Section 2 (Engine Controls - Trouble Shooting - No Codes - EEC-V - Gasoline & NGV)
WARNING: This page is about a different variant/trim than selected.
- Introduction
- Symptoms
- Notes
- Symptom Diagnosis
- Rough Or Rolling Idle, Stalls, Misses, Hesitation Or Surge
- Notes
- Preliminary Checks
- Symptom Checks Using Scan Tool PIDs
- Engine Runs Rough At Idle
- Engine Now Starts, But Stalls In Park Or Neutral
- Miscellaneous Component Or System Checks
- Natural Gas Vehicles With Rough Idle
- Idle Concerns With A/C On (Continental, LS, Thunderbird & Windstar)
- Additional Intermittent Testing
- Additional Checks
- Hard Start/Long Crank Or Erratic Start/Crank
- No-Start/Normal Crank
- Slow Return To Idle
- Fast Idle Or Diesels/Runs On
- Low Idle (Stalls On Deceleration)
- Backfires
- Lack/Loss Of Power
- Spark Knock
- Poor Fuel Economy
- Vehicle Fails Emissions/Emissions Compliance
- Hissing Sound When Removing Fuel Cap
- Excessive Fuel Odor
- Unable To Refuel Vehicle
- Warning Indicator Lights
- Notes
- Preliminary Check
- Pickups With Power Takeoff (PTO) & MIL Concern
- MIL Always On When Engine Is Running, No DTCs Are Present
- TCIL Always On When Engine Is Running, No DTCs Are Present
- MIL Inoperative (Including Bulb Check When Engine Is First Started)
- Transmission Control Indicator (TCIL) Inoperative
- Temperature Warning Indicator Light Or Temperature Gauge Inoperative (Models With CHT Sensor Only)
- SIL Always On Or Inoperative
- Fuel Cap Indicator Light Always On Or Inoperative
- Additional Intermittent Testing
- Automatic Transmission Down Or Upshift, Or Engagement Concern
- Speedometer Or Tachometer Inoperative
- High Oil Consumption
- Electric, Hydraulic Or VISCTRONIC Cooling Fan Inoperative
- Electric, Hydraulic Or VISCTRONIC Cooling Fan(S) Always On
- Exhaust Smoke
- Fuel Odor
- Engine Noise
- Climate Control (Lack Of A/C Cooling, A/C Always On Or A/C Inoperative)
- Exhaust Odor (Sulfur Smell)