Engine Fails To Reach Normal Operating Temperature (LM2)
Engine Fails To Reach Normal Operating Temperature (LM2) Engine Fails To Reach Normal Operating Temperature
| Step | Action | Yes | No |
|---|---|---|---|
| 1 | Did you review the Symptoms – Engine Cooling diagnostic information and perform the necessary inspections? | Go to Step 2 | Go to Symptoms - Engine Cooling |
| 2 | Verify that the engine does not reach normal operating temperature. Does the engine reach normal operating temperature? | System OK | Go to Step 3 |
| 3 | Check for any Diagnostic Trouble Codes (DTC). Are there any Diagnostic Trouble Codes (DTC) present? | Refer to the appropriate Diagnostic Trouble Codes (DTC). Diagnostic Trouble Code (DTC) List - Vehicle | Go to Step 4 |
| 4 | Inspect the coolant level. Is the coolant level below the add mark? | Go to Step 5 | — |
| 5 | 1. Add coolant as necessary. 2. Perform a cooling system pressure test. Does the cooling system hold pressure? | — | Go to Step 6 |
| 6 | Repair any cooling system leaks. Does the engine fail to reach normal operating temperature? | — | System OK |