GM EVAP Vent Solenoid Testing




What do you think about this video?

Van Thanh Le: Im the only person who try to clic on the X at 23:00 in full screen? Great video i like it!

street35z: Good video.With my Pontiac Montana off and on my red wire only reads 4 to 5 volts when testing to ground. White wire reads 0 at all times with plug out,not pin tested while still plugged in to solenoid which might be ok? This is going to the purge solenoid,not the vent solenoid which is in a very bad location to get to unless I roll the engine frontward after disconnecting bone brackets on front.

Chad Gardee: You can turn the key on off if you do not have a scan tool right on this video

bouy4: Great class video, was looking for visual info on physical location, but watched your entire video.

rafael valenzuela: Mr Danner i moved to san Diego Ca i would like to get the ScannerDanner premium tell me how to do it the steps thanks

la nave del sabor: hello sir great video. I have an 05 chevy tahoe and the purge solenoid that sits on top of the engine is driving me crazy. I hear a loud ticking noise constantly after the vehicle has warmed up. I have already replaced the solenoid and the evac valve canister located underneath the truck by the spare tire. is this test related to my issue??? and if so, how can I replaced the driver or the control wire??? thank you??

Thee3rdprophet: Monkey Chart

albdesi: SAVE YOUR SELF PAIN AND AGONY AND BUY A POWER PROBE!!

J Ruggero: No matter how you cut it, someone sells a lot of parts! and that's the idea I guess. Call it a forced economy. I think I remember the older gm cars by jumping the underdash connector a certain way ,the pcm would cycle all the system components. Now why don't they incorporate that anymore? Oh I forgot, it sells more scan tools! All this for clean air on such minute magnitude is a joke .Before long they'll be outlawing beans in your diet. Excellent explanation , but look at the what it took to get that far. I'm sure you didn't just decide today this is how it works, They have no standard to abide to, Over engineered troublesome designed systems .Gotta be a better way. 

Garick Newtzie: awesome video. I feel smarter and I think you just helped me fix the problem

Dave Gibson: Excellent video - great teaching style. Thank you for posting. 

CMA124: Michel Jackson 

Ras Bongo Natty Tafari: Great Lesson......where do u get ur wiring diagrams?

Ken nomura: Great video Danner! i got a question, if the solenoid shorts, that could possibly fry the driver on the pcm right? so in that case we would have to replace the solenoid and the pcm? thanks a lot!

yoyomin: you sure know what you are talking about!!! very helpful.

abochavez: What if there is voltage on both sides of the connector unplugged key on. I have had several of these evap codes on different vehicles and I frequently see 3.5 volts on the ground wire unplugged not just the vent solenoid but purge solenoids too. No shorts or opens. Computer disconnected. When computer is connected the voltage shows 3.5 volts. The 12 volts supply wire is always good. Bad computer right? I've also had 12 volts coming from both wires of the connector unplugged on a fuel heater. Followed it to the computer again. Am I missing something before calling this a computer?

Rating:
GM EVAP Vent Solenoid Testing 4.9 out of 5

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GM EVAP Vent Solenoid Testing