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Intermitant Cranking Problem GM 3800 Buick Le Sabre

Some One Said To Bypass Anti- Theft Module Input Circuit To The ECU. Its Not Reading The Chip In The Key

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  • Joe Stanton May 09, 2013

    This Is Not A 89 Firebird Nor Is It Stolen. I Have The Key. The Resistance In The Key Chip Is Less Than 1 Ohm.(.9 Ohm).The Car Is Worth Less Than The Price Of The Ignition Switch. This Switch Is The Only Fix That I Have Seen Posted That Worked In Other GM Junk. This Is Another Example Of Over-Engineering. You Cant Give These 3800 Series Cars Away. Who Would Steal One?

  • Joe Stanton May 09, 2013

    Please Don't Tell Me To Buy A Used Ignition Switch . Most Of These Cars Are Worn Out After 5 Years Anyway 1992 Was Not GMs Best Year.



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  • Cars & Trucks Master
  • 5,680 Answers

Could be crankshaft sensor.

Posted on May 08, 2013

Testimonial: "The Crankshaft Sensor Does Not Have Anything To Do With The Anti-Theft Module Shutting The ECU Off. Key Switch On ,Jump Solenoid At Starter Engine Runs Then Shuts Off .A Function Of The Anti- Theft Feature. Disabling The Engine. "


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