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2002 Tundra 4.7 No Start - LOST

Discussion in '1st Gen Tundras (2000-2006)' started by NickYota92, Sep 27, 2024.

  1. Sep 27, 2024 at 11:59 AM
    #1
    NickYota92

    NickYota92 [OP] New Member

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    2002 Tundra SR5 4WD
    Having some issues I can't seem to remedy.

    I recently had an issue with bad gas, caused my truck to throw the P0300 - P0308 code, random misfire and very rough idle then die. I drained the bad fuel cleaned my fuel lines, replaced fuel filter and added some new fuel. After that same issue occurred. I replaced my spark plugs, cleaned MAF, replaced all vacuum lines and clamps, replaced air filter and cleaned throttle body.
    As a last resort I cleaned my Fuel Injectors, this got the truck running and driving! I drove it about 50-60 miles no issues and parked it until the next morning. Truck cranked fine, no issues. I drove it about 100 yards, stopped at a stop sign, the truck just died and will not start anymore. It will try, stutter a little bit like it is about to fire but, never does then goes back to just cranking, no start.

    I checked my spark plugs, they were all wet with fuel. I cleaned them with carb cleaner and dried them off just to get something start but, this did not work. I'm also getting a strong smell of fuel in my oil as well. Not really sure what else to try. I'm not getting any CEL or Codes. The truck was running great before the bad fuel but, now I'm stumped.

    Any help would be greatly appreciated!
     
  2. Sep 27, 2024 at 12:36 PM
    #2
    shifty`

    shifty` I'm having daydreams about night things

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    '06 AC Limited V8/4WD
    (see signature for truck info)
    Does it crank?

    Are there any codes stored in the ECU?

    Did you check the timing belt to make sure it's intact? Supposed to get changed every 9yr/90k miles although you can get 10yr/10k miles, but V8 on these is interference, you can boat-anchor your engine if it snaps. 10mm to loosen bolts on either timing cover to inspect it's there, tight, not cracked.

    When was the last time the timing belt was done? I ask because the crank position sensor often gets mis-routed, and gets nicked or severed by belt or pulley, which will cause the fuel pump to stop pumping.

    Have you tried spraying ether (starting fluid, buy in can at parts store) into the intake and turning it over to see if it fires? This is a good way to rule out no-fuel as the problem.

    When you cleaned the throttle body, you didn't do anything stupid, like spray throttle body cleaner directly into the throttle body, didja?

    Anyway, baseline here, get back to basics: If it will crank at least, simple stuff first: Prove it's getting spark using starting fluid. If it won't start with starting fluid, then you're likely not getting spark. And that will give you an avenue for investigation once you shore up the big stuff above.
     
    G_unit3000 and 87warrior like this.
  3. Sep 27, 2024 at 4:07 PM
    #3
    w666

    w666 D. None of the above

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    None yet
    I'll take timing belt for $800...
     
  4. Sep 27, 2024 at 6:44 PM
    #4
    NickYota92

    NickYota92 [OP] New Member

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    Cranks fine, does not start. There are zero codes. It just shut up without anything happening, just died.
    I have not done ether and no I didn’t spray anything in the throttle body. I used a lint free rag to lean in and around the flap. Timing belt was replaced 30K miles ago and is tight and still in good shape, no cracks or discoloring, removed the cover closest to the driver side and checked
     
  5. Sep 27, 2024 at 7:13 PM
    #5
    shifty`

    shifty` I'm having daydreams about night things

    Joined:
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    Vehicle:
    '06 AC Limited V8/4WD
    (see signature for truck info)
    I would try starter fluid, see if it pops off. Prove if this is no spark or fuel delivery.

    I would, just as a matter of precaution, verify the crank position wire was properly routed during last timing belt change. If you need pics, they’re in the “so you just bought a 1st gen…?” Sticky thread. Misrouting happens frequently. Belt then nicks the harness, killing ECU signal, thus shutting off the fuel pump as a safety precaution.
     
    Superdave1.0 likes this.
  6. Sep 27, 2024 at 10:11 PM
    #6
    Superdave1.0

    Superdave1.0 New Member

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    On some Toyota vehicles, you can disconnect the MAF sensor and try to start it. If it runs for a couple seconds and then dies, then it's possible the MAF needs to be replaced. A free option to try. You will get a MAF code/check engine light, that will need to be cleared.
     
  7. Sep 28, 2024 at 5:31 AM
    #7
    NickYota92

    NickYota92 [OP] New Member

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    I have tried this before and it died immediately.
     
  8. Sep 28, 2024 at 5:33 AM
    #8
    NickYota92

    NickYota92 [OP] New Member

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    I will check that next. I did buy a new crankshaft sensor to be installed just to have it new. I’ll check this when I go to replace it
     

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