<<<Rescue your bus and then e-mail us back. He's trying to take your money.

It is probably the cold start valve or the cold start temp switch.

Bet you couldn't even get an ECU for less than $300...

These parts will set you back at I think about $125 and you can do the work
yourself.>>>

That's the problem I have duplicates of every part for the van and have
switched everything out. I've thrown parts at it now they are. Oblivious they
are as inept as I am. I'd be willing to bet that there is low compression in
one of the cylinders. What else could it be?