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Posted on Jun 10, 2011
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Hyundai Tucson - engine loses power whilst driving, it does not cut out completely. Sometimes also struggling at idle

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PAUL MC G

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  • Master 1,280 Answers
  • Posted on Jun 11, 2011
PAUL MC G
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The drivability issue you describe has a multitude of possible causes. The best advice I can give you is that you take/tow the vehicle to the local/nearest Hyundai Service Department and have it properly diagnosed. Possible causes:
#1. Fuel delivery (Fuel Pump pressure, Injector(s) clogged/leaking)
#2. Vacuum Leak(s)
#3. Faulty Throttle Position Sensor (TPS)
#4. Electrical (Wiring)
#5. Faulty Sensors (Crank Position Sensor, Cam Position Sensor, Idle Speed Control Actuator, Faulty Manifold Absolute Pressure Sensor, etc.)
#6. Contaminated Fuel
#7. Faulty Powertrain Control Module (PCM)
Best advice, get is properly diagnosed.

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