Been doing a lot of searching on adding alcohol or something to that nature, to be a temporary fix to pass smog. Have a 2000 F1 4.6 that didn't pass smog. Running too rich. I desperately need this to pass so I'm looking into every option and came across the 99% alcohol in a 1/4 tank of gas idea. Does this really work? Can't afford to keep adding more $$$ into this thing thanks in advance guys

 

Tune you truck dude. its not that hard and its not that expensive.

 

Responses to the question at hand is what I'm looking for. Thanks

 

just pour one of the little bottles of everclear vodka in with about a quarter tank of gas....

 

Alcohol will only help on a smog test if you have high Nox. It works by reducing combustion temps therefore the Nox. Nox is produced from high combustion temps because of lean burning and the cats not being able to handle the amount. I think yer sunk with trying any kinda additives to make it pass.

 

HEET the deicing stuff is pretty much alc. and only 2 bucks a bottle. its made to get the water out ur tank throw 3-4 bottles in and there ya go.

 

when is the last time you performed any maintenance on your truck and what was done

 

If you put that much alcohol in there, it will throw a CEL and it won't pass the OBD2 scan.

 

thank god we dont have any smog test here

 

I try and do all the maintenance myself and replace or clean anything that needs to be done. It passed with flying colors last smog check (last year or so), but now it is running rich and couldn't figure out why.

 

How do they know it's running rich - is it throwing a CEL with codes? Are they reading out the OBD2 or are they using a sniffer?

 

I believe the sniffer. Got the print out after the test and they explained to me that it was running rich, and I believe it was getting too much fuel. Have the print out at home, will get those numbers asap.

 

That sounds weird. How does the truck run? Smooth and all? It seems odd it would fail without a CEL or poor running engine issues. I'd go ahead and clean the MAF make sure the air filters clean and all.

 

That's what im thinking too. The truck everything is running perfect and smooth. I replaced the IAC, cleaned the air filter, cleaned the TB, changed the oil, anything I could think of and it came back as a fail. No CEL, nothing out of the norm.

 

sorry, also cleaned the MAF