The engine seems to lose power when idling, or just driving at highway speeds, especially when the air conditioning is on.
A compressor draws a lot of power
SOURCE: Hyundai Tucson - engine loses
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.
SOURCE: We have a 2002 Sante fe Automatic AWD. We seem to
It sound like a plugged up catalytic converter to me. If you have more question about this feel free to ask and I will answer then as soon as possible Thank You
SOURCE: 2003 Hyundai Santa Fe V6-2.7L. Engine has rough
There are several possible causes for the drivability issue you describe. I'd be guessing at this point with the limited information here. Best advice, take it to an authorized Hyundai Service Department & have it properly diagnosed. This way you'll find out exactly what the problem is and what it will take to fix it.
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