How do I check my vacurm switching solenoid for my EGR valve to see if it is working properly. Thanks

Tiny
GEORGE RRRR
  • 1996 TOYOTA COROLLA
  • 164,000 MILES

Have checked egr valve, and have no vacurm leaks also.

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Saturday, March 31st, 2012 AT 11:17 PM

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Tiny
ASEMASTER6371
  • EXPERT
  • 25,554 POSTS

Take a test light and verify 12 volts to the hot side. Probe the ground side with the test light and the solenoid should click and pas vacuum. If it does not, the solenoid is bad. If it does, then you have a control problem from the pcm.

Roy

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Saturday, March 31st, 2012 AT 11:21 PM

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