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.
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HOMESERVICE MANUALSPONTIAC2006G6 GTP, 2D COUPE, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 12 (ENGINE CONTROL SYSTEM - 2.4L - DTC P0010 TO DTC P0341)DTC P0102 OR P0103CIRCUIT/SYSTEM TESTINGDTC P0102
2006 Pontiac G6 GTP, 2D Coupe, Standard
DTC P0102
2006 Pontiac G6 GTP, 2D Coupe, StandardSECTION DTC P0102
WARNING: This page is about a different variant/trim than selected.
- Inspect the fuse in the ignition 1 voltage circuit of the MAF sensor.
- If the fuse is open, then test the spliced circuits and the components for a short to ground.
- Turn ON the ignition, with the engine OFF.
- Measure the battery voltage.
- Disconnect the MAF sensor.
- Connect a test lamp between the MAF sensor ignition 1 voltage circuit and a good ground.
- With the test lamp still connected, measure for battery voltage between the ignition 1 voltage circuit and a good ground.
- If the voltage is not within 1.5 volts of battery voltage, repair the high resistance or the open in the circuit.
- Measure for a proper range of 4.9-5.2 volts between the MAF sensor signal circuit and a good ground.
- If the voltage is less than 4.9 volts, test the circuit for a short to ground, an open or for a faulty ECM.
- If the voltage is more than 5.2 volts, test the circuit for a short to voltage or for a faulty ECM.
- Turn OFF the ignition and all electrical accessories. Allow sufficient time for the control module to power down before taking a resistance measurement.
- Measure for a proper value of less than 5 Ohms of resistance between the ground circuit of the MAF sensor and a good ground.
- If the resistance is more than 5 Ohms, repair the high resistance or the open in the ground circuit.
- Connect the J 38522 to the vehicle. See Special Tools . Refer to Component Testing .
- Start the engine and observe the MAF Sensor parameter for a proper range of 4,950-5,025 Hz.
- If the MAF Sensor parameter is not within the specified range, replace the ECM.
- If the MAF Sensor parameter is within the specified range, replace the MAF sensor.
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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.