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.
1995 Ford Probe GT, AutomaticFACTORY OEM SERVICE PROCEDURE
Fuel Injector Test
- With engine idling or cranking (no start), use stethoscope to listen for consistent, operational sounds (clicking) coming from each injector. If operational sounds are present, go to FUEL INJECTOR LEAKAGE TEST . If operational sounds are not present, go to next step.
- Disconnect fuel injector connector and install injector test light (noid light) into injector connector. Start or crank engine. Observe whether light blinks, indicating completed circuit for injector being tested. Repeat test for each injector. If injector circuits check okay, go to next step. If any circuit fails test, turn ignition on. Check for 12 volts at each injector connector. If 12 volts are present at each injector connector, go to next step. If 12 volts is not present at each connector, repair wiring as necessary.
- Using DVOM, check injector resistance. Replace injector if resistance is not about 12-16 ohms at 68°F (20°C). If injector resistance is okay, go to FUEL INJECTOR LEAKAGE TEST .
Factory Service Tools
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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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