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P0103 Mass air flow circuit high input

Tiny
RANDY COLE
  • MEMBER
  • CHEVROLET
1996 Motor home P 30 chevy chassi, 454 engine, 42000 miles. The code reader says P0103 mass air flow circuit high Input. The chk eng. Lite came on while pulling a long hill in a very cold rain storm. It did the same thing in snow about 5000 miles ago but reset it self. IS the sensor bad or could it be something else. Thanks.
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Friday, December 15th, 2006 AT 5:47 AM

1 Reply

Tiny
CANVIS69
  • MEMBER
  • 131 POSTS
The resistance is set by heat of the wire in the maf sensor. If the thing gets too cold but the engine thinks it shouldn't it might set a code. The code resetting is normal if the problem is minor. Actually, it might be the intake air sensor is bad. All I would do is buy the Maf cleaner spray, and clean it. Maybe change the intake air temp sensor if you feel industrious and call it a day.
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Friday, December 15th, 2006 AT 6:26 AM

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