One problem related to engine has been reported for the 2003 Subaru Forester. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Subaru Forester based on all problems reported for the 2003 Forester.
: the contact stated there was a pining noise in the engine, when the vehicle was first started in cold weather. The noise stopped after two minutes. The dealership determined this was normal operating conditions, although there was a service bulletin instructing to replace the pistons.