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.
Fault difficult to detect when diagnostic trouble code P0106 is indicated: Criteria
Diagnostic trouble code P0106 exists to detect two faults by measuring the pressure in the intake manifold at rapid throttle closure. One fault is a too slow reaction on the absolute pressure sensor and the other is too high pressure in the intake manifold (which indicates air leakage).
When the throttle closes at high engine speed the pressure in the intake manifold must drop below 50 kPa within a certain time. If the pressure does not drop sufficiently or quickly enough then there is a problem with the absolute pressure sensor or leakage somewhere at the intake manifold.
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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.