Originally Posted by LEWAT
The Air Bypass Solenoid On Top Of Throttle Body-remove-clean Throughly-with Choke Cleaner-make Sure Spring Moves Freely-reinstall-see If That Solves Your Problem
I have the same exact problem. I bought a new idle air bypass valve yesterday. The problem didn't go away.
After 15 seconds or so after start-up, a valve is thrown and the engine drops in RPM. At cold start, it stalls. If warm, the engine can pull through this event and returns to a smooth idle.
I know the valve is doing something because the engine stalls out completely if I remove the wire harness from the valve.
I am wondering if it is the relay.