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1996 GMC Yukon Question: gtm53@yahoo.com



greg m, 5.7L V8, Mcminnville, OR, December 28, 2010, 20:58

engine turns over but , no spark, no obd2 reading

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, December 29, 2010, 00:07

    By no OBD2 reading do you mean no light on as you drive or no communication with a scan tool. Does the Check Engine Light come on when the ignition key is turned on. Have you a repair manual. Autozone have some popular workshop manuals for free on line once you register (for free) on their website http://bit.ly/autozone_repair_info or there is a company that independent auto repair shops "buy" their information from that offer a very reasonable service to do it yourselvers. You can get a one week subscription or year subscription very cheap. The information is year make and model specific repair procedures, service bulletins, component locations, wiring diagrams ect.... great quality information same as the professionals have ,much better than generic workshop manuals from parts stores, much cheaper than the factory manual try http://bit.ly/mitchell_repair_manuals_online
    and get an online repair manual subscription.

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