2003 Pontiac Grand Am sometimes it cranks, sometimes it doe

Tiny
RAZOR316
  • MEMBER
  • 2003 PONTIAC GRAND AM
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 130,000 MILES
Sometimes my car cranks right up, at other times it just cranks over but does not start. Sometimes when it doesn't crank, you can turn the key over and it starts, then sometimes this doesn't work. I can start the engine, turn it off and try to start again and then it just cranks but doesn't start, or sometimes it starts up again. No ryhme or reason to why. Seems to crank up right away as long as it has sat for several hours like overnight or while at work. But sometimes after only a couple of hours since last started, it won't start, just cranks. My security light has also been coming on alot lately. I have to sit with the door closed, key in ignition in off position for 15 minutes then it starts, or sometimes just cranks with no starting. The chip is in the ignition and not the key if this helps any. When the security light is on and you try to start, you get no crank or anything. Thought I'd mention in case there is a relation to these 2 things. Another thing that may be related or not is that I have a clicking noise in my dash when I turn on turn signals and doesn't go off after making turn, but I can wiggle the turn signal and windshield wiper knobs and it will stop. Sometimes this thing clicks for no reason too.
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Monday, March 9th, 2009 AT 4:06 PM

5 Replies

Tiny
ZACKMAN
  • MEMBER
Yes, there is nothing wrong mechanically with your vehicle. Your Passlock anti-theft system is to blame for the no-start error. If you read the description of Passlock, you may want to check your ignition tumbler, making sure that it is not loose or not making contact. The are several conditions that the Body Control Module looks at to create a successful start. If one of the condition is not met, the vehicle WILL not start until the BCM resets, which generally takes about 10 minutes. (Try this the next time it happens. I am not sure if it will work with GM vehicles, though. If the SECURITY light turns on, DO NOT crank the vehicle. Exit the vehicle, open and close all doors, trunk and hood. Go to the driver door, and use the KEY, not remote, to lock the driver door. Wait 1 - 2 minutes, and use the key again to unlock the DRIVER door.)


http://www.2carpros.com/forum/automotive_pictures/55316_03grandampasslock_2.jpg



http://www.2carpros.com/forum/automotive_pictures/55316_03grandampasslock2_1.jpg



http://www.2carpros.com/forum/automotive_pictures/55316_03grandampasslock3_1.jpg



http://www.2carpros.com/forum/automotive_pictures/55316_03grandampasslock4_1.jpg



http://www.2carpros.com/forum/automotive_pictures/55316_03grandampasslock5_1.jpg

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Monday, March 9th, 2009 AT 10:43 PM
Tiny
RAZOR316
  • MEMBER
Thanks so much for the very in depth description of how the security system works. I was told that the codes were coming back that it was security system, but had no idea for sure that it was causing this car not to crank sporadically as it was. Thank you Just one more thing: Is the clicking in the dash also the security system?
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Tuesday, March 10th, 2009 AT 5:22 AM
Tiny
LOWCOST67
  • MEMBER
If the clicking is comming from the emergency flashers button. You will need to replace the turn signal switch. Wich is also the lights, wipers, high beams ect. Its all 1 unit
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Tuesday, March 10th, 2009 AT 11:41 AM
Tiny
RAZOR316
  • MEMBER
Thank you for your response. I did take the car to the mechanic today and showed him your responses. He said that he too believed the starting problem was the security and is ordering a kit to fix it. He said the clicking was more than likely the emergency flashers as he has had to change several on that car model. Thanks to both of you for your help. I will recommend this site to anyone I know who has car questions.
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Tuesday, March 10th, 2009 AT 4:12 PM
Tiny
ZACKMAN
  • MEMBER
You are most welcome. Visit us often, and tell your friends.
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Tuesday, March 10th, 2009 AT 8:13 PM

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