Question about Cars & Trucks
Engine light on.code p4009 shows up.No power going to vent solenoid.Where does the power come from that controls this circuit.(ignition)
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Posted on Jan 02, 2017
You need a charcoal canister and vent control valve.
You also need the EGR solenoid valve (I think it the brown one).
Valve is located in the valley of the V, towards the transmission side of engine.
Do these 1st and reset light. You may have other issues but you have to start here.
Posted on Sep 16, 2008
Unfortunately, this code has nothing to do with the gas cap....
A code P0446 could mean one or more of the following has happened:
Posted on Nov 17, 2009
I am not up on those trouble lights but I have been told that if you remove the negative battery cable termanal and turn on your headlights after the cable is removed and let it sit for 1/2 an hour that it will re-set the computer back to default settings. The lights are turned on to drain any reserve power that is stored. It can't hurt to try it and see what happens. I hope this helps, The Raz
Posted on Apr 16, 2010
There is a solenoid that open and closes with 12 volts, usually located close to the fuel filler tube area. This open to allow you to fill your tank, then closes after some inputs for the computer are satisfied, and then a pressure sensor verifies the system is working. First, make sure the cgas cap is tight, and if the light doesn't go away in a couple days of normal driving, get the solenoid checked.
Posted on Jun 23, 2010
Check engine P codes. GM uses an EVAP solenoid that is located under most vehicles near the gas tank and connects to the charcoal filter can. Codes can be set and will drive you crazy trying to figure out if you have a bad gas cap, broke lines---this is where they try to get you to do a smoke test, or you just think the vehicle is no good.
Relax, it is usually an easy fix and one GM has known about for years but continues to make easy money off people who cannot do basic maintenance. Now one code that comes up is usually P0449, along with maybe a warning to check the gas cap to see if it is on tight. Chevrolet will gladly read this code out for you for around $98.00 and then fix it for another around $100.00 which includes the EVAP part which if you buy at their parts dept. will cost you $32.00 and my dealership parts man told me they sell one a day! It is easy money for them and obviously a defective part they keep using for the last 10 or 15 years but hey, its money in their pocket. Here is how to fix it with ONE single common screwdriver!
Get under the vehicle after putting on the parking brake and if you a little hefty, then removing the spare tire on the some vehicles will give you lots more room. The EVAP solenoid is easy to spot near the gas tank and it has one electric connector which disconnects by releasing the plastic clip and pulling the connector out. It also has ONE air line connected which goes to the charcoal cannister which also can be removed with the one screwdriver. The whole EVAP solenoid and air can can be removed with the screwdriver which makes it easier to unpolug the electric and air line. Get a replacement from the dealer as they certainly are familar with this part as they sell LOTS of them. Then just go under and plug the new one in and the problem is solved. Now if you do not have a tool to reset the codes, try the local parts places as most of them will do a reset for you. If you do not have someone to do it, it can be done simply be removing the RED, positive lead off the battery and wait a minute and then plug it back in. The codes are reset but of course now you have to reset the radio and clock stuff.
Hope helps (remember to rate this answer).
Posted on Nov 15, 2010
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