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HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 383 (ENGINE CONTROL SYSTEM - 5.3L - DTC P0136 TO DTC P0446)DTC P0341TEST DESCRIPTION
2006 Chevrolet Cobalt SS, 4D Sedan, Standard

Test Description

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Test Description
WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

  1. 4:  This step inspects for electromagnetic interference (EMI) on the CMP circuits.
  2. 7:  Damage to the face of the sensor could indicate material passing between the CMP sensor and the reluctor wheel. This condition could cause this DTC to set. Damage to the reluctor wheel would affect the CMP sensor output signal.
DTC P0341

Step Action Yes No
Schematic Reference: Engine Controls Schematics
Connector End View Reference: Engine Control Module (ECM) Connector End Views or Engine Controls Connector End Views
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2 Is DTC P0340 also set? Go to Diagnostic Trouble Code (DTC) List - Vehicle Go to Step 3 
3
  1. Observe the Freeze Frame/Failure Records for this DTC.
  2. Turn OFF the ignition for 30 seconds.
  3. Start the engine.
  4. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records.
Did the DTC fail this ignition?		 Go to Step 4  Go to Testing for Intermittent Conditions and Poor Connections
4 
  1. Visually and physically inspect all circuits going to the camshaft position (CMP) sensor for the following:
    • The wire harness routed too close to the secondary ignition wires or components
    • The wire harness routed too close to the aftermarket add-on electrical equipment
    • The wire harness routed too close to the solenoids, relays, and motors
  2. If you find the wiring harness incorrectly routed, then position the wire harness correctly. Refer to Harness Routing Views .
Did you find and correct the condition?		 Go to Step 10  Go to Step 5 
5
  1. Disconnect the CMP sensor electrical connector.
  2. Test for an intermittent and for a poor connection at the CMP sensor wiring harness electrical connector and the mating connector on the CMP sensor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 10  Go to Step 6 
6 Test for an intermittent and for a poor connection at the engine control module (ECM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 10  Go to Step 7 
7 
  1. Remove the CMP sensor. Refer to Camshaft Position (CMP) Sensor Replacement .
  2. Visually inspect the CMP sensor for the following conditions:
    • Physical damage
    • Excessive wear of the sensor
    • Loose or improper installation
    • The sensor coming in contact with the reluctor wheel
    • Foreign material passing between the sensor and the reluctor wheel
Did you find and correct the condition?		 Go to Step 10  Go to Step 8 
8 Visually inspect the CMP sensor reluctor ring or camshaft gear for the following conditions:
  • Physical damage
  • Excessive end play or looseness
  • Loose or improper installation

Did you find and correct the condition?		 Go to Step 10  Go to Step 9 
9 Replace the CMP sensor. Refer to Camshaft Position (CMP) Sensor Replacement .
Did you complete the replacement?		 Go to Step 10  -
10
  1. Clear the DTCs with a scan tool.
  2. Turn OFF the ignition for 30 seconds.
  3. Start the engine.
  4. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records.
Did the DTC fail this ignition?		 Go to Step 2  Go to Step 11 
11 Observe the Capture Info with a scan tool.
Are there any DTCs that have not been diagnosed?		 Go to Diagnostic Trouble Code (DTC) List - Vehicle System OK
RENDER: 1.0x

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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.