Code 33

MAF Sensor (High Flow Indicated)

 

 

Code 33 is intermittent.  Swap maf with a known good maf.  If sensor is okay, check tips below
Text Box: Code 33 is intermittent.  Swap maf with a known good maf.  If sensor is okay, check tips below

Verify proper maf harness routing and be sure it is not close to High Voltage wires.  If okay, replace sensor
Text Box: Verify proper maf harness routing and be sure it is not close to High Voltage wires.  If okay, replace sensor

No
Text Box: No

Yes
Text Box: Yes
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Clear Codes
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Idle engine for 1 minute or until code sets

   Does the code set?

 
Text Box: Clear Codes Idle engine for 1 minute or until code sets    Does the code set?