Re: Mass Air Flow Sensor Replaced - Check engine light still on! - updated! « Reply #15 on: March 05, 2016, 01:36:56 PM » FWIW I think the car's computer has a long term memory of past faults to help with troubleshooting. Rather than calculating the air flow from the VE table and manifold pressure (MAP), you can use a mass air flow (MAF) sensor measure the amount of air directly. In some cases this can make the engine easier to tune, and better at adapting to changing engine parameters.Calculating heart rate training zones with MAF is easy. You simply take your MAF number and stay below it by 5-10 beats – then you’re good to go. If, however, you go over the MAF number, you’re training anaerobically. For those who want to get more specific about your heart rate training zones, we’ll use Friels’ approach a little later.
Where is the maf sensor located on a 2004 Jeep Grand Cherokee? Asked by Wiki User. 0 0 1. See Answer. Top Answer. Wiki User Answered . 2014-01-23 10:48:58. It does not have a mass airflow sensor ... Jeep Grand Cherokee 4.7L 2004, Air Charge Temperature Sensor by Delphi®. If you have a dirty air filter, clogged PCV valve, or defective MAF sensor you may be tempted to just run down to the local auto parts chain store for a...