Engine Fails To Reach Normal Operating Temperature
WARNING: This page is about a different car, the 2009 Saturn Outlook, 2009 GMC Acadia, 2009 Chevrolet Traverse, and 2009 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
|
Go to Step 2 | Go to Step 3 |
| 2 |
|
Go to Step 3 | System OK |
| 3 | Install the Scan Tool to the DLC. Compare the Scan Tool coolant temperature reading to the I/P cluster coolant temperature. Is the I/P cluster coolant temperature close to the reading on the Scan Tool? |
Go to Step 5 | Go to Step 4 |
| 4 |
|
Go to Step 5 | System OK |
| 5 | Inspect the thermostat for proper operation. Refer to Thermostat Diagnosis . Is the thermostat operating properly? |
Go to Step 1 | Go to Step 6 |
| 6 |
|
Go to Step 1 | System OK |