prettygirlwithtools Posted June 17, 2014 Report Share Posted June 17, 2014 My 96 deville cut off on me saying service fuel system.. had the car tested and it said it was misfires and injectors 1,4,6,7.. I had a tune up, fuel injcetors cleaned and changed fuel filter as well as the blown fuse.. a few days later the fuse blew again I change it and it did it again within a few minutes.. it drives but it shakes like crazy until I get to about 40mph.. Any suggestion.. Link to comment Share on other sites More sharing options...
winterset Posted June 18, 2014 Report Share Posted June 18, 2014 Check the injector row that had work, and inspect the wires for pinches. Possibly the mechanic removes an injector harness bolt, and when replacing, damaged the insulation on the wires. Link to comment Share on other sites More sharing options...
rockfangd Posted June 18, 2014 Report Share Posted June 18, 2014 I would inspect where the beauty cover mounts to the intake studs and see if wires got pinched somewhere. It is likely when it heats up it pops the fuse. Welcome to Caddyinfo GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
Logan Posted June 19, 2014 Report Share Posted June 19, 2014 There are 2 different fuses for the injectors. One fuse controls the 1,4,6,7 injectors.. The other controls the 2,3,5,8 injectors... Could be a shorted 1,4,6,7 injector. Or..could be a harness rub thru on a bracket or such. It takes the smallest of rub thrus on the harness to create a short. Sometimes nearly impossible to see. Logan Diagnostic LLC www.airbagcrash.com www.logandieselusa.com www.ledfix.com www.ledfix.com/yukontaillightrepair.html www.ledfix.com/ledreplacements.html www.ledfix.com/j42385toolrental.html Link to comment Share on other sites More sharing options...
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