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Starting question

Discussion in 'Technical Chat' started by Major Dad, Nov 12, 2008.

  1. Nov 12, 2008 at 7:17 AM
    #1
    Major Dad

    Major Dad [OP] Member

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    I have a starting question. I have a 1997 Tacoma with a 3.4. Is it normal for it to crank for 5-8 (guessing) seconds before it fires, longer when it’s cold. I have only had this truck for 4 months so I’m not too familiar with its starting.
    Comparing it to one of my other vehicles, 1999 Grand Am you can't let go of the key fast enough and it's started
    I have good fuel pressure, though my spark is not right away when cranking, it comes just before it fires.
    Is it possible that my cam or crank sensor is getting bad?
    Any ideas would be great.

    Thanks
     
  2. Nov 12, 2008 at 7:21 AM
    #2
    HerNameIsLucy

    HerNameIsLucy I miss Lucy. :-(

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    My 02 does the same thing. I have driving lights hard-wired to the battery, when I crank they really dim. Haynes manual says if the battery is weak it can cause hard starting. Figure that's what's going on with mine, soon as I start getting paychecks in again I'm gonna replace it with something kick-a$$.
     
  3. Nov 12, 2008 at 7:34 AM
    #3
    Major Dad

    Major Dad [OP] Member

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    I just replaced the battery with a 675CCA no different. the original one was 550 CCA
     
  4. Nov 12, 2008 at 7:42 AM
    #4
    lakewoodbilly

    lakewoodbilly Well-Known Member

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    what is (was) the current ambient temperature?

    My old '91 toyota would take a little longer to start when it was cold, like the 5-8 seconds you are experiencing. When it was warmer, it would take 2-4 seconds.

    I had one experience where I hadn't driven it in a month because I was moving from CO to NC and it was parked at about 6500 feet elevation. When I went to pick it up, it was -10 degrees and it took us about 5 minutes to get the thing to start.
     
  5. Nov 12, 2008 at 8:07 AM
    #5
    Major Dad

    Major Dad [OP] Member

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    temp doesn't seem to make a differnece. it has been warm and cold.
     
  6. Nov 12, 2008 at 9:09 AM
    #6
    humanoid

    humanoid bite me

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    Change the battery out. Winter is starting rear its ugly head and I'd rather be safe than sorry. Although it's gonna be in the 90s by the end of the week here in SoCal.
     
  7. Nov 30, 2008 at 9:11 PM
    #7
    URBAN ASSAULT VEHICLE

    URBAN ASSAULT VEHICLE New Member

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    Fiberglass Bed, 4-runner hood and fenders, 3-inch lift, 33's, brakes
    I'm having a similar problem with my 97, except the problem gets better when it's cold. It's as if the choke is on all the time. In the summer it takes 3-5 seconds, or in the winter when its warm. However, go out in the morning on a cold day (I live in Toronto so that's like -15) and it starts better than a brand new 09. Can anyone help?
     
  8. Dec 1, 2008 at 4:43 PM
    #8
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    The ECU wont send a spark signal until the oil psi. is up to a set point. Many first gen Tacomas have this "issue".
     
  9. Dec 1, 2008 at 5:10 PM
    #9
    HerNameIsLucy

    HerNameIsLucy I miss Lucy. :-(

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    damn Chris...just with little things like this you've helped me understand what's going on...thanks!
     
  10. Dec 1, 2008 at 8:07 PM
    #10
    TacoNut

    TacoNut IgnoringChrisWatchingEdLi veVicariouslyThroughMJP2

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    i might say change out the battery but i'd listen to Chris:D


    about the grand am american car makers always tend to over-engineer their starters
     
  11. Dec 3, 2008 at 4:38 AM
    #11
    Major Dad

    Major Dad [OP] Member

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    Hey Chris is their a fix for this Issiue or do I have to live with it?

    Thanks
     
  12. Dec 3, 2008 at 4:44 AM
    #12
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    You could could change out you oil psi sneding unit. Drop the oil pan and make sure the pick up is clear, but I think thats about it. Maybe run an engine flush. Its a normal condition for the 3.4. I was thinking about it yesterday, and if, indeed, its takeing 8 sec. to crank, that IS a little on the long side.
     
  13. Dec 3, 2008 at 4:48 AM
    #13
    Major Dad

    Major Dad [OP] Member

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    I have notice that it does take longer for it to start when it is colder out. But when its warm it pops right off. Would you u still change the oil sensor for cold starting problems?

    Thanks
     
  14. Dec 3, 2008 at 4:56 AM
    #14
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    What kind of oil are you useing?
     
  15. Dec 3, 2008 at 4:57 AM
    #15
    Major Dad

    Major Dad [OP] Member

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    Chevron 5W40 synethic
     
  16. Dec 3, 2008 at 5:05 AM
    #16
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Can you time it with a stop watch and let me know exatly how long it is takeing? Maybe switching to a 5w-30 will be a good idea.
     
  17. Dec 3, 2008 at 5:36 AM
    #17
    Major Dad

    Major Dad [OP] Member

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    I will check it tomorrow morning. Would you consider changing the oil sensor anyway?
    And is there only one on it?
     
  18. Dec 3, 2008 at 8:11 AM
    #18
    humanoid

    humanoid bite me

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    Why are you using 5w40 in the first place? It might be too thick for the climate you're in.
     
  19. Dec 3, 2008 at 12:45 PM
    #19
    Major Dad

    Major Dad [OP] Member

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    I've been using it for the past 3-4 years in multiply vehicles and have had no problems with starting issues. But if you think changing to a 5w30 would make a difference I'm willing to try it. Remember this tacoma is new to me and i just picked it up this past summer with 300,000 miles on it.
     
  20. Dec 3, 2008 at 3:59 PM
    #20
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Im still looking into this. I dont know of anyone who has run 5w-40 in their Tacoma. Manual calls for a 5w-30 in your climate. Have you timed how long it cranks yet?
     
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