When i drive for bout 30 miles it slowly dies on me and i replaced the fuel pump and fuel filter and i dont know what else it is maybe bad pump
I doubt that it was ever the fuel system. The CATALYTIC converter sounds like it is plugging up.
SOURCE: 2003 Chevy suburban dies while driving
eather it is the alatanoter over heating or the coil probly the coil i would beleave
SOURCE: 1986 corvette running rich at idle, give it gas
have you tried checking the map sensor this can sometimes cause the engine to run oddly. also check for good spark check wires when its pitch black out check for wire arching. also check fuel pressure with a pressure guage.make sure cap and rotor are clean of deposits. keep searching and you will find the weak link.
SOURCE: 94 s10 blazer 4.3 vortec,idles pretty good when
check your idle sensor. or it can be the sensor thats hooked up on your catconverter. or a pluged cat conveter
SOURCE: sonoma 2.2ltr misfires under load. have replaced;
Check the fuel pressure regulator, make sure it's working properly and also clean out the MAF sensor with MAFcleaner. it sounds like your having the engine go lean under load. Good luck
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