Engine Mechanical problem
2001 Hyundai Accent 4 cyl Front Wheel Drive Manual 40000 miles
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I just had the crank position sensor changed out due to stalling. Hasn't stalled again since but now, about 200 miles and four weeks later, the engine is very rough almost like a cylinder is missing. Idle RPMs are about 500-600, when 700 is normal at idle. Exhaust smells like unburnt fuel. Low power accelerating. Check engine light blinks. Suggestions?

The computer has detected a problem within the engine management system you need to have the computer scan for OBD2 code/s and comeback with it this is where we start the diagnosis.