Mechanics

CHEVY

1996 Chevrolet Beretta

Engine Performance problem
1996 Chevy Beretta 4 cyl Front Wheel Drive Manual 130000 miles

why does one spark plug work itself loose while the other three are still tight when running?
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Dbark
December 29, 2009.



The sparkplug port is cross-threaded, try using heli coil. Get it from the Good Stuff Guys-NAPA

Rasmataz
Dec 30, 2009.