Cruise (Speed) Control Concerns
- Tow/Haul Indicator Light
- Automatic Transmission Up Or Downshift, Or Engagement Concerns
- High Oil Consumption/Leaks
- Cooling Fan Does Not Operate Or Is Always On
- INTERMITTENTS
- Intermittent Problem Diagnosis
- Notes
- Recreating The Fault
- Accumulating PCM Data
- Comparing PCM Data
- Analyzing PCM Data
- Change Conditions To Cause Response By Input
- Change Input And Verify Output Response
- Coil Resistance (Solenoids/Relays)
- Harness Open
- Harness Shorts
- PCM Reset: Glow Plug Lamp Cycles On/Glow Plugs Recycle/Engine Stumble/Stalls/No Accelerator Pedal Authority Until Return to Idle Position
- Intermittent Problem Diagnosis