Question about Hyundai Tiburon

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2003 hyndia tiboron gt it has 3 codes on it po102 and po507 and po507pd i have replaced the sensors 3 times and it has high idle when you hit the gas a little i gse from 1000 to 2500 it dose not have

Bad idle control system

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Posted on Mar 29, 2014


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Posted on Jan 02, 2017

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SOURCE: miss fire #3 cyld. compression 125psi idle speed 2500 rpm


A faulty IAC would cause a random misfire rather than a misfire in a specific cylinder, as would an intake air leak, both of which would cause a high idle amongst other things.

Run the engine until its good and hot, disconnect the injector harness plug so the injectors are disabled, remove all the spark plugs, disable the ignition by unplugging the wiring connector(s) from the coil pack(s), and then carry out another compression test on al the cylinders.

If the compressions are now all relatively the same then you very highly likely have a faulty injector in cylinder 3.

Very best regards


Posted on Jun 28, 2008

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SOURCE: "check system charging" is coming on at high RPM's

You have an alternator problem, have Kragen auto or a store like it test the alternator for proper operation, it's free.

Posted on Nov 14, 2008

  • 9 Answers

SOURCE: code po507

have you checked the idle control connector where it plugs into your throttle body for a good connection.

Posted on Apr 07, 2009

  • 1 Answer

SOURCE: my engine idles very high, i can rev the throttle

throttle position sensor (TPS) possibly

Posted on May 04, 2009

  • 404 Answers

SOURCE: check engine light p0171 system to lean bank one,

o2 sensor replace them

Posted on Jun 13, 2009

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