Symptom Diagnosis
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.
Symptom checks cannot be used properly unless problem occurs while vehicle is being tested. To reduce diagnostic time, ensure self-diagnostics has indicated no faults are present before diagnosing a symptom. Diagnostics available for symptoms are as follows:
- NO CRANK/SLOW CRANK
- STALLS OR QUITS ON ACCELERATION, CRUISE, DECELERATION OR IDLE
- NO-START/NORMAL CRANK, ERRATIC START OR CRANK, HARD START/LONG CRANK OR STALLS AFTER START
- ENGINE WILL ONLY IDLE
- SLOW RETURN TO IDLE OR FAST 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
- CHECK ENGINE LIGHT CONCERNS
- EXHAUST SMOKE
- CRUISE (SPEED) CONTROL INOPERATIVE
- TRANSMISSION CONTROL INDICATOR LIGHT CONCERNS
- AUTOMATIC TRANSMISSION SHIFT CONCERNS
- HIGH OIL CONSUMPTION/LEAKS
- COOLING FAN DOES NOT OPERATE OR IS ALWAYS ON