My 1990 Astro gave me alot of trouble. The speedometer messed up on it,my Drivers door handle broke off.My rear sliding door wasnt opening from the inside.My back doors were jammed shut.I purchased it in 98 so maybe time made everything mess up.But Ive counted 20 plus Astro/GMC vans with broken handles why is this?And to top it off i now own a 95 astro and my a/c compressor seized up.Does ... Read More
Re: 1990 Chevy Astro won't run [dreamcatcher2]
Written by: ldoscher on May 26, 2006 2:06:44 PM
Had the same symptoms. After it failed to start the first time I charged battery and it started. Immediately acted like it was out of gas, raced to the gas station trying to keep it from stalling. Gas tank appeared to have been siphoned. Got to drive it about two more times, then it just completely died. Replaced the battery. No go. Bought a code reader and found 341. Put a ... Read More
Re: 1990 Chevy Astro won't run [dreamcatcher2]
Written by: fardelean on May 16, 2006 8:57:36 AM
I have a 98 Astro 4.3L V6. Sounds familiar. Mine would do the same thing not to the same exreme as yours but I ended up replacing the coil and problems were fixed. The coil when mine was going bad was not creating the proper amount of spark at the sparkplugs in the cylinders so it would chug now and then and stall out. Hope it helps.
Re: 1990 Chevy Astro won't run [dreamcatcher2]
Written by: cob on May 5, 2006 2:44:09 PM
The Haynes manual wireing diagram calls it the oil pressure switch and sending unit. It is wired to the fuse block under hood and fuel pump relay. If it detects alow oil pressure it shuts off the engine to keep it from damaging. If could be getting a false reading. The van starts and then stalls when it gets a low reading. That was just one posibility.
Re: 1990 Chevy Astro won't run [cob]
Written by: dreamcatcher2 on May 5, 2006 10:59:47 AM
Oil pressure switch? Hmmm....well, why would that allow for the vehicle starting, running for a bit then dieing? I thought the oil pressure switch was just an indicator light on the dash, or a gauge telling you when you have low oil pressure? How would either of these account for the problem? Many have told me to replace the Ignition Module, and the pick up coil for starters...problem is,the Module isn't ... Read More
Re: 1990 Chevy Astro won't run [dreamcatcher2]
Written by: cob on May 2, 2006 9:19:18 AM
I don't know if this helps, on a 94 S-10 blazer with the same engine, I had a low oil pressure switch that when it went bad would not allow the engine to run. I assume the 90 astro with 4.3 has a similar switch. Have you checked that? Since the van would run for a minute and then die. You may not have an oil pressure problem but, the switch ... Read More
1990 Chevy Astro won't run
Written by: dreamcatcher2 on May 1, 2006 8:52:14 PM
I have a 1990 Astro 4.3 Litre.....it was running well enough until someone tried to steal it a month ago..since then, I put in a brand new battery and starter. Recently, the wife was running it pretty low on gas, and it was running in damp weather a little sputtery......when it was warmer, and it was relatively dry, it started running much better. 1 week ago, I started her up, drove ... Read More
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