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Lb7 crank no start 6k rail pressure
Also would I just be best off just pulling upper valve covers and testing right on the solenoid studs on top of injectors or just how I did before and just unplugged injector harness and hooking up that way? -
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Lb7 crank no start 6k rail pressure
Ok I have a book infront of me that includes nothing to do with pin outs for ecm to ficm communication was hopping it would be in there but it’s more of an engine building/ engine spec book. I imagine it’s is electrical related have fuel out of a hp line to injector but I believe as you... -
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Lb7 crank no start 6k rail pressure
A few weeks ago when I hit it with a little starting fluid( I know less than ideal and dumb) it would sputter a little bit like it sounded like it wanted to start think this weekend do lab scope procedure on all 8 injectors and compression test to make sure I didn’t sear cam key being dumb... -
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Lb7 crank no start 6k rail pressure
Thanks for the help the guys I appreciate it. Lab scope should be in tomorrow I will get readings tomorrow afternoon or Saturday afternoon and will post my findings. I imagine I should measure all 8. What’s would be bad if this comes back bad? Ficm? What would my next steps be if the tests come... -
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Lb7 crank no start 6k rail pressure
Found this one might just go ahead and order it it’ll be here tomorrow. Any idea what reading should be to injectors? -
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Lb7 crank no start 6k rail pressure
Only code I have is a P0540 air intake heater. Any lab scope you can recommend? -
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Lb7 crank no start 6k rail pressure
Just a regular light bulb tester had the lead hooked to a ground on a battery terminal and unplugged the injector harness and put the prob on the pins. I have a multimeter I can use to see the volts that’s being sent to the injector if that’s a better idea. -
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Lb7 crank no start 6k rail pressure
Hello have used this site in the past but first time poster. I’ve browsed for hours and can’t figure a next step to trouble shoot my truck( 04 lb7). Encountering a crank no start I have 6k rail pressure while cranking, used a test light to determine I’m getting injector pulse. All fuel related...