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Does the valve operate like FULLY OPEN and FULL CLOSE or partially open and partially close? I am trying to fix mines because I have intermittent “Check fuel cap”
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Posts by jimhow4545
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No error code. Just annoying TIGHTENING FUEL CAP message when the engine is HOT.
Someone online pointed it out it could be a bad evap purge valve/solenoid.
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1,114 Posts
FIXED without having to buy a new valve!
Removed the valve and spray a little bit of lithium grease to both end of the tube and then apply 12v to the valve to move the plunger back and forth a fews times so it get lubricated . Now the solenoid doesn’t get intermittently stuck anymore.
Make sure the resistance between the two pins on the valve is between 26-30 ohm. If you have 0 ohm it mean you have a blown valve and this will not fix it. You can tell if the valve is blown or not by applying 12 v.
This fixed cost me nothing except about 1 hour of my time fiddling around.
No more frequent pop up TIGHTEN FUEL CAP message!
Removed the valve and spray a little bit of lithium grease to both end of the tube and then apply 12v to the valve to move the plunger back and forth a fews times so it get lubricated . Now the solenoid doesn’t get intermittently stuck anymore.
Make sure the resistance between the two pins on the valve is between 26-30 ohm. If you have 0 ohm it mean you have a blown valve and this will not fix it. You can tell if the valve is blown or not by applying 12 v.
This fixed cost me nothing except about 1 hour of my time fiddling around.
No more frequent pop up TIGHTEN FUEL CAP message!
Joined
·
1,114 Posts
If you guys interested on how the EVAP purge valve works here is a quick summary:
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