P0103 code

Asked by buckingdan Jun 01, 2015 at 08:46 AM about the 2000 Hyundai Elantra GLS Wagon FWD

Question type: Maintenance & Repair

I cleaned MAF. Car still stalls.  I disconnected MAF and still stalls. While driving at 40 mph engine shuts off then after awhile she will restart while car is rolling.

buckingdan@gmail.com

Thanks for your time.  This is frustrating :(
Engine run rough while MAF is connected and disconnected.  What's up?

1 Answer
9,815

schalk answered 9 years ago

Possible causes - Faulty mass air flow sensor - Intake air leaks - Dirty mass air flow sensor - Dirty mass air filter - Mass air flow sensor harness is open or shorted - Mass air flow sensor circuit poor electrical connection Tech notes Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with low compress air or mass air flow sensor cleaner. Reset code and drive vehicle. If the code comes back, it may be necessary to replaced the mass air flow sensor. Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light) - Engine stall - Engine running rough - Excessive fuel consumption - Excessive smoke

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