Start up problems

Discussion in 'International Forum' started by kev2809, Aug 27, 2020.

  1. kev2809

    kev2809 Light Load Member

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    well no change. the shop went through it and said everything was working great on the bench. i brought it to him without the solenoid since it was leaking and had to be returned. so he had to charge for a new one and for testing it. 300 bucks later and no difference he was thinking it could be worn injectors ‍♂️
     
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  3. kev2809

    kev2809 Light Load Member

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    truck guage has always read low oil pressure since i bought it. reved up will get to around 40...but the truck warmed up normal and running it only shows about 7 to 10 psi. lol always been like that

    im wondering if maybe the injectors are losing prime? i just find it weird NONE of this happened before losing my keys and trying a few ignition switches before having keys made...and the coolant flush...
     
  4. AModelCat

    AModelCat Road Train Member

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    Wait so you changed ignition switches and that's when this issue started? Go back and check the wiring at the switch. 9/10 times when you change something and stuff stops working, the issue is related to what was messed with.
     
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  5. kev2809

    kev2809 Light Load Member

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    well technically no lol. i lost my keys somehow over the weekend. i couldnt get a hold of the locksmith, so i decided to swap the ignition switch..they are too easy on this truck. i swapped in 3, and none of them would start the truck. crank and crank, but not start. thats when i just waited til the locksmith had time and made me new keys for my original ignition switch. and it still does the same thing.. i searched and searched for ignition fuses a d only found the 2 by the starter and ecm...
     
  6. AModelCat

    AModelCat Road Train Member

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    But it worked 100% fine up until that point? I'd recheck the wiring. Make sure its all connected. Give each wire a gentle tug at the terminals. Most wires will withstand a 10 lb tug test. If they don't, the wire was broken inside the insulation and not making good contact.
     
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  7. kev2809

    kev2809 Light Load Member

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    yup everything was completely fine before that
     
  8. 062

    062 Road Train Member

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    That’s hopefully just a bad gauge. If the ecm reads that psi it should shut off. If you can get a scanner hooked up and watch the psi when cranking,then you can eliminate that possibility.
     
  9. kev2809

    kev2809 Light Load Member

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    thats actually the second guage. i was told a few years ago there is not definite number for oil pressure...that these trucks read "normal" all.over the place
     
  10. AModelCat

    AModelCat Road Train Member

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    I haven't seen a truck that has had that parameter enabled. I have only ever seen it enabled on stationary equipment like gensets, since there's never an operator around to monitor it.
     
  11. kev2809

    kev2809 Light Load Member

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    well from what ive heard these motors do shut down with low oil pressure. but either tats not the case or my ecm isnt reading it low i doubt it tho...been 5 years no issues with those oil psi numbers
     
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