Originally Posted by KCX5factor

I just replaced my timing chain guides and used my special tools to the tee to reset the Vanos. The battery had gone dead while it was out of commission so I had to jump start it. It fired right away and roared before idling beautifully for about 5 minutes then the rough idle started. i touched the gas and it died. Now it won't start without theMAF sensor unplugged and then it idles horribly! I have the battery out now on a trickle charge. Any ideas before I start all over again?