Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Global Customer Symptom Code (GCSC) Chart
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods .
| Symptom | Action |
|---|---|
| Driver Aid and Information > Warning Indicators/Messages/Chimes > Electronic Throttle Control (Wrench Image) > Stays On | GO to Pinpoint Test Z |
| Driver Aid and Information > Warning Indicators/Messages/Chimes > Service Engine Soon (Engine Image) > Stays On | GO to Pinpoint Test Z |
| Driver Aid and Information > Warning Indicators/Messages/Chimes > Transmission > Stays On | GO to Pinpoint Test Z |
| Start/Run/Move > Starting > No Crank > Always | GO to Pinpoint Test C |
| Start/Run/Move > Starting > No Crank > Intermittent | GO to Pinpoint Test Z |
| Start/Run/Move > Starting > Slow Crank/Battery > Intermittent | GO to Pinpoint Test Z |
| Start/Run/Move > Starting > Hard Start/Long Crank > Always | GO to Pinpoint Test C |
| Start/Run/Move > Starting > Hard Start/Long Crank > Intermittent | GO to Pinpoint Test Z |
| Start/Run/Move > Starting > Auto-Start-Stop > Inoperative | GO to Pinpoint Test Z |
| Start/Run/Move > Moving > Upshift Quality > Intermittent | GO to Pinpoint Test Z |
| Start/Run/Move > Moving > Downshift Quality > Intermittent | GO to Pinpoint Test Z |
| Driving Performance > Runs Rough > All Running Modes > Intermittent | GO to Pinpoint Test Z |
| Driving Performance > Idle Quality > Rolling > Intermittent | GO to Pinpoint Test Z |
| Driving Performance > Stalls/Quits > At Idle > Intermittent | GO to Pinpoint Test Z |
| Driving Performance > Backfires > At Idle > Intermittent | GO to Pinpoint Test Z |
| Driving Performance > Backfires > Acceleration > Intermittent | GO to Pinpoint Test Z |
| Driving Performance > Backfires > Deceleration > Intermittent | GO to Pinpoint Test Z |
| Driving Performance > Lack/Loss of Power > Acceleration > Intermittent | GO to Pinpoint Test Z |
| Driving Performance > Lack/Loss of Power > Cruise/ Steady Speed > Intermittent | GO to Pinpoint Test Z |
| Driving Performance > Spark Knock > Acceleration > Intermittent | GO to Pinpoint Test Z |
| Driving Performance > Spark Knock > Cruise/ Steady Speed > Intermittent | GO to Pinpoint Test Z |
| Driving Performance > Poor Fuel Economy > Highway Driving > Unloaded | GO to Pinpoint Test Z |
| Driving Performance > Poor Fuel Economy > Combined > Unloaded | GO to Pinpoint Test Z |
| Driving Performance > Hesitates/Stumble > Acceleration > Intermittent | GO to Pinpoint Test Z |
| Driving Performance > Hesitates/Stumble > Cruise/ Steady Speed > Intermittent | GO to Pinpoint Test Z |
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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