1998 Mazda Protege knocking

Tiny
JOEYP512
  • 1998 MAZDA PROTEGE

1998 Mazda Protege 4 cyl Front Wheel Drive Automatic 149000 miles

my car has a knocking and a friend told me its cause a piston at one point didnt have any compression so he told me to use lucas to see if it would remove the knocking. What do you guys thing it is?

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Tuesday, September 21st, 2010 AT 2:58 PM

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Tiny
SATURNTECH9
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Lucas isn't going to fix your engine knock. If you have too low of compression you won't get a knock you will get a dead hole meaning that cylinder won't run. You would have to figure out which cylinder was knocking and find out if it was a spun rod bearing or what was causing it and fix it.

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Tuesday, September 21st, 2010 AT 3:07 PM

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