Severity: Fix within days. Drive with caution and watch for new symptoms.
The engine computer lost the settings it is supposed to remember when the car is off, which usually points to a power supply problem or a failing computer.
Check the battery and its cables, then the memory fuse. If those are fine, the computer may be failing.
The car may run rough until it relearns its settings. Check the battery first.
You can drive short distances carefully; watch for worsening symptoms. The car may run rough until it relearns its settings. Check the battery first.
The most common causes are: Weak or dying battery; Loose battery cable; Failing engine computer; Blown memory fuse. A scan tool and a visual check of the parts above is where a technician starts.
Check the battery and its cables, then the memory fuse. If those are fine, the computer may be failing.
