See also:

Troubleshooting
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Fuel quality
If you are experiencing starting, rough idle or hesitation driveability problems during a cold start, try a different brand of “Regular” unleaded gasoline. Do not add aftermarket fuel additive ...

Checking engine coolant
The concentration and level of engine coolant should be checked at the intervals listed in scheduled maintenance information. The coolant concentration should be maintained at 50/50 coolant and di ...