Join Date: Nov 2007
Location: Cali/Las Vegas, NV
Common problems are the gas cap, or purge valve, and I think there is a check valve too. Both are on the passenger side of the intake. Make sure the hoses are all good. The canister is located under the battery. You access it through the wheel-well. Make sure the hoses are good going to it too.
Las Vegas Impala SS Club - SSincitySS.com
1996 Impala SS, Powerdyne Supercharger 6 psi, 3.73s, Snow Performance water/meth injection, Borla catback, F-Body MAF, Grotyohann long tube headers, Magnaflow cats, Hotchkis springs/front & rear sway bars, Bilstein shocks, Vigilante 3000 stall TC, Wilwood brakes, 20in Budnik Fontana's, and a couple of polished items