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    87 P30 5.7 TBI Help please

    Absolutely, just wanted to relay the resolution, as nothing is more frustrating than when someone fixes something and doesnt report back lol. It was odd still how the injector stayed open as opposed to not working at all. I checked the board closer and they just so happened messed it up to give...
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    87 P30 5.7 TBI Help please

    So to report back. The ecu was the issue. Palmetto bugs had gotten into the customers computer (nice warm area as most electronics are) and shorted out the connections inside. Replacing the ecu fixed all the injector issues.
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    87 P30 5.7 TBI Help please

    Absolutely
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    87 P30 5.7 TBI Help please

    Driver is bad. Customer needs it back on road asap so quickest fix.
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    87 P30 5.7 TBI Help please

    Sorry, I know it works by giving ground. I have it running off 1 injector, because it will run off 1 good injector versus trying to split power /ground across both injectors. I already pulled the temp sensor. I am able to move it now and already ordered a new ecu and and injector terminals (they...
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    87 P30 5.7 TBI Help please

    I put pulse lights on it and definitely running wide open on that side, no pulse just full on Thanks everyone for help
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    87 P30 5.7 TBI Help please

    Its definitely running wide open I cut the wire and tried to jump it to working pulse wire not enough volts to run both injectors but it didnt spray at 100% and it tried pulsing.
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    87 P30 5.7 TBI Help please

    Yea just getting it off beach to shop
  9. T

    87 P30 5.7 TBI Help please

    Just got it traced it's a solid signal from ecu. Can I jump the wire that's working properly to temporarily fix it? It's the green wire that's bad
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    87 P30 5.7 TBI Help please

    I forgot to mention it has to be something to do with wires or signals because can reverse the wires and same thing happens to other side
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    87 P30 5.7 TBI Help please

    No need to apologize, I greatly appreciate it. I've been doing mechanic work for 20 years+ never seen anything like it. I'm going to pull it all off clean it up wanted to try to get it to the shop as it's on the beach at the moment. I might try tapping into other injector wire see if I can at...
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    87 P30 5.7 TBI Help please

    Fuel pressure is perfect
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    87 P30 5.7 TBI Help please

    That's why I'm stuck. I dont understand it effecting only 1 side. Would think that if it's an ecu issue wouldn't be giving it a ground and wouldn't work at all. Versus filling up the throttle body in 3 seconds lol Also if I unplug it then nothing leaks on that side so is definitely coming from...
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    87 P30 5.7 TBI Help please

    Yes new o rings and new gasket
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    87 P30 5.7 TBI Help please

    The side that's wide open I replaced with brand new injector same thing stays wide open.
  16. T

    87 P30 5.7 TBI Help please

    I have a truck stranded that I need help to get running. Injector on driver side works perfect. The injector on passenger side just stay wide open and never stops spraying fuel. I unplugged it and truck will run rough off just the working injector. What can cause 1 injector to stay wide open...

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