Bought an x and it has trouble starting

Discussion in 'Stock Performance/Mechanical' started by x-driver21, Jan 8, 2019.

  1. x-driver21

    x-driver21 Member

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    Just bought my 2nd x runner and discovered a hidden problem after my test drive and purchase. After the truck sits for a while (more than a couple hours) it has an extended crank time. It will always start up after holding the key for the extended time (5-8 seconds)

    Ive replaced the battery and thrown in a new fuel pump (ordered from Urd, walbarro 255) and the problem is still there.

    I thought i smelled fuel once after cranking once. But i literally had the truck for a day before i took it to the shop so I’m unsure of the coincidence. The shop owner is a friend of mine and assumed the fuel pump was at fault but it apparently was not.
    The truck only has 70k on it. TRD S/C

    Any ideas about possible culprits? Anyone else experienced this?

    We will be running a compression check and fuel pressure check next. We should have done that first.
     
  2. Gadget

    Gadget Well-Known Member

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    Where are you located?

    When it does start do you see any smoke from the exhaust?
     
  3. Gadget

    Gadget Well-Known Member

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    Does it do this on every start?

    If not does it do it on cold or hot starts?
     
  4. x-driver21

    x-driver21 Member

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    Located in inman sc
    None that i could tell that would be problem signaling. It was cold and wet here for a while and it showed some white smoke which made me sweat. Haven’t confirmed now that the weather has been better. But its the same looking as all of our exhaust look.

    It only does it on the fist start after some time has passed. Once it starts and runs for even 2 seconds it fires right back up every time all day. Just not when sitting for a couple hours.
     
  5. madtrucker

    madtrucker Active Member

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    Mine takes awhile to get fired up. At first. 5 seconds no more. I have a stock fuel pump. Even once it's warm it still takes 3 seconds to get going. I don't think the fuel pump runs until I crank the starter. If I turn the key on I don't hear the pump running. It starts every time & runs like a champ. It just takes a few cranks to get going. Toyota told me that it was normal because when I first got it, I asked about it. I like to hear the pump when I turn the key on, then about the third crank of the motor I want to hear ignition. I've always thought it was odd. I still love my X though.
     
  6. Superloki24

    Superloki24 Active Member

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    I have the same issue. I have the TRD S/C, UCON, 255 Walbro, and TRD Intake.
    What makes it way better is if I just turn the key on and let the fuel pump prime up. If I do that then it starts right away. If I don't do that, then it will turn over a few times and almost not want to start. I was going to change the fuel filter this spring to see if that was doing it. The weather doesn't seem to affect it as it does it when its 35°C or -10°C.
     
  7. x-driver21

    x-driver21 Member

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    I hate it when stealerships and mechanics say it’s “normal”

    I need this thing to crank up like all the other vehicles I’ve owned. Not to mention this is my 2nd x and my first was never like this. It’s embarrassing to be somewhere public and it takes noticeably longer to start than a vehicle should.

    Makes me wonder about a leaky injector or a bad fuel pressure regulator.
     
  8. x-driver21

    x-driver21 Member

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    And from my understanding these trucks do not prime the fuel pump until our ECU sees the engine cranking and sensing rpm’s. Which means there is no priming we can.
    I definitely don’t hear mine prime like most vehicles
     
  9. 30Birdy

    30Birdy Member

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    It sounds like a fuel problem to me. I'd start with simple stuff first like fuel filter, kinked lines or any kind of leak. I'm not sure there is anyway to tap into and determine fuel pressure. I'd also suspect the fuel pressure regulator if you already changed the pump.
     
    x-driver21 likes this.
  10. x-driver21

    x-driver21 Member

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    Fuel pressure will be tested tomorrow. I suspect this to be a fuel problem as well. The regulator will be a good place to check
     
  11. x-driver21

    x-driver21 Member

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    Fuel pressure came back good holds 45psi

    My mechanic buddy has no idea anymore.
    I’m not a mechanic and i meant to ask him, but where is the fuel pressure regulator in relation to the location you hook up a fuel pressure gauge? If its after then it could still be the regulator.
    He has basically thrown in the towel and i picked up the truck today for the weekend so some other buddies can help me check over the weekend, hopefully. The tuck Cranked with no issues as before until it sat for some time. Seems to be a longer extended crank if the weather is colder. Is it time to go to a stealership?

