Question about 1993 Oldsmobile Bravada

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93oldsmobile bravada when i crank it pop and motor vibrates full tuneup new fuel filter new mafesensor.

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  • mike loshbough
    mike loshbough May 11, 2010

    these have a problem with egr valve sticking open do to carbon deposits which causes a vacuum leak which you can not here .take off valve and if deposit is stuck in little opening take a small screwdriver and push in the valve this should dislodge the partical egr is in front top of engine held on by 2 10mm.bolts please rate this answer every little bit helps

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You may have a wire crossed on the coil packs or it has jumped timing '' or the rank shaft pition sennser is bad'''my name is james
you can e-mail me back at jay_win2002@yahoo.com.

Posted on Jan 30, 2009

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