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.
Accelerated Warm-Up System (AWS) Valve
Make sure fast idle cam has released throttle lever. See Fig 1 . Disconnect AWS valve electrical connector. Connect ohmmeter to AWS valve 2-wire connector. See Fig 3 . Measure resistance. Resistance should be 9.3-11.3 ohms at 68°F (20°C). If resistance is not within specification, replace AWS valve.
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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.