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Help! '93 won't *%$#@ start!!!

vee93

Well-known member
Joined
Nov 15, 2002
Messages
585
Location
Mississippi
Corvette
1993 Medium Quasar Blue Metallic Coupe
My 93 won't start. It wants to turn over...
It's been sitting for about 6 mths..battery was disconnected.
Connected a new battery, all the bells and whistles light up, stereo plays, alarm works, windows go up and down... but the Vette won't turn over.
Got some STP octane booster... think this'll help? I was thinking that maybe the fuel degraded.
 
Cranks but NO start. Pardon he pun but start with the basics. Check for spark, fuel pressure, etc...I doubt you have a base engine problem if it was running before. I would start with fuel and ignition and go from there.

Do you smell any fuel when cranking or can you hear the fuel pump turn on, when you turn the key to on/run?

Spark can be checked by pulling plug wire and installing a spark tester.

Any codes?
 
Thanks for the response, 93Ruby!
I'm getting that 'SYS' flashing on the dash now.
Other than that...no codes.
I do hear pump when I switch the key to 'On'.
It's firing...just won't turn over.
 
....sorry... 93Rubie! I was trying to look under the hood and type in between!!!:L
 
...so is it safe to put in the octane booster or not?
 
I would not bother with the octane booster, as it will not help any. Probably won't hurt anything either, if you pore it in. So is it sputtering or just cranking and not even trying to start?

Just a SYS light? NO security lamp?

IS it flashing?

You may have a code stored in the CCM. Central Command Module.
Which may or may not be related to your trouble.

For grins and giggles pull off your fuel injector covers and see if any critters chewed on any wiring.

I would still explore the basics first and go from there. Spark, Fuel, Air, Compression. With Spark and Fuel being first.
 
Hey that "sys" light has something to do with or could do with the battery voltage...I would definitely check that. Maybe a bad cell or somthin'. That car does not like inadaquate voltage.
 

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