Question about Cars & Trucks
Have an 06 murano with about 55000 miles that i bought recently. And not knowing i did used 87 octane fuel and started to get the knock in the engine only under load or accelerating not when idling or in neutral. right away i switched to 91 octane and used so far two tanks but still hear the knock. My question is how long it will take for the knock sensor to detect and switch back? Is there are anyway that i can restart the sensor? By the as soon as you drive the vehicle for longer time like 30 min the knock goes away or it's still there but its not that loud at all . Please help with this thanks
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Posted on Jan 02, 2017
If the knocking did not go away with the higher octane fuel then you may have other problems. A dirty fuel injector oor a misfiring spark plug can also cause knocking in a modern car. A faulty sensor may also be causing the wrong fuel / air mixture in the cylinder... check out the cheapest fixes first.
Posted on Sep 15, 2010
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