Question about 1998 Ford Crown Victoria

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SPUTTER AND PINGING OR KNOCKING

I HAVE A FORD 1998 CROWN VIC AND WHEN I ACCELERATE FROM 50-70 MPH I HEAR THIS RATTLE OR KNOCKING. AT IDLE OR BELOW 50 MPH ITS QUIET AS A SLEEPING KITTEN. AND ITS ALSO STARTING TO SPUTTER NOW. I WAS WONDERING AM I GOOD JUST CHANING THE FUEL FILTER, SPARK PLUGS, PLUG WIRES? AND IWAS WONDER ING WAS THE KNOCKING PROBABLY DUE TO 87 OCTANE DOES IT NEED 89 OR BETTER?

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Try higher octane and decarbon engine. fuel filter good idea also. sounds like detonation

Posted on Jul 14, 2009

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Posted on Jan 02, 2017

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Also stretched timing chain or weak timing chain tensioner. Another term to look at is "valve rattle". This would give you closer to a machine gun sound than other things.

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