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Posted on Dec 11, 2009
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Hard to start when cold

It is very hard to start when cold and after that its fine. And i had a code PO122 AND PO123 TPS sensor

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  • Master 7,353 Answers
  • Posted on Dec 11, 2009
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Joined: Sep 17, 2009
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The TPS sensor MAY be bad. I would check that first. Throttle Position Sensor.

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Hi.

The problem is regarding TPS (throttle position sensor located in throttle body). Both codes are TPS voltage out of range (low and high) If you get both codes at once, then :

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You might want to check the wiring to the sensor for cracks, breaks, or melted spots. On the other hand, it is possible for a sensor to be faulty from the start, but unlikely. I think it is a wiring problem, remeber the fault code P0122 means a fault in the TPS circuit, not just the TPS itself, get IT??
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