Question about 2006 Chevrolet Silverado 3500
Check engine light on evap problem Evap canister vent valve needs replacing Need to verify location on vehicle
Posted by Anonymous on
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Posted on Jan 02, 2017
That is an EVAP code. its a vent control code. you can manually test it by powering it up if you know where its at. i cant remember exaclty where its at off the top of my head but its only 2 wires. using a volt meter you want to make sure power is getting to it, but you cannot activate it without dealer scan tool.hmmm if you can figure out which is ground and power when you give it 12 volts it should click. meaning your vent solenoid works and you have wiring problems or its leaking.
EVAP problems are hard to finde with out scanners. you can change the vent solenoid and hope it fixes it. but a code points you to the direction of a problem. hopefull its not wiring problems. in the northern states with snow. ice can pull out wires and also get clogged in the vent solenoid and lock it up. its either wiring or bad or a leaking solenoid. check condition of wires. if they look good try a vent soleniod.
if that doesnt fix it after a engine light reset and 2 weeks or so. then goto dealer. you need to reset it after repair. light will not go off on its own.GOOD LUCK
Posted on Apr 29, 2009
if you look underneath the vehicle on drivers side in the area beneath drivers you with see a plastic rectangular sort of shaped box this is evap canister and vent valve is there in this area.
Posted on Jun 20, 2009
You didn't post your engine size so here is for both. Hope this helps and please don't foget to rate:
Fig. 1: Evaporative emissions control system schematic — 3.4L L32 engine shown
Posted on Jul 22, 2009
SOURCE: Evap vent solenoid
If you don't replace, it the service engine light will stay on. You'll get used to the light (or you'll cover it up). Then when something else goes wrong, you wont know.
Posted on Sep 21, 2009
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