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DTC P1514 Definition: Airflow to TP Sensor Correlation High
When you step on the gas, and the TP opens up, it is set to match the speed of the engine, based on the ECU settings. P1514 means you intake is pulling in too much air for the amount it should be getting at that current engine speed. So basically your getting more air than fuel, because the ECU is adjusting you throttle wrong, you need to lower your air flow. This could be caused by a problem with the ECU, try having the ECU reset, and that may fix your problem. I would not suggest manually restricting the air flow by blocking or pinching the intake tubes or blocking the air filter, this will cause further problems, and would be a temporary and unnecessary fix. If this doesn't fix your problem, than the throttle plate could be out of adjustment by mechanical error, in this cases manually inspect the throttle body.
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