1998 Mazda Protege knocking

1998 MAZDA PROTEGE
149,000 MILES • 4 CYL • FWD • AUTOMATIC
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JOEYP512
  • MEMBER
  • 1 POST
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 ?
Sep 21, 2010 at 7:58 AM
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SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
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.
Sep 21, 2010 at 8:07 AM
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