Question about 2006 Nissan Sentra
My 94 Nissan truck runs ruff, if I connect mass airflow sensor. Please note this truck is manual transmission and I have already replaced the truttle body assembly.
Do you know how a solution for this problem?
You most likely need to replace said Mass Air Flow Sensor (MAFS). If you disconnect this sensor, the ECM uses other sensor data to "calculate" fuel delivery. Problem is, this method is not good for real time- meaning that when you hit the gas pedal, the ECM has to calculate the fuel needed and the engine doesn't rev up right, causing more of a driveability issue.
I've replaced quite a few of these sensors. Be sure to buy a new Nissan air filter when you buy the new MAFS. Even if you do the work, Nissan will want to see that should you have a parts warranty (12 months/ 12,000 miles) claim. No air filter replacement (with a Nissan part) = no warranty coverage.
This is not the most accurate test to use to check the operation of a MAFS, but it usually gives you an idea if you're in the right area- idle smooths when disconnected usually means you are in the right area.
Hope this is helpful!!
Nissan Scope Technician- 10+ years experience in Nissan dealership.
Posted on Nov 17, 2008
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Posted on Jan 02, 2017
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