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Bad MAP (manifold absolute pressure) sensor

Tiny
NADEEM
  • MEMBER
  • 2009 NISSAN ALTIMA
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 19,900 MILES
Bad MAP (manifold absolute pressure) sensor
i can, t find the location of the above part can you please help me. Its for 2009 nissan altima 4dr 2.5 s.
Saturday, December 11th, 2010 AT 3:38 AM

17 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Are you sure its not a Mass air flow sensor code, best re check, what code are you getting, ithink that Nissan's do not use a MAP sensor.

Mark (mhpautos)
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Saturday, December 11th, 2010 AT 5:41 AM
Tiny
JACOBANDNICKOLAS
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Two things. First, it falls under the vehicle's emissions warranty (100%). You shouldn't have to pay a cent to have it replaced. As far as location, it is on the throttle body.
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Saturday, December 11th, 2010 AT 5:50 AM
Tiny
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My mechanic told me its not a mass sensor its a map sensor. But he can, t find the location
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Saturday, December 11th, 2010 AT 8:56 AM
Tiny
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Still can, t find it can you send me some kind of diagram
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Saturday, December 11th, 2010 AT 8:58 AM
Tiny
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Also does nissan altima 09 has map or mass sensor or both.
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Saturday, December 11th, 2010 AT 9:07 AM
Tiny
MHPAUTOS
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Looking at Mitchell 1 they show only 3 DTC's for MAF (mass air flow sensor) being P0101 P0102 & P0103 there are no codes mentioned for a MAP sensor, can you please advise the codes that the mechanic was trying to check out.

Mark (mhpautos)
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Saturday, December 11th, 2010 AT 12:57 PM
Tiny
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No idea about the code. In brief, I had a vibration (not shaking) feeling in the steering wheel. Less engine power. My mechanic diagnosed it as the MAP SENSOR was not performing right. He couldn't find the map sensor location in my car. I don't get an engine light. Mechanic also said the mass sensor is giving perfect voltage and it's fine. If there is no map sensor in this car, doesn't know what it could be. As you can tell, this is very frustrating. Any tips?
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Saturday, December 11th, 2010 AT 9:17 PM
Tiny
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Go and get a new scan done, I need the codes, I can't do a lot with out them.

Mark (mhpautos)
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Saturday, December 11th, 2010 AT 10:59 PM
Tiny
JACOBANDNICKOLAS
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Also, I don't believe you have a MAP sensor. Again, if it is either a MAP or MAF sensor, they are covered under the vehicle's emissions warranty and should be done by a dealer. If he can't find the part (and I don't think it exists on your car), you really need to get a second opinion. Again, a dealer can tell you about warranty issues and the problem. And like Mark said, without codes, we are guessing.

Let me know what you find.

Joe
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Monday, December 13th, 2010 AT 6:10 AM
Tiny
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It says a bad Manifold Absolute Pressure Sensor but I can't find it on the car to replace it.
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Friday, March 23rd, 2018 AT 3:21 PM
Tiny
SKBERKA
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MAP sensor, not MAF sensor!
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Friday, March 23rd, 2018 AT 3:22 PM
Tiny
KEN L
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They are calling MAF sensor here is the location f31. Here it is in the wiring diagrams that show the MAF sensor in the engine wiring daigrams.

Check out the diagrams (Below)

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken
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Monday, March 26th, 2018 AT 11:47 AM
Tiny
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I need the location of the MAP sensor! Not the MAF sensor!
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Monday, March 26th, 2018 AT 12:25 PM
Tiny
KEN L
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Sorry the engine diagram above shows a MAF not a MAP. Even the hybrid shows MAF
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Monday, March 26th, 2018 AT 1:57 PM
Tiny
KEN L
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No need to down vote I am showing you what they show me? Cant do anything else but that.
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Monday, March 26th, 2018 AT 7:28 PM
Tiny
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Jacob says its on the throttle body. Can you check that out please?
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Tