Question about 1992 GMC Jimmy
92 gmc jimmy, new fuel pump, new spider lines, spark plugs, wires, cap and rotor. what else would prvent from turning over?
Hello there friend. sounds like your hitting your head against the wall. :)
engines only need a few things to run..your task is to determine what is missing...1, they need fuel, to checked this attach a fuel pressure guage to se if geting at least about 40psi (cant remember spec)..if you have fuel pressure, check for spark at spark plug...remove plug and attach wire to plug, grounding it out against engine block ..away from any engine wireing as it can send a voltage spike through system causing further damages...if you have fuel, and you have spark, you must then check to see if you have ai..compresion to be exacy..remove spark plug and crank engine over..see if you can hear air hufing in and out of cylinder..if you have a compression guage install it, your pressures shoudl be within 10% of each other across all cylidners. if not you may have an inernal engine failure..there are many more questions..when and why did it stop running, how was it running prior to failure, etc... is the engine oil saturated with fuel from leaking injectors? this could cause the rings to wash out and not build up compression...i hope thuis helps you out...
Posted on Aug 03, 2010
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Posted on Jan 02, 2017
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