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help me get my yota right

Discussion in '2nd Gen 4Runners (1990-1995)' started by jenegirl4ever, Jan 13, 2021.

  1. Jan 13, 2021 at 4:10 AM
    #1
    jenegirl4ever

    jenegirl4ever [OP] New Member

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    jennifer
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    90 yota
    she got low oil pressure and shes a slug going up hill. and she has a ping while climbing up hill. what can i cheak or change to make her all she can be
     
  2. Jan 13, 2021 at 6:40 AM
    #2
    SlvrSlug

    SlvrSlug New Member

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    John
    San Diego, Ca.
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    2017 4-Runner SR-5 P. Kings, Built Right uca’s, Durabumps, RSG sliders
    Slightly modded
    Welcome to the forum Jennifer, the basics would probably start with plugs & wires, see if you have any codes, auto parts store can check to see. Do you know what the maintenance has been on it?
     
  3. Jan 13, 2021 at 6:53 AM
    #3
    jenegirl4ever

    jenegirl4ever [OP] New Member

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    90 yota
    i myself oilchange spark plugs wires cap. other then tats oh had new front driveline put in took off the cat.
     
  4. Jan 13, 2021 at 10:41 AM
    #4
    bthp223

    bthp223 New Member

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    Check or replace frame mounted canister fuel filter.
     
  5. Jan 13, 2021 at 11:07 AM
    #5
    Justthemechanic

    Justthemechanic New Member

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    Nevada desert
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    OME 2” lift, BudBuilt armor, RRO sliders, Spartan rear locker
    Check the ignition timing.
     
  6. Jan 13, 2021 at 12:07 PM
    #6
    atgparker

    atgparker Cal Poly, ETME 1988

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    Andrew
    Mission Viejo, CA
    Vehicle:
    1991 White 4Runner 3.0 L
    Rebuilt Engine MLS and ARP on the heads, DT Header, 2-1/2" CARB compliant Flow-Master CAT with 2.0" Bosal CAT back Dayco 1-1/4" Spacers, SkyJacker M-Series Monotube Shocks, Ball Joint Spacers. 95-9006 K&N Air Cleaner, G-Plus Alum Radiator, ZIrgo 16" Fan, Derale Temp switch/relay
    If the timing is 10° try setting it to 14° and see if that makes a difference? If it does it could be that the harmonic balancer pulley has degraded some and the rubber isolator in the balancer is failing. What is the mileage on the engine and by low oil pressure how to you know that it is low? The 3VZ-E FSM specification for idle oil pressure is low like 10 psi. But with worn out main bearings and old oil the pressure could be well below the lower line on the gauge at idle. The gauge in the dash is not super accurate however.

    My 3.0 L engine prior to its rebuild at 235K would dip below the lower pair of lines at idle and get about mid way when it was revved-up. After the rebuild along with an oil pump modification and the addition of a Hayden remote oil filter system the oil pressure gauge is always now between the two lines and some times above the higher one when I go over 4K on the tachometer. I only ever put in 20W50 motor oil in this engine so the thicker viscosity oil modifiers will help with oil pressure over most all operating temperatures and engine speeds.

    Failing all of the other suggestions the most telling will be to do compression test on the engines cylinders to see if your rings and or valves are OK. If you have a wide difference in measured pressures generated then it might be time to rebuild the engine or replace it!
     
    Fourtoad likes this.
  7. Jan 14, 2021 at 12:28 AM
    #7
    jenegirl4ever

    jenegirl4ever [OP] New Member

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    thank you i will try the timing.
     
  8. Jan 14, 2021 at 12:33 AM
    #8
    jenegirl4ever

    jenegirl4ever [OP] New Member

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    also my yota has airbags but one of the lines have a pine hole in it can i just put a bigger hose over the damaged line
     
  9. Jan 14, 2021 at 10:30 AM
    #9
    atgparker

    atgparker Cal Poly, ETME 1988

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    Mission Viejo, CA
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    1991 White 4Runner 3.0 L
    Rebuilt Engine MLS and ARP on the heads, DT Header, 2-1/2" CARB compliant Flow-Master CAT with 2.0" Bosal CAT back Dayco 1-1/4" Spacers, SkyJacker M-Series Monotube Shocks, Ball Joint Spacers. 95-9006 K&N Air Cleaner, G-Plus Alum Radiator, ZIrgo 16" Fan, Derale Temp switch/relay
    Jennifer,
    You could try that but air springs if they are the primary spring for the suspension will need approximately 70-80 psi to raise the ride height of the vehicle. If they are assisting a coil spring then not so much pressure. So what I am implying here is that a tube over the outside will probably not have enough stretch to grip and seal the pin hole. Even if you were to use hose clamps this might work or you could try safety wire on the out side of the hose to act like a hose clamp.

    Having spent numerous hours and days trying to make a Range Rover's EAS system be rugged and leak free I finally gave up as the air springs or some other part of the EAS system would invariably fail when I went off the pavement. So I have tried many things to keep air in a suspension system and truth be told if it can leak out, it will leak out!...

    However, if the pin hole is in an accessible place you might try roughing up the tubing's outside surface with emery paper. Then mix up a dollop of J&B Weld and coat the tube with it and cover the pin hole. I would make a complete encapsulation by going all the way around the tubes diameter so that the epoxy has a good grip on the tube as it is probably a nylon which is difficult to stick too. Let that cure for 24 hours and I bet that will handle all the pressure you could ever manage in the air bags.
     
  10. Jan 14, 2021 at 1:01 PM
    #10
    jenegirl4ever

    jenegirl4ever [OP] New Member

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    90 yota
    thanks im gona try that with my airline and change my fuel filter today
     
  11. Jan 15, 2021 at 12:47 AM
    #11
    jenegirl4ever

    jenegirl4ever [OP] New Member

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    they are airbags inside of the springs
     
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