Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
Hi, I am Mike, welcome. I'm reviewing your question.
When you turn the key to run, before you turn the key to start, the check engine light should come on and the security light if equipped, plus the fuel pump run for 2 seconds, then after 10 seconds or so, the check engine light and security light should go out.
So does the fuel pump run, do them lights come on and go out or stay lit or flash?
After that, does the starter crank the engine over?
When you turn what one click? the ignition key? If so, turn it to what? Run or start?
Does the check engine light come on and then go off?
If you are not sure about the fuel pump running, remove the gas cap and put your ear up to the fill hole and have someone else turn the key to run and listen if the fuel pump makes a humming noise.
Does the starter crank the engine over when the key is turned to start?
Too cold outside? A lot of customers have been saying that it is too cold to work out there. It should warm up by Thursday, here in southwest pa it should get up to the 50's they said.
It sounds like a security issue to me.
If you have a spare key try it, if not you are going to have to find out why the security system thinks it's being stolen.
tell me more about this Silverado. What size is it, what engine came in it and what transmission is in it? Is it 4wd or 2wd?
Lets begin with this 2001 Chevrolet Silverado Diagnostic System Check - Theft Deterrent
Is this a brand new key or something?
Then this one, Content Theft Deterrent (CTD) Does Not Disarm with Key Lock
This should give us a good starting point.
Complete those 2 procedures and let me know if you get stuck or need another pinpoint test that it tells you to complete.
you are welcome.
I will be here waiting in case you need any more pinpoint tests but if this helps you find the problem don't forget to rate me well, so I get credit.
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