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Error Codes P0505 and P0123 on 2000 Dodge Caravan

My 2000 Dodge Caravan and idling very rough and stalls when letting off the accelerator when driving. I have replaced the TPS, but still have code P0123 as well as P0505 showing. The connections seem to be OK and no shorts in the wires at the connections. If I unplug the TPS while running, there is no change in how the engine is running.

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  • dannycruffph
    dannycruffph Jan 20, 2013

    I have replaced both the Idle Air Control and Throttle Position Sensor and neither has helped the problem.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: 1997 dodge ram 1500 stalls when driving

check vacuum hose into throttle body, also clean throttle body orifices and iac. remove iac [engine off] and have someone turn key to on to see if plu8nger works. just a thought .

Posted on Dec 25, 2008

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hi99ins
  • 123 Answers

SOURCE: 88 dodge dakota has rough idle and stalls at slow down.

Change/thoroughly clean the idle control solenoid. It may be sticking and causing rough idling.
Cleaning it is unlikely to be more than a short-term solution.

Posted on Jan 07, 2009

gdmisp
  • 66 Answers

SOURCE: 2000 dodge intrepid engine light on, power loss, rough idle

P0304 Cylinder 4 Misfire Detected P0354 Ignition Coil 4 Control Circuit P0204 Injector 4 Control Circuit You need to check injetror wires an coil wires .If good, The new coil my not be good.The Injector my be bad. If good it the ECM Check all fuses.

Posted on Jan 15, 2009

ironhorse186
  • 4 Answers

SOURCE: 1999 Dodge Caravan running rough at idle and lack of acceleration

Here are a few things to check that aren't that exspencive to do. check you'r o2 scener and the map scencer.try tapping on the cadiletice convertor to see if can hear any rattling if there is any rattliling the cadiletice converter could be clogged and will need to be replaced.You can also have the emission control module tested to see if it working properly.

Posted on Feb 10, 2009

countrysi248
  • 443 Answers

SOURCE: rough idle, backfire on acceleration

check everything you can under the hood your air intake system all of it especially make sure all clamps are tight .. and make sure all vacuum hoses are good and not cracking or broken or just loose . you might run a little fuel cleaner through a tank of gas too cleaning the engine fuel system up some. just a few ideas.. Jerry

Posted on Apr 12, 2009

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