Question about 2007 Suzuki Reno Hatchback

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I seem to get an EVAP code after we've had a hard rain.

It doesn't show right away, but about 3-5 days afterwards if it is now very hot and humid and I run the air first thing in the morning, the check engine light comes on after I run the car for awhile. But not that you mentioned the gas cap, I've had that happen before where I think I've gotten the gas cap tight enough but apparently I don't.

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There three electrical components that can go bad, A evap purge solenoid, and vent solenoid and a presure sensor. Any of the vacuum and vapor hoses can be leaking. I would not suspect cracked hoses for the age of your car. Has anyne been under the hood or have you swamped the car in mud or water. Spiders, and mud could clog the vent. An intake leak could cause a low vacuum signal when the evap is being tested. And as you said a bad gas cap seal could cause this. Also inspect the filler neck for deformantion or a crack. You just may have to take the car in and get it checked out

Posted on Jul 19, 2009

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This could also be a vacuum line to the cannister leaking or the vent solenoid not operating. You can run a smoke test and determine if that is the cause or check the valve and vacuum hoses to the system. Also sometimes the gas cap seal will wear to the point it is not sealing properly and the cap needs to be replaced.

Posted on Jul 19, 2009


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