2003 Pontiac Vibe

76,000 MILES • 4 CYL • FWD • AUTOMATIC
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DEATH
  • MEMBER
  • 1 POST
how do you teat the plugs
Aug 2, 2009 at 3:01 PM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Hi there,

Testing spark plugs is done under controlled pressure conditions, just seeing if they spark under cranking conditions wont be good enough, the best this to have done id get a test on an oscilloscope as this will give all the ignition information to diagnose any electrical problem.

mark (mhpautos)
Aug 2, 2009 at 6:36 PM
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