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    Thread: Timing is out-- why?? Timing marks are good please help, i ran out of options

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      Exclamation Timing is out-- why?? Timing marks are good please help, i ran out of options

      I have a 2005, replaced the engine with same year, (timing belt broke). Replacement engine is running great BUT on idle is shaking a bit WHY? Replaced plugs, wires, swap coils, swap many sensors, clean intake with seafoam, check valves with vacuum gage (very stable), timing marks ok, clean crank sensor, no vacuum leak, what could it be?
      Ran out of options, thinking to take it to the dealer to adjust the timing thru the computer, Any ideas? I getting crazy here thanks



    2. #2
      Cool Dude.
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      mine does shake a bit on idle as well.
      did you switch the tensioners?
      i did not.
      could be that theyre broken in and the belt is not.

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      Administrator Daox's Avatar
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      I got your PM Marte, glad my thread is helping people.

      Is the idle abnormally low? Have you looked at the engine mounts? Have you looked at or cleaned up the idle air control valve?

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      I replaced the timing belt and the idle but no the tensioner, I took the cover today to check timing marks and are good but i notice the tensioner mark is a little bit out of the first mark, but i don't think this can cause a problem because the belt has not skip or jump any tooth. I phone the dealer and they can NOT adjust the timing thru the ECU. Car idle at 830 rmp, ignition timing advance of piston 1 is at 4 deg, jumping from 2 to 8, that is when i notice shaking. what's your timing advance?

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      no check engine light correct? does it stumble on acceleration at all?

      did you use the old fuel injectors or the dried out ones from the junk yard engine?

      check or replace the temp switch?


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      Almost time to do my timing belt ontarian_frog's Avatar
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      Just FYI, they cannot adjust the timing through the ECU. The only thing I can do really is an idle relearn.

      Idle Air Control Valve Reset Procedure
      Whenever the battery cable or the Engine Control Module (ECM) connector or the ECM fuse EF22 is disconnected or replaced, the following idle learn procedure must be performed:
      1. Turn the ignition ON for 5 seconds.
      2. Turn the ignition OFF for 10 seconds.
      3. Turn the ignition ON for 5 seconds.
      4. Start the engine in park/neutral.
      5. Allow the engine to run until the engine coolant is above 185F (85C).
      6. Turn the A/C ON for 10 seconds, if equipped.
      7. Turn the A/C OFF for 10 seconds, if equipped.
      8. If the vehicle is equipped with an automatic transaxle, apply the parking brake. While pressing the brake pedal, place the transaxle in D (drive).
      9. Turn the A/C ON for 10 seconds, if equipped.
      10. Turn the A/C OFF for 10 seconds, if equipped.
      11. Turn the ignition OFF. The idle learn procedure is complete.
      I leased Pontiac Wave from September 2006 to August 2011.

    7. #7
      Almost time to do my timing belt daug1502's Avatar
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      So if you have a manual transmission with A/C do you have to turn the A/C on and off twice? Also, does this need to be done any time the battery is disconnected?
      http://www.aveoforum.com/phpBB3/view...p?f=41&t=28184
      2008 Aveo5 SV

      I will think of a better signature later.

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      What's wrong with my car?
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      I am running a can of seafoam in the gas, I am thinking INJECTORS, I have swap them and I did notice a small difference, The idle is not too bad but engine is not running the way should be, it respond really good in hills and when i step in. I will make a connector for the injectors to clean them outside.

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      imho seafoam has no place in modern day engines. and could be the issue in itself.

      But do the idle relearn, and see if that helps as well.


    10. #10
      Almost time to do my timing belt ontarian_frog's Avatar
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      Quote Originally Posted by daug1502 View Post
      So if you have a manual transmission with A/C do you have to turn the A/C on and off twice? Also, does this need to be done any time the battery is disconnected?
      Please re-read idle reset procedure from top to bottom, including description.




      I leased Pontiac Wave from September 2006 to August 2011.

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