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1999 Pontiac Grand Am Oil on Spark Plus - Stalls when hot

Tiny
RMOLSON
  • MEMBER
  • 1999 PONTIAC GRAND AM
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 11,500 MILES
Helping friend. Have not seen vehicle. Spark Plugs have oil on them - more than carbon fouled. Does not burn oil and no black, blue or white exhaust gas. Passes smog test. Stalls when hot, 200+ DegF. Cool down and re-starts. Replace which gaskets? Head gasket? And/or bad ignition module/coil not generating enough elec. For enough spark?
She said one mechanic mentioned a long narrow part that begins with an "M" (doesn't remember name of part). And expensive. Make any sense?
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Wednesday, July 22nd, 2009 AT 2:54 PM

3 Replies

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Generally when you have this problem, runs cold, dies hot, starts when it cools down, it is the ign. Module.

Most autoparts stores can test them for free.
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Thursday, July 23rd, 2009 AT 8:42 AM
Tiny
RMOLSON
  • MEMBER
  • 2 POSTS
Thx,
My biggest concern is the oil on spark plugs. Perhaps warm/hot oil is causing short in spark plug gap?
Head gasket or other gasket(?) Problem?
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Thursday, July 23rd, 2009 AT 1:51 PM
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
If quad4 or plugs are in center of head, it is the tube seals in valve/cam cover.
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Friday, July 24th, 2009 AT 7:26 AM

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