Question about Toyota Highlander
I don't think you need to worry. I just purchased a 2003 highlander with 63,000 miles and noticed the same thing. So last weekend I pulled the camshaft cover and it was clean and beautiful under there. Absolutely NO sign of sludge or carbon build up.
Posted on Aug 14, 2008
Carbon buildup try to do our oil change sooner normally its old oil no problem there but do oil change every 5000 km hope it help fixya our problem thank you pierre
Posted on Aug 03, 2008
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Posted on Jan 02, 2017
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