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Pontiac Forum: Big issue with Anti-Theft system?
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  #11  
Old March 25th, 2018, 05:44 PM
MrSteve MrSteve is offline
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Is there any way i can avoid getting a new one of those, it wont be happening for a couple weeks until next paycheck...

Edit: I just remembered i have access to another 99 sunfire, so im going to pull the ignition lock cylinder out of it and re test. Will post results when i have some

Last edited by MrSteve; March 25th, 2018 at 08:14 PM.
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  #12  
Old March 26th, 2018, 09:31 AM
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melsg5 melsg5 is offline
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take your ohm meter and measure the resistance before you pull the whole thing out
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  #13  
Old March 27th, 2018, 07:03 PM
MrSteve MrSteve is offline
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Quote:
Originally Posted by melsg5 View Post
take your ohm meter and measure the resistance before you pull the whole thing out
Yup, will do! Doing it tomorrow morning so i will post results by the afternoon. Wish me luck lol
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  #14  
Old March 28th, 2018, 09:38 PM
MrSteve MrSteve is offline
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Car was dead it has been sitting for 2 years but with a jump fired up, ran for a second and then shut off with the anti theft light flashing..... perfect! Pulled the lock cylinder out and i snagged the coils and ICM as well...

Installed “new” lock cylinder in problematic sunfire, still, same problem.... cranks but does not fire.....
Anti-Theft light remains on solid, does not flash, and does bot turn off

Replaced crank position sensor, no results....

When i get home from work i’m going to pull the battery terminal off and sleep on it, re try again in the morning....

And i was able to grab a resistance value, so fingers crossed!!!!
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  #15  
Old March 29th, 2018, 06:42 PM
MrSteve MrSteve is offline
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Nothing, same as before, pulled plugs and tested for spark, check. Checked for fuel, its getting it, did compression test........

Oh boy, from passenger side to driver side (1-4) it got: 100,55,50,90.......

Shame, body of this car and all the electronics seem to work well....

Anyone in BC Canada want to buy a cheap Sunfire? Lol
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  #16  
Old March 30th, 2018, 09:34 AM
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melsg5 melsg5 is offline
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you did this test with the throttle held wide open?
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  #17  
Old April 1st, 2018, 08:25 PM
MrSteve MrSteve is offline
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Originally Posted by melsg5 View Post
you did this test with the throttle held wide open?
Yes, pulled the valve cover off and tried cranking it, no movement and it has bent pushrods. I scrapped the car

Thanks for all the help along the way though
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  #18  
Old April 13th, 2018, 02:18 PM
DaveHathaway DaveHathaway is offline
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The ignition lock might be faulty. I would say that is your first step to look at replacing that part before you go tearing apart everything else.
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