You can remove the return hose on the accumulater, plug up at the tee and see if fuel is comming out of the accumulater when under pressure. If it is then it means that the diaghram is leaking and the acumulater is dead. If it doesn't leak then a pressue gauge can confirm that the system isn't holding rest pressure probably because of a bad check valve at the fuel pump, assuming no leaks. David Teitelbaum vin 10757 --- In dmcnews@xxxx, theshovel1224@xxxx wrote: > List, I don't have this problem yet, knock on wood, but I do have a > question regarding it. I realize that 95% of hot start problems are > caused by a faulty fuel accumulator. Another cause is a faulty check > valve in the fuel pump causing the system to lose pressure also. The > other cause is a faulty thermo-time switch causing the cold start > valve to fire every time the engine is started, flooding a hot engine. > The way to check for this is to unplug the cold start valve when the > engine is hot, & if it starts up, the problem is a faulty thermo-time >