2001 Pontiac Sunfire Logo
Posted on Jan 26, 2011
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Yes I have a 2001 pontiac sunfire. The anti theft system light stays on and the car will only start on warm days. Will not start on cold days?

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  • Expert 227 Answers
  • Posted on Jan 31, 2011
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Joined: Jan 31, 2011
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It has a vat system on it you have to carry to dealer to get fixed

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Related Questions:

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2001 Sunfire anti-theft light on will shut down intermittently right after starting. Any suggestions?

If the security light is on, it probably has a VATS system.
But if the system is not working correctly, or the system thinks the car is being stolen, it will not allow the engine to crank or start.
So you may have two different problems.
I would want to know if you are loosing spark or fuel to proceed with testing. And why the light is staying on.
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MY 2001 SUNFIRE WON'T START. BUT IF ITS SITS FOR A DAY IT WILL START RIGHT UP WHAT CAN THAT BE?

These cars have an anti theft system on them. Sometimes these fail and cause a no start situation. Look at this link and see if it sounds like your symtoms. This might be you answer http://vatspasslockpasskeysecurityhelp.yolasite.com/
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Have a 2001 sunfire , replaced complete steering colum will not start,, anti theft system cuts in.can you help

NEED TO RE FLASH ANTI THEFT . TRY THIS LEAVE KEY ON FOR 10 MIN DONT START.CLCLE KEY OFF THEN BACK ON DO NOT TRY TO START. WAIT 10 MORE MIN , REPEAT PROCESS AGAIN, THEN TRY START....
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99 pontiac sun fire theft light is on and wont start how do i bypass it?\

most car anti theft systems can be disabled in the following way... (aka follow the link)

DISABLE ANTI-THEFT
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I have a 1999 pontiac sunfire with a remote start. Sometimes when I push the remote to start my car, it will start and shut off right away and the anti theft light will flash. Is there something that I can...

no but what you have bad is your remote start brain box that is triggering the anti theft. i suggest taking to a auto electronic place for servicing or stop using remote start.
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97 pontiac sunfire anti theft ligth is on dont turn off or blink

can u explain more about the thin wire and jump the teminals on the right?? i dont get it,, the deal with my car is , the anti theft light its no blinking just stay on, thank u so much
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Ok. my car 97 pontiac sunfire needed a new alternator output cable. guy put a new one on but apparently messed with something else and now its not starting. said the theft light came on and that it isnt...

Tell the guy to call the dealer and ask them how to override the anti theft system or reset it. when you disconnect the battery and lose power it kicks on the anti theft device and it won't get fire.
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THEFT SYSTEM WONT START

If the switch is broken,it will not start and stay running,just start and quit everytime you try.There is a device in the switch that if broken the E.C.M(computer)will not pick up a signal from it.You will need to have it repaired before it will run again.
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