    To the guys that have this problem as well, how long has your truck done this? How many miles are you at when you bought, it started (if not always), and how many miles do have now?
    I just do not want to be hurting the truck if there’s an afr ratio. Ill be installing a wideband soon, Ive already recieved it.
    I cannot believe a member on here sold me a truck with this problem and has stopped responding to me after initially saying he was going to help. People the days. :(
     
  12. madtrucker

    madtrucker Active Member

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    I've put 12,000 miles on mine in 6 years. It has 88,000 miles on it now. It has been slow to fire up the whole time. I would like to see a video of yours starting. I can tell you if mine is the same or if yours seems to take longer than mine. I'm not going home until the beginning of March, otherwise I would post a video of me starting mine up so you could compare. If you figure something out I would copy what you do. My girlfriend's Carolla starts right up, so does my Harley. But the X takes several turns of the motor to get going.
     
  13. blackx-runner

    blackx-runner "White Flash"

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    I think that's actually a pretty common problem, although probably not what it should do.
    Do fuel pumps typically have check valves? I know that the system doesn't actually kick on the fuel pump until the truck starts to crank. At least the older models didn't. So if fuel is completely bled back to the tank it could very well take a long crank to get it going.
    When I had a fuel pressure gauge tapped into my truck the pressure wouldn't hold more than a couple hours. Something was letting it bleed off. But I don't think the fuel was bled completely back. It always seemed to crank a little longer than other peoples vehicles, but nothing I felt was too long.
     
  14. NHXRUNNER

    NHXRUNNER "New Hampster"
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    I see from one of your other threads that your truck is S/C. What is it running for tuning? Take a look behind the passenger side kick panel. Is there a piggyback ecu plugged in?
     
  15. x-driver21

    x-driver21 Member

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    I tried to upload a 15sec video but I’m getting an error stating the file is too large.
    What’s bothers me about the start up is it cranks for the extended period, and begins turning over excessively like a cold carb vehicle would for the last couple seconds before it fires up
     
  16. x-driver21

    x-driver21 Member

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    All factory installed and a reflash is what it has. I bought it from another member on here but he’s gone ghost on me for me to figure out what’s wrong. Clearly he knew about it and knew I wouldn’t experience it on warm cranks for the test drive
     
  17. x-driver21

    x-driver21 Member

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    I uploaded the video to youtube check it out!
     
  18. NHXRUNNER

    NHXRUNNER "New Hampster"
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    Seems to be about 2 or 3 cranks more than mine. The part that concerns me more is the stumble at the start. I’ve had this happen a few times when I’ve stalled mine.

    Does this condition change based on the amount of gas you have in the truck? People have had problems with a cracked feed line inside the pump assembly that pulls air below a certain level of fuel causing starting and lean issues.
     
  19. x-driver21

    x-driver21 Member

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    the stumble portion is definitely a highlighted issue for sure.

    It acts the same regardless of fuel level. The truck was basically full on fuel at the time. (Last Night)
    btw 30min can pass and the truck will still have the extended crank but not as severe of a stumble. But again, once it starts up you can kill it, and when you try again it will start right up
     
  20. 30Birdy

    30Birdy Member

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    I agree with the stumbling idle being more of a sign of fuel troubles. If your sure your checked all the external fuel system for problems, I'd say drop the tank or pull the bed and investigate there next. Kinda sux doing this with a new purchase. It would be nice if the previous owner could help you out.
     

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