Have a pick-up that barely passed emmissions I know the fuel and air filters are good(just replaced) So it leads me to believe I have a leaky injector. Do I perform a regular crack test(breaking each line loose from every injector seperatly of course) or from the injection pump?
2006-12-31 13:15:07 · 4 answers · asked by heavyhauldad 3 in Cars & Transportation ➔ Maintenance & Repairs
break the lines lose at the injector and see if it misses. but if this thing has a lot of miles, could be the injection pump. i'd losen the line at the injector and see if the sound of engine changes sound. if not , get the pump and all the injectors checked out. something else, you might need the valves set.
2006-12-31 13:31:52 · answer #1 · answered by cooter_brown872 2 · 0⤊ 0⤋
Yeh, it sounds like the truck is getting too much fuel. There is also a pressure regulator valve (I think). If it was me....I'd replace all of the injectors and the regulator valve because I'm sure this engine is due. Good luck.
2006-12-31 22:47:06 · answer #2 · answered by jeff s 5 · 0⤊ 0⤋
before doing anything take a sample of your fuel in a clear, clean jar and look at it. i bet your fuel look a bright orange color(grade 3 diesel). this engine was designed to run on grade 1(blueish) or grade 2(slightly blueish). if you like additional info holler.
2007-01-01 14:40:32 · answer #3 · answered by ben e 3 · 0⤊ 0⤋
The best way to check them is on a test stand, where you can see the spray pattern and observe when they pop.
2006-12-31 21:19:18 · answer #4 · answered by mark t 7 · 0⤊ 0⤋