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Both the A/C and the defoggers were off.

Raised the hood when I got home. Both fans were running.

2005 Forester. Engine cooling fan starts but will not shut off unless engine is shut off and restarted. Temperature gauge reads normal. Any ideas??

Here is what I don't understand. The car has an adaptive system that adjusts timing based upon signals recieved from the knock sensor. If the system is working properly, timing should be retarded when pinging is detected. Why shouldn't a properly working system correct the problem? Why substitute a different spark plug?

Brought my 2005XS Forester to Liberty Subaru on Tuesday for continuous ping problem. Service manager drove car and agreed that there is a problem. Checked codes, said everything is in spec. Returned car Thursday so Subaru factory rep. could look at car. Drove car 30 miles with instrumentation attached. I was told that the car performed completeley as designed, and that there was absolutley no pinging. Service manager told me to bring car back in warmer weather to have Subaru test again if ping continued. Odd thing is, after pinging from day 1, the car has not pinged once in three days. Suspect the computer code was flashed. Any thoughts? If so, why wasn't I told?

I have a 2000 OBW that started to ping a year ago. Ran on high octane for about 6 months, and then back to regular. Pinging has stopped.

I agree that the dealer should fix the problem. Unfortunately every trip requires time off from work, and then not getting it fixed is aggravating.

Most of my driving is on local streets. Even at highway speeds with the cruise control on, the slightest application of the accelerator causes ping. Pinging gets worse as the weather gets warmer.

2005 Forester XS pings as soon as car warms up since day 1. Gas octane rating and brand have no effect. Dealer says that there are no fault codes. He just reset the computer, but pinging continues. Any ideas?