MAF Sensor Help
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Mountain Pass
Joined: Dec 2006
Posts: 119
Likes: 1
From: Kissimmee, FL
MAF Sensor Help
Hey guys the other day i was running amsoil power foam through the opening of the Throttle body like the instructions had stated. When i was finished i did what it said drive around blow the stuff out of the engine. Now the check engine light came on i had it scaned and its saying MAF sensor low circuit input. Correct me if im wrong but isnt the MAF located after the aircleaner housing? The symptoms are rough idle, when i accelerate from a stop it bogs down then takes off real hard. Any help would be greatly appreciated. I have an 03' 5.4
Post Fiend
Joined: Jun 2003
Posts: 5,643
Likes: 8
From: NE Texas
Did you happen to get oil on the MAF sensor when you disconnected the intake tube?
It sounds like the sensor is dirty, stumbling like that.
Have you tried to clean it yet? There's aerosol electronic cleaners out there that work real well.
Make sure to disconnect your battery with your headlights on (to drain the system of power) for about 30 to 45 minutes after you clean it.
It sounds like the sensor is dirty, stumbling like that.
Have you tried to clean it yet? There's aerosol electronic cleaners out there that work real well.
Make sure to disconnect your battery with your headlights on (to drain the system of power) for about 30 to 45 minutes after you clean it.
Thread Starter
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Mountain Pass
Joined: Dec 2006
Posts: 119
Likes: 1
From: Kissimmee, FL
No no oil down the tube checked for vaccum leaks. cleaned the whole intake from air cleaner box all the way to the throttle body. the sensor is 170 dollars and ive read a couple of ppl changed the sensor and still no problems fixed.
I just cleaned it tonight still same code is coming up. i disconnected the harness from the sensor and it still drives the same rough idle if i mess with the gas enough i can get it to stall. i just find it weird how soons sprayed the throttle body the MAF is malfunctionsing. are there any other sensors like TPs or Idle air inside the Throttle body that can cause the MAF to read bad?
I just cleaned it tonight still same code is coming up. i disconnected the harness from the sensor and it still drives the same rough idle if i mess with the gas enough i can get it to stall. i just find it weird how soons sprayed the throttle body the MAF is malfunctionsing. are there any other sensors like TPs or Idle air inside the Throttle body that can cause the MAF to read bad?
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