Engine Controls - Tests W/O Codes - 7.3L Diesel: Symptoms: Notes
Symptom checks cannot be used properly unless problem occurs while vehicle is being tested. To reduce diagnostic time, ensure SELF-DIAGNOSTIC CIRCUIT TESTS in the TESTS W/CODES - 7.3L DIESEL article were performed before diagnosing a symptom. Symptoms available for diagnosis are as follows:
- No Crank/Slow Crank
- Stalls After Start
- No Start/Normal Crank Or Hard Start/Long Crank
- Engine Will Only Idle
- Slow Return To Idle
- Engine Runs Rough (While Driving)
- Fast Idle
- Runs Rough, Misses, Buck/Jerk, Hesitation Or Stumbles
- Surge (On Acceleration Or Cruise)
- Loss Of Power/Poor Fuel Economy
- Malfunction Indicator Light (MIL)
- Exhaust Smoke
- Cruise (Speed) Control Inoperative
- Transmission Control Indicator Light (TCIL)
- Improper Transmission Shift
- High Oil Consumption/Leaks
- Rough Idle/Stalls When Engaging Clutch