Question about 2005 Chevrolet Cobalt

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2005 chevrolet cobalt-code BOO12

What does code BOO12 mean

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: what does code 108 mean

map sensor

Posted on Oct 15, 2009

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SOURCE: 2005 Chevrolet Cobalt in "limp home mode" code 606

P0606 indicates Control module internal performance. GM is indicating of the replacement ECM. Once replacement is completed reprogramming the ecm is necessary. Locally a few auot parts stores can reflash the ECM.May want to check with a NAPA or Carquest for this otherwise dealer is probably the only option.

  • Using a scan tool, retrieve the percentage of remaining engine oil. Record the remaining engine oil life.
  • Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  • jsmes1027_30.gif
  • Disconnect the small engine control module (ECM) harness connector (3) from the ECM.
  • Remove the bolt retaining the large ECM connector to the ECM.
  • Disconnect the large ECM harness connector (4) from the ECM.
  • jsmes1027_31.gif
    Notice: Control module damage may result when the metal case contacts battery voltage. DO NOT contact the control module metal case with battery voltage when servicing a control module, using battery booster cables or when charging the vehicles battery.
  • Use the retaining tab to release the ECM from the underhood junction block bracket.

  • Reverse process for installation

    Posted on Dec 11, 2010

    • 7353 Answers

    SOURCE: what does trouble code u0078

    what is giving trouble? what does not work? a u code is usually a communication code, but you always start with a complaint.

    Posted on Sep 15, 2011

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    What causes my 2005 cobalt to go in limp mode. Brand new battery,throttle body serviced last month

    You may have to scan the computer & read & clear the codes.See if anything is causing it. vacuum leaks are troublemakers

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    You can reset it with the battery for 30s just remove the negative plug

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    I researched this and found the following information. Hope it helps: P0455 means a gross leak detected in the Evaporative Emissions System. Some call this a "gas cap" code, because the most common cause a loose or failed gas cap. But it could be caused by any vapor leak in the fuel tank, filler neck, or anywhere else in the vapor management system. If it isn't a gas cap, you will need tol take it someplace where they have a smoke machine that can find the leak using smoke.

    May 09, 2014 | 2005 Chevrolet Cobalt

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    Code u2100

    Means that the scan tool the shop uses can not communicate with your computer. This tells me that there is a broken or shorted wire somewhere between the connector and computer in your car, or the computer in your car is bad.

    Dec 03, 2013 | 2005 Chevrolet Cobalt

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    What does trouble code u0078 on a 2005 cobalt mean and how do i fix it

    what is giving trouble? what does not work? a u code is usually a communication code, but you always start with a complaint.

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    Where is the bank one o2 sensor in a 2005 chevy cobalt?

    bank one means the first one in the system, start at the manifold off the engine and following it back to the pipes, the first o2 sensor you come accross is bank 1

    Good Luck!!

    Mar 21, 2010 | 2005 Chevrolet Cobalt

    2 Answers

    2005 chevy cobalt, car wont start ... check

    disconecting the battery should reset the pcm. but you will need to find out what caused the problems.

    Jan 06, 2010 | 2005 Chevrolet Cobalt

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    2005 chevy cobalt 37.000 miles engine light on. Code is obdIIpo449b any idea what it is the car runs great


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