Section 4 (Engine Controls - Tests W/O Codes): Symptoms: Notes
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 1993 Ford Ranger, 1993 Ford RV Cutaway, 1993 Ford Pickup, 1993 Ford F-Super Duty, and 1993 Ford Explorer. 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 steps in BASIC TESTING and appropriate TESTS W/CODES articles in the ENGINE PERFORMANCE section were performed before diagnosing a symptom. Symptoms available for diagnosis are as follows:
- No Crank
- Hard Start/Long Crank
- Stalls After Start
- No Start/Normal Crank
- Slow Return To Idle
- Rough Idle
- Fast Idle (Diesels/Runs On)
- Low Idle (Stalls On Deceleration)
- Hesitates Or Stalls
- Surge (On Acceleration Or Cruise)
- Backfires
- Loss Of Power
- Spark Knock
- Poor Fuel Economy
- Emissions Compliance
- Warning Indicator Lights
- Improper Transmission Shift
- High Oil Consumption
- Engine Runs Hot (Overheating)
- Engine Runs Cold
- Exhaust Smoke
- Sulphur "Rotten Egg" Smell
- Diesel Engine (Engine Induced Symptoms)
- Diesel Engine (Transmission Induced Symptoms)
- Engine Noise
- Vibration
- A/C System Not Functioning (Lack Of Cooling)
- A/C System Always On
- A/C Clutch Does Not Disengage Under WOT Conditions