Passlock or ignition switch or?

Tiny
KANDII28
  • MEMBER
  • 2000 CHEVROLET IMPALA
  • 259,000 MILES
I own a 2000 Chevy Impala V6 3.8 Sometimes when I turn the key the car will not start. The locks, windows, radio, and lights will all come on but the car wont make a sound. I originally thought this was a Passlock issue.I was told if I turn the key and the security light starts flashing then the passlock is activated, causing the car to go into theft mode. My security light only flashes when I leave the car in the ON position. It will flash low fuel, battery, then security. And keep going in that order until I turn the car back off. I had remote start installed and SOMETIMES that will start the car. I also had a resistor installed to bypass the Passlock system. My car still only starts whenever it feels like it and many times I have been stranded (for hours) until the car finally cranks back up. What could the problem be? I have tried everything I could think of and at this point I am just ready to get rid of the car! Pleas help. Any advice would be greatly appreciated.
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Monday, November 14th, 2011 AT 12:06 AM

8 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Charge your battery then have it checked, it may be going bad causing this to happen. Mot sauto parts stores do this for free
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Monday, November 14th, 2011 AT 2:54 PM
Tiny
KANDII28
  • MEMBER
  • 4 POSTS
Ok so I got a new battery. The car will start more often now but what I've noticed is that after the car has been running for quite a while is when its most likely not to restart after I cut it off. But now it will restart after about 10 minutes instead of hours.
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Wednesday, November 16th, 2011 AT 9:32 PM
Tiny
KANDII28
  • MEMBER
  • 4 POSTS
What else could be causing it to not restart after the engine has warmed up?
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Wednesday, November 16th, 2011 AT 9:41 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It could be a bad starter, relay or ignition switch or a bad wire/connection to the pcm. Have a pro load test the starter to seeif it is drawing tomany amps. You can replace the ignition switch as well but I dont 'know if you wan tto do a job like that. But you need to get it tested before replacing it. Also does it not turn over when it won't start or it won't run? If it won't run thencheck your fuel pressure.
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Wednesday, November 16th, 2011 AT 9:51 PM
Tiny
KANDII28
  • MEMBER
  • 4 POSTS
No it doesn't turn over at all and there's no clicking noise or anything, but the lights and everything else will still work. I also just got a new starter in September.
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Wednesday, November 16th, 2011 AT 9:57 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Then have a pro look at teh iginiton switch orsee if a wire/connector leading to the pcm is bad and doing this. Just so you dont' replace parts unecessarily.
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Wednesday, November 16th, 2011 AT 11:44 PM
Tiny
KANDII28
  • MEMBER
  • 4 POSTS
Ok thanks alot for your help. I'll look into it tomorrow.
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Wednesday, November 16th, 2011 AT 11:47 PM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Kandi, was our last response successful in helping you get this fixed?
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Friday, January 27th, 2012 AT 3:23 AM

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