try disconnecting the battery for a half an hour. If this doesn't work you will need to take it to a shop and have it turned off.
check the soleinoid
take it to autozone they will check for free. wolverine Probably some problem with the smog controls. Probably nothing too major. If the service engine light is flashing, it's probably major.
Check the timing on the Corsica for jumped timing. Most likely the engine is firing at the wrong time causing it not to start.
Check for fuel delivery and spark
Check the Fuse and/ or relay.
Check out the top of the fuel tank and the tubes leading to it.
Check your coil packs, my Corsica goes thru them like water. Would not hurt to check your fuel pressure. Online tech manual at Alldata.com can really help out if your interested.
Check the timing for the 90 Corsica. the most likely cause for the engine not starting is it has jumped time causing the engine to fire at the wrong time.
HI If it's drivable take it to Auto Zone, they do it for free.
How do you reset check engine light for the 2009 Chevy trail blazer?
NOTHING, It must have the 4L60E in it are you will have a check engine light on and always heve performance problems.
listen for a sucking sound where ever it sound loudest check for a pulled out hose or broken hose ,there may be some located under the top plate in the engine.