20 Most Recent 2008 Chevrolet Cobalt - Page 6 Questions & Answers

Your Po449 code means: Evaporative Emission (EVAP) Vent Solenoid Control Circuit. Check to see if anything on you EVAP system has gotten disconnected and make sure that none of your hoses have gotten old and bridle or have holes. If everything looks ok, you probably have to replaced the Vent Solenoid Valve, which is located on the EVAP canister.

does your key stays in the ignition position? or can you turn it back to acc or lock? it might be a stuck ignition switch mechanism inside or a shorted circuit that latches the ignition...have it checked or you can try to open it the switch yourself..but with caution if this is your first time. Pls give me a feedback. thanks!

Put the key in the ignition and turn to run position (do not crank over engine) and let it set for about 10 minutes, repeat up to 3 times, if this still doesn't let you start you will need the dealer to reprogram the systems control module.

Try to look after imobiliser... Or check the contacts on batery.. or check the ground contact on starter... may be starter relay (the big one mounted on starter :) )

youll have to take the pannel off the dash and retreve the switch.make sure it click or snaps back in its origional hole or you may need a new one..

When this happens, look around the dash or information window for an icon that says SECURITY or ANTITHEFT. It may even be a picture of a car with a lock through it. If you see that light, the failure is the antitheft system locking out the starter. http://vatspasslockpasskeysecurityhelp.yolasite.com/

It is as simple as your hazzard switch needs to be replaced yes your hazzard switch as now turn signals are built threw the hazzard switch my PT Cruiser had same problem as my s10 replaced hazzard switch fixed the problem

What do you mean the engine is gone?

http://www.yourcobalt.com/forums/maintenance/19593-how-timing-chain.html have a look to this link hope it helps

firstly disconnect the fan connection and try a hot wire and earth to connection to see if the motor works as they dont make them like they used too and premature failure of the cooling fan is a prevelant problem nowdays ,if fan works then check the sensor on the cylinder head with a automotive meter and if working then check for power to the relay as their are 4 connections on a relay and you should have a permanant 12v supply to one of the connectiuons and the other side goes to the fan motor ,unless its all done on the earth return and i am afraid i do not have any product knowledge of this vehicle to know this ,not sold in spain as far as i know

Sounds like the anti theft system may be the problem

Check the owners manual for specs on the oil of contact a lube shop or dealership.