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.
Section 2539 (Engine Controls - Pinpoint Test A: No Start Through Pinpoint Test DJ: Air Conditioner Evaporator Temperature (ACET) Sensor - CNG, Flex-Fuel & Gasoline)
2003 Ford Windstar BaseSECTION Section 2539 (Engine Controls - Pinpoint Test A: No Start Through Pinpoint Test DJ: Air Conditioner Evaporator Temperature (ACET) Sensor - CNG, Flex-Fuel & Gasoline)
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2004 Mercury Sable, 2004 Mercury Mountaineer, 2004 Mercury Monterey, 2004 Mercury Marauder, and 2004 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
- Pinpoint Test A: No Start
- Pinpoint Test B: Powertrain control module (PCM) Power Relay
- Pinpoint Test C: Reference Voltage
- Pinpoint Test DA: Intake Air Temperature (IAT) Sensor
- Pinpoint Test DC: Mass Air Flow Sensor
- Pinpoint Test DD: Fuel Rail Pressure (FRP), Fuel Rail Temperature (FRT) and Fuel Rail Pressure Temperature (FRPT) Sensors
- Pinpoint Test DF: Vehicle Speed Circuit Check
- Pinpoint Test DG: Knock sensor
- Pinpoint Test DH: Throttle Position (TP) Sensor
- Pinpoint Test DJ: Air Conditioner Evaporator Temperature (ACET) Sensor
RENDER: 1.0x
NO RELATED
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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.