2000 ranger 4.0 code p1451
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From: SW Va
Check the purge valve solenoids electrical resistance, to see if it's open circuit.
If it's not open circuit, connect a voltmeter to the solenoids electrical connector & see if it's getting a signal/voltage for the solenoid to open & purge the vapor recovery canister after the engine is started.
Let us know what you find.
If it's not open circuit, connect a voltmeter to the solenoids electrical connector & see if it's getting a signal/voltage for the solenoid to open & purge the vapor recovery canister after the engine is started.
Let us know what you find.
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Joined: Mar 2008
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Thanks for the info. I did discover the problem after much headscratching and wire loom connection checking, corroded fuse connection. First thing I did was check the fuse with a test light, good, however the output side of the fuse was crusted with gunk.
Moderator
Joined: Jan 2004
Posts: 13,851
Likes: 111
From: SW Va
Ok, good trouble shooting & feedback & to hear you've found & fixed your problem.
Yup that corrosion at the power fuse can cause a voltage drop under load, that might affect the purge solenoids operation.
Thanks for closing out your thread.
Yup that corrosion at the power fuse can cause a voltage drop under load, that might affect the purge solenoids operation.
Thanks for closing out your thread.
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