Remove the engine cover inside the van and locate the distributor. Inside the distributor is a sensor which will activate your fuel pump. Also locate the oil pressure switch which will also give power to the fuel pump. One of these should do it and both are very easy to access and replace from under the inside engine cover.
REPLACE THE CTS!! COOLANT TEMP SENSOR BIASED.
May be injectors are loosing prime - try turning key to "on" position without starting vehicle for about 5 seconds. Try this twice and then try starting vehicle
You can add power steering fluid to your 1988 Chevy Astro by removing the top to the power steering fluid reservoir. Pour the fluid directly into the reservoir.
Fluid is added through the transmission dipstick.
if it starts and stays running you only have to do that to get it cranked its the tps throttle position sensor i had the same thing happen to me
Is it injected or carburated? If it's injected, turn the ignition on a couple times, let it sit for a few seconds while the fuel pump runs. When the fuel pump turns off, turn the ignition off again then after a couple seconds turn it back on. Repeat this procedure a few times while the fuel is pushed through the line, then it should start. If the engine is carburated, use starting fluid to get the engine running for a couple seconds. Shoot a little (about 2 seconds) starting fluid down the carburetor while someone else cranks the engine. When the engine starts, let it run until it starts to die then give it a little more fluid. Do that a couple times while the fuel is pumped through the line. If nothing is broken it should run after a couple hits of starting fluid. Be careful with that stuff though, it can burn you if you get it on you and the car backfires.
under the hood
Attached to the fluid reservoir at the lower section
5litres
To Drain the fluid you must drop the pan. To add fluid you pour it down the dip-stick tube.
Remove the transmission oil pan for access to filter Replace fluid, filter and gasket
Just northeast of the starter fluid container