LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Need help with codes I have.

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Old Jun 1, 2003 | 12:55 PM
  #1  
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96z
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Need help with codes I have.

I have the following codes:

P1441 Evap system flow during non purge
P1667 Reverse inhibit solenoid control circuit.

Any know how to fix or whats causing any of these?
Old Jun 1, 2003 | 01:00 PM
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the first one sounds like the evap solenoid is sticking open? Flowing gases when the pcm thinks its closed?

No clue on teh other one
Old Jun 1, 2003 | 01:18 PM
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Where is the EVAP solenoid anyway.
Old Jun 1, 2003 | 01:24 PM
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pass side of intake manifold, near the fuel rails above the ac and fuel reg vacuum ports.
Old Jun 1, 2003 | 01:35 PM
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Is there anyway to test it?
Old Jun 1, 2003 | 06:00 PM
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Anyone else?
Old Jun 1, 2003 | 07:08 PM
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Vacuum should pass through the solenoid when it is operated and not pass through when it is not operated. You can jumper 12v and ground to it to operate it.
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