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Engine not cranking over?

Tiny
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Also, all my dash lights turn normal and the battery cables look pretty new.
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Thursday, August 6th, 2020 AT 9:26 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Try resetting security system may be the cause. When you turn the key to the on position without cranking the engine over can you hear the fuel pump run in the tank for 5 seconds?

https://www.2carpros.com/articles/car-cranks-but-wont-start

Please run down this guide and report back.
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Thursday, August 6th, 2020 AT 9:26 AM (Merged)
Tiny
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Thank you so much. For the fast reply I will check that today.
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Thursday, August 6th, 2020 AT 9:26 AM (Merged)
Tiny
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That is for a Pontiac though. Will it work?
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Thursday, August 6th, 2020 AT 9:26 AM (Merged)
Tiny
SATURNTECH9
  • MECHANIC
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The newer GM cars 2000 and up disable the fuel injector pulse for anti theft not the starter like the older GM cars. I looked at this one and do not see a tie in for the starter through the anti theft. With the key in the start position see if you have power to the small purple wire at the starter?
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Thursday, August 6th, 2020 AT 9:26 AM (Merged)
Tiny
GTO5150
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  • 2002 BUICK LESABRE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 60,000 MILES
I replaced the battery, no help. I had the starter tested. It was fine. When the key is turned, I just get clicking (not rapid). Any ideas?
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Thursday, August 6th, 2020 AT 9:26 AM (Merged)
Tiny
RASMATAZ
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Battery and connections a okay-check and test the ignition PCM fuse 10amp, start circuit breaker, starter relay and ignition switch


https://www.2carpros.com/forum/automotive_pictures/12900_starter_32.jpg

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Thursday, August 6th, 2020 AT 9:26 AM (Merged)
Tiny
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Yes, I am checking the starter. It sounds to me that a what it is. Everything in the car works but when you turn they key nothing happens
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Thursday, August 6th, 2020 AT 9:26 AM (Merged)
Tiny
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Everything points to the starter.
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Thursday, August 6th, 2020 AT 9:26 AM (Merged)
Tiny
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It did this before and cranked later. I am assuming the starter might have locks it self back up or something?
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Thursday, August 6th, 2020 AT 9:26 AM (Merged)
Tiny
SATURNTECH9
  • MECHANIC
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Yes, bad starters can do that work one minute not the next. Check what I asked and let me know what you find.
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Thursday, August 6th, 2020 AT 9:26 AM (Merged)
Tiny
ADNERTAL
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  • 2002 BUICK LESABRE
  • 120,000 MILES
When starting car it turns but no crank start. Starter is good, battery is good.
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Thursday, August 6th, 2020 AT 9:26 AM (Merged)
Tiny
STEVE W.
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Are you saying the starter is turning but the engine is not? Either a bad starter solenoid or the flex plate is damaged. Should be easy to see missing gear teeth if you remove the starter and look at the ring gear on the flexplate.

How do you know the starter and bendix are actually good?
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Thursday, August 6th, 2020 AT 9:26 AM (Merged)
Tiny
KAKULLAS
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  • 2002 BUICK LESABRE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 35,000 MILES
I couldn't start my car. So I figured my battery was dead because the lights were acting weird. I charged the battery that didn't help I tried a jump that didn't work. I charged it overnight and in the morning I turn the key and there is nothing at all complete darkness all across the dash. Please help if you can.
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Thursday, August 6th, 2020 AT 9:26 AM (Merged)
Tiny
INTERNETMECHANIC
  • MECHANIC
  • 700 POSTS
My first thought was to check feed to and from the ignition switch. The orange is voltage feed to the switch, hot all the time. The wire colors along bottom of switch in diagram, goes hot depending on the key position. You could track voltage from battery to fuse blocks? Use a voltage tester.


https://www.2carpros.com/forum/automotive_pictures/512072_lesabre_ignition_switch_feed_1.jpg

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Thursday, August 6th, 2020 AT 9:26 AM (Merged)
Tiny
JRYDBERG
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  • 2002 BUICK LESABRE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 103,000 MILES
2002 Buick Lesabre, replaced battery, now have all lights, windows, etc, but won't start. No sound at all. STARTER? Theft lock?
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Thursday, August 6th, 2020 AT 9:26 AM (Merged)
Tiny
RASMATAZ
  • MECHANIC
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**No crank at all/nothing/nada when key is engage to starting position

Could be the starter, starter relay, park and neutral switch/transmission position switch and ignition switch assuming the battery condition and connections are good. Note:If it doesn't apply disregard.

Also could be a security issue.
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Thursday, August 6th, 2020 AT 9:26 AM (Merged)
Tiny
WMACNEIL
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  • 2002 BUICK LESABRE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 60,000 MILES
2002 LeSabre - Car will start with no problem with a jump but will not start without a jump. New battery and is not the starter/ solonoid - When the key is turned without a jump it appears that no current is being drawn, ( lights do not dim) and engine doesn't attempt to crank dispite having full voltage to the solonoid (will crank when solonoid is shorted). Car starts every time with a jump. Any ideas?
Thanks!
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Thursday, August 6th, 2020 AT 9:27 AM (Merged)
Tiny
RASMATAZ
  • MECHANIC
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Drop the starter and have it load tested.
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Thursday, August 6th, 2020 AT 9:27 AM (Merged)
Tiny
WMACNEIL
  • MEMBER
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Thanks for the response. The problem was the security module. They had it replaced and have not had an issue since. - Thanks again for your response!
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Thursday, August 6th, 2020 AT 9:27 AM (Merged)

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