Trouble code P0440 means:Evaporative emission control system malfunction
Trouble code P0440 means:Evaporative emission control system malfunction
Trouble code P0440 means:Evaporative emission control system malfunction
bad o2 sensor on left bank
P0440 = EVAP Emission Control System Malfunction. The Check Engine light would illuminate and you would fail an emissions test.
P0440 indicates and evaporative system failure. Unless you are mechanically inclined take it to a good mechanic or Chevy dealer. If you are inclined get the repair manual for the unit and follow the diagnostics there-in. BTW don't waste your hard eraned $$$ on Chiltons... Haynes or Factory is worth the $$$
Trouble code P0440 means: Evaporative Emission System
Trouble code P0440 means: Evaporative Emission System
Trouble code P0440 means:Evaporative emission control system malfunction
Trouble code P0440 means: EVAP System No Flow During Purge
Trouble code P0171 means: Fuel Trim System Lean (Bank 1 Trouble code P0440 means: EVAP System No Flow During Purge
you have a leak on the sending unit (o-ring usually after a pump replacement) or a hose to the canister EVAP system
Large evaporative emissions vapor leak. Check gas cap and all hoses from the engine to the gas tank.