Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: P0128-Thermostat Rationality - Diagnostic Procedure (Test Step 1)

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Fig 2: P0128-Thermostat Rationality - Diagnostic Procedure (Test Steps 2 - 4)

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Fig 3: P0128-Thermostat Rationality - Diagnostic Procedure (Test Steps 5 - 7)

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Fig 4: P0128-Thermostat Rationality - Diagnostic Procedure (Test Steps 8 - 12)

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Fig 5: P0128-Thermostat Rationality - Diagnostic Procedure (Test Step 13)

Courtesy of DAIMLERCHRYSLER CORP.