Question about 1993 Buick LeSabre

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1993 buick le sabre no spark problem

The problem is that the car died while idling and has no spark. I replaced the ignition module and checked all the fuses. there are no trouble codes set in computer.dont have repair manual that would give me troubleshooting or wiring diagrams, sure would like some help.Thank you.

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  • sernik97 Jun 23, 2008

    I have a 1993 buick lesabre as well and I have somewhat similar problem, but I have replaced the crank sensor and car will not start. Could it actually be the starter and its just not showing the classical mechanical signs of the starter not functioning?

  • john619 Jul 13, 2008

    ive also replaced the crankshaft sensor

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You should be hable to get some free repair tips at autozone.com, or buy it, but i will recomend you to replace the crankshaft sensor, because the crank sensor and the ignition module is what trigers the coils, i hope and i been help full and i will apreciate the ranking to me.

Posted on Jun 17, 2008

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Thanks for the help on my 93 buick le sabre ive replaced the crank sensor but it still wont start. cranks over ok. no spark. the ignition module has been replaced


thats weird mmmm make sure than you have power going to the black and pink wire or pink with black stripe wire when you turn the ignition on, i don't know what else to recomend you since im not close to the car but the only coming problems on these cars is the module or the crank sensor, did the module installed on it was new? or used? if not sure or even if is new call to auto zone
and ask them if they test ignition modules for free i belive they do and if tehy do take the module out and take it to them, for testing, also by the time you remove the igniton coils turn the ignition on, and make sure you are geting power to one of the coil conectors, and the only way to get to the conectors is by removing the coils, and if there is not power then your ignition switch or a lecttrical problem is present, also make sure to do a cotinuity test to the wires coming from crank sensor to ignition module, check them for open or short to ground

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