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Why is my 2007 chevy cobalt is throwing codes p0336 p2135 p0496

Cause engine power reduce car is in limp mode

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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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abauto
  • 353 Answers

SOURCE: why does reduce engine power light comes on chevy

That is a hard problem to pin point without knowing what codes the computer has stored. It can be any number or sensors or engine problems.

You can go to most auto parts stores and they will pull the codes for you for free.

Posted on Jul 27, 2009

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texastbone
  • 63 Answers

SOURCE: 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.

Posted on Jan 06, 2010

  • 3640 Answers

SOURCE: dtc code p0121 and p2135 2007 chevy malibu

both codes refer to the throttle position sensor, the sensor is at the throttle plate, on the side of the throttle body. to test remove the connector to sensor, use a ohms meter to test. put 1 lead to top connection and the other to the bottom one. move throttle and the needles on the ohms meter should move very even, move throttle slow to get a good reading, needle should move without no hesitation, if the test is bad replace tps sensor. if the sensor gets to bad, it can have an effect on transmission shifting. after fixing sensor have the light turned of with an obd2 scanner.

Posted on Feb 20, 2010

  • 1024 Answers

SOURCE: car is in

check and see if the traction control light, abs light are on the dash. those things can put your car in a reduction mode, because the computer thinks you are on a skid

Posted on Mar 24, 2010

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jsmes1027
  • 749 Answers

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

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    Why does reduce engine power light comes on chevy


    That is a hard problem to pin point without knowing what codes the computer has stored. It can be any number or sensors or engine problems.

    You can go to most auto parts stores and they will pull the codes for you for free.

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    What is PO496 code? I've got a PO171B also, which I'm assuming is dirty an O2 sensor.


    2007 cobalt and am getting P0496 code as well. would love to know what is cause!

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