I am trying to figure out the vacuum system in my 1996 camero 3800 engine. The diagram on the inside of the car says one line run from the fuel pressure reg ??? to the un named part on the side of the breather ??? to ACSRY???.

The other starts at the EVAP CNSTR Purge VLV??? to the EVAP CNSTR Swtch??? to the EVAP CNSTR at the rear???

IS there a diagram with some indiaction of what these letters mean?

Any help is much appreciated.

:icon_shrug:

 

Is there a particular vacuum problem you're trying to troubleshoot?

^JR^

 

First off...welcome to the forum, but for christ's sake, its CAMARO not CAMERO.

ACSRY is probably accessory...EVAP CNSTR Purge VLV is the evap canister purge valve which is located on the right side of the engine, above the fuel rail - black boxy shaped piece. Controls the flow of fuel vapor from the charcoal canister into the engine to be burned off. EVAP CNSTR Switch, I believe but am not positive, senses and controls the on/off function of the canister purge valve. The Evap canister is a black cylinder about 8" in diameter and 10" tall thats located in the driver's rear wheel well, behind the wheel, right below the fuel filler neck. You might need to pull back some of the plastic trim inside the wheel well to see it.