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Randomness of my Blazer

Discussion in 'Mechanic's Corner' started by drperry, Apr 3, 2010.

  1. drperry

    drperry Fox 1! Fox 2! Fox 3!

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    I know... But even if the material wasn't flammable, it should've stumbled if there was a leak, right?

    It could be electrical, but if it's not throwing a code, I can't track it down :lol:


    This is why I need the scanning :lol:
     
  2. Texas Jim

    Texas Jim Texas..It's a Whole 'nuther Country

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    Darling Wife says that I have played on the computer enough for today. :)
    It is bedtime.

    We can continue this in the morning.

    :cheers:
     
  3. Texas Jim

    Texas Jim Texas..It's a Whole 'nuther Country

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    Yes..."IF" there was a vacuum leak...there should have been SOME reaction.

    If it could burn it... idle would speed up...
    If it couldn't burn it... there should also have been some indication.
     
  4. drperry

    drperry Fox 1! Fox 2! Fox 3!

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    :lol:

    Goodnight to you and the missus!
     
  5. OldCracker29

    OldCracker29 There's a world going on outside the world that I'

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    The easiest way I have found to determine a vacuum leak is, while the engine is running, unscrew the engine oil fill cap. If you have a leak, you'll hear a sucking sound. If you put your hand over it, it should grab your hand like a vacuum cleaner would. :dunno: This is how I determined my '99 intake manifold was leaking.
     
  6. drperry

    drperry Fox 1! Fox 2! Fox 3!

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    I'll give that a shot tomorrow, but I'm doubting it's a vacuum leak... Though, if it is... It's going to be a PITA to track down :dunce:
     
  7. drperry

    drperry Fox 1! Fox 2! Fox 3!

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    Well, no vacuum leak... Or at least not leaking enough to have the oil filler tube have any kind of suction to it...
     
  8. Draenor

    Draenor KILL ALL HUMANS!!!!

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    Have you replaced the fuel filter?
    Have you checked fuel pressure?
    Last time you completed a tune up?



    I have some rough idle at start up in my '01 right now that is perplexing.
     
  9. drperry

    drperry Fox 1! Fox 2! Fox 3!

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    Yep, did the fuel filter less than 20,000 miles ago... But I've got another one ready to go in when I stop being lazy :lol:

    Gotta go see if I can find me a pressure guage somewhere, to check the fuel pressure, but it's been like this since I've owned the vehicle... I bought it with like 31,000 miles on it.

    Did a complete tune up less than 20,000 miles ago as well...
    There's no light show under the hood signifying bad plug wires, either :dunno:
     
  10. Stumpuller6.5

    Stumpuller6.5 Shits gonna get Abrasive...

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    i have a fuel pressure tester if you need to borrow one dennis. :)
     

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