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HOMESERVICE MANUALSCHEVROLET2008HHR LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 181 (PGM-FI SYSTEM)DTC TROUBLESHOOTINGDTC P0106: MAP SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM
2008 Chevrolet HHR LT, 2.4 P, Automatic

DTC P0106: MAP Sensor Circuit Range/Performance Problem

2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION DTC P0106: MAP Sensor Circuit Range/Performance Problem
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).
  1. Check for vacuum leaks at these parts:
    • PCV valve
    • PCV hose
    • Purge (PCS) line
    • Throttle body
    • Intake manifold
    • Brake booster
    • Brake booster hose

    Are there any leaks? 

    YES  -Repair or replace the damaged part(s), then go to step  7.

    NO  -Go to step 2.

  2. Start the engine. Hold the engine speed at 3,000 rpm without load (in P or N) until the radiator fan comes on, then let it idle.
  3. Test-drive the vehicle for 10 seconds in the range of these recorded freeze data parameters:
    • ENGINE SPEED
    • VSS
    • APP SENSOR
  4. Monitor the OBD STATUS for DTC P0106 in the DTCs MENU with the HDS.

    Does the screen indicate FAILED? 

    YES  -Go to step 5.

    NO  -If the screen indicates PASSED. Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the MAP sensor and the PCM. If the screen indicates NOT COMPLETED, go to step 2 and recheck.

  5. Turn the ignition switch to LOCK (0).
  6. Replace the MAP sensor (see KNOCK SENSOR REPLACEMENT ).
  7. Turn the ignition switch to ON (II).
  8. Reset the PCM with the HDS.
  9. Do the PCM idle learn procedure (see PCM IDLE LEARN PROCEDURE ).
  10. Start the engine. Hold the engine speed at 3,000 rpm without load (in P or N) until the radiator fan comes on, then let it idle.
  11. Test-drive the vehicle for 10 seconds in the range of these recorded freeze data parameters:
    • ENGINE SPEED
    • VSS
    • APP SENSOR
  12. Check for Pending or Confirmed DTCs with the HDS.

    Is DTC P0106 indicated? 

    YES  -Check for poor connections or loose terminals at the MAP sensor and the PCM, then go to step  1.

    NO  -Go to step 13.

  13. Monitor the OBD STATUS for DTC P0106 in the DTCs MENU with the HDS.

Does the screen indicate PASSED? 

YES  -Troubleshooting is complete. If any other Pending or Confirmed DTCs were indicated in step 12, go to the indicated DTC's troubleshooting.

NO  -If the screen indicates FAILED, check for poor connections or loose terminals at the MAP sensor and the PCM, then go to step  1 If the screen indicates NOT COMPLETED, go to step  10.

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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.