Quote:
Originally Posted by EvilMole
I've posted before about my rough low idle and declining gas mileage, but now I'm noticing a raw gas smell in the cabin while driving. I've had it die on me once while pulling into a parking spot. I believe these can all be symptoms of a bad evap canister, but I have no check engine light on. The usual suspects have either been replaced (plugs, wires, O2 sensors) or cleaned multiple times (MAF, IAC).
This is a '96 model that has the burping canister issue that was never addressed. Don't know if that has anything to do with it or not. I'm kind of drawing at straws here. My original thought was a vacuum leak but I'm not dismissing the evap canister.
Thanks.
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Generally, the smell of gas fumes does indicate a bad canister or perhaps a leaking injector. With your rig being 22 years old, it could be a myriad of things. The canister has a "vacuum switching valve" that can fail. When it does, you notice more gas fumes. I have had the issue on my 2000 T4R and by installing another vacuum switching valve, it solved it.
One other possibility is the fuel pressure regulator. (They are pricey and would recommend you pull one from a pull yard)
I have a couple of canisters if you need one...