Error P0306 Check Emission System
11-12-2018, 11:05 AM
#1
3rd Gear
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Error P0306 Check Emission System
Hello Everybody. I have an Acura Tl 2009 FWD 3.5 w/ Tech Package. Tonight, right after washing the car the error p0306 "Check Emission System" poped-up. Also a VSA error came up but went away fast.
The car is running as if nothing had happened at all.
Any suggestions?
The car is running as if nothing had happened at all.
Any suggestions?
11-12-2018, 12:54 PM
#2
Low battery? I've had both of these come up when trying to start the car after keeping the lights on for an hour or so while I was trying to diagnose some wiring issues. It didn't tell me the battery was dead but those two errors popped up.
11-12-2018, 01:41 PM
#3
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Even if the car starts with no issues?
11-12-2018, 03:48 PM
#5
Yup, just drop by Autozone or another parts store and they'll check the battery and charge if it's low. Not sure where you live, but near my (North East US) it's starting to get COLD so the battery will be holding less capacity as well increasing the chance of screwy codes to popup.
02-02-2020, 06:27 PM
#7
Intermediate
I’m having the same issue did the Battery fix this? I get no misfires car runs great but throw code p0306 and also the vsa light comes at the same time but no I’ll effects and my VSA light goes away when I turn the car off and start it again but the p0306 stays on with no effects
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