Question about Cars & Trucks
The engine makes a very noticable whirring/friction noise while accelerating from 40-60 mph to a higher speed. Almost always does it while passing or accelerating uphill. Hard acceleration from 0 to 60 is completly fine and constant. Punching the acellerator while at cruising speed is the issue. Tips are most appreciated.
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Posted on Jan 02, 2017
Could be carbon build-up on the pistons, causing erratic flame travel in the combustion chamber... 'pinging'...... Decarbon the engine and use a high grade fuel for a few tanks.... also an octane booster can help
Posted on May 15, 2008
SOURCE: 2001 Buick Regal, 3.8L, 98,000
This happened to my 2001 Regal... There is a factory recall on the Catalytic Converter going bad. I had mine replaced with the recall and haven't had a problem since
Posted on Oct 10, 2008
SOURCE: hesitation during acceleration
could be the type of plug you are using.I was told only to use ngk plugs.I recently put bosch plugs in my mazda 3 and the check engine light came on and it started missfiring.
Posted on May 03, 2009
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