1992 Chevy Astro won't run, will start up great with starting fluid, or let it sit overnight.

It sounds like the fuel drainback valve is allowing fuel pressure to bleed off overnight. In some cases you can add an external one, in others a new fuel pump is required to be installed, check with your favorite mechanic.

sounds like my truck. some security code issue. gonna have to take it to the shop

I have a 98 and we just had a cold snap where it was super cold and I didn't start it for about a week. I had just got a new battery because mine tested out bad. Everything was good but now it doesn't want to get fuel. Cleaned all battery and relay connections and it's turning over great and fires with starting fluid but won't start. Guy at Napa said the fuel pump on these are known to not work well in the cold and suggested to warm the tank. I'm parked outside and can't move it to get it inside somewhere. Anyone know of good solution to this fuel pump not working in cold temps issue?

cps

I had this same problem,It was the IAC valve,cost at AutoZone was 48.00 works great now

Try turning the key on (but don't crank the engine) and wait about 2 minutes, then try and start the van. Anytime mine sits more than overnight, this is the only way it will start, otherwise runs fine.

Hope this helps.

bad distribuitor cap and rotor trust me on this one

No this is not normal at all and you have a problem. FI engines should start immediately and run great without any hesitation. It can be a partially clogged fuel filter. Replace the fuel filter ASAP. It can also be a weak fuel pump or defective fuel pressure regulator especially on a 18 year old car. Fuel pump is located on top and inside the fuel tank. The tank must be removed to replace the fuel pump. After replacing the fuel filter and fuel pressure test will tell you if the pump is going bad.

here are some signs of a bad fuel pressure regulator: the vehicle runs rough, the engine will not start(usually in morning) MANY TIMES ENGINE STARTS BUT STALLS SHORTLY AFTER STARTING. a bad regulator can result in fouled spark plus, and fuel milage will decrease noticeably. the only cure is to replace regulator. what makes it fail usually it gets a tear in the diafram and it cant maintain fuel pressure. hope this helps toolman,

Craigslist.. its FREE