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Fouled plugs

Tiny
RUDYROOLVINK
  • MEMBER
  • 2000 MAZDA 626
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 139 MILES
Oil fouled plugs on a rebuilt head/all parts are new / comp is 185 all. Ran fine for 35 miles then parked wont start / fouled all plugs oil puddles in cylndrs.?New guides valves seals gaskets. No oil on top of plugs just bottoms wet?
Monday, August 1st, 2011 AT 4:34 AM

6 Replies

Tiny
DANLESABRE
  • MEMBER
  • 230 POSTS
Any noises when it does not start? Does in crank at all?
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Monday, August 1st, 2011 AT 5:23 AM
Tiny
RUDYROOLVINK
  • MEMBER
  • 3 POSTS
Got it running, but its still fouling
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Monday, August 1st, 2011 AT 5:33 PM
Tiny
DANLESABRE
  • MEMBER
  • 230 POSTS
Is the oil building up on the spark plug inside the combustion chamber, or on the other side where the spark plug wire boot attaches to it?
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Tuesday, August 2nd, 2011 AT 12:00 AM
Tiny
RUDYROOLVINK
  • MEMBER
  • 3 POSTS
Oil is not comeing from from the porcelin top side / bottoms gap side / thinking machine shop /did bad job on valve stem seals? Im useing anti foulers now n its running butt rough.
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Tuesday, August 2nd, 2011 AT 3:59 PM
Tiny
DANLESABRE
  • MEMBER
  • 230 POSTS
Is it happening to all the cylinders or just some? If you do a compression test and all the cylinders have good compression then it sounds like a botched valve job from the machine shop. You may be right about that.
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Tuesday, August 2nd, 2011 AT 11:15 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
I would say the machine shop did not do a good job with the valve seals.
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Sunday, October 2nd, 2011 AT 11:16 AM

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