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.
Test Conditions
Codes P014, P015, P016, P021, P022, P026, P027, P031, P032 and P034 not set. Throttle switch open, throttle angle 5-25 degrees, coolant temperature 180-268°F (82-131°C), oxygen sensor ready (closed loop), RPM at least 800 and MAP at least 32 kPa. Canister purge occurred at full duty cycle for 2 minutes since engine was running and throttle angle 10 degrees or greater. Long term fuel trim not in effect.
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.