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.
Visual Check
Perform the following, and make all necessary repairs before continuing with QUICK TEST:
- Inspect air cleaner and inlet ducts.
- Check all engine vacuum hoses for damage, leaks, cracks, kinks and/or improper routing.
- Inspect system wiring harness for proper connections, bent or broken pins, corrosion, loose wires and proper routing.
- Check alternative fuel tank(s) for adequate CNG or LPG level.
- Check Powertrain Control Module (PCM), sensors and actuators for physical damage.
- Check AFCM (on Contour) for physical damage.
- Check compuvalve, sensors and actuators for physical damage.
- Check engine coolant for proper level and mixture.
- Check transmission fluid level and quality.
- Check Inertia Fuel Shutoff (IFS) switch set.
- Ensure vehicle maintenance schedule has been followed.
- Ensure vehicle battery is fully charged.
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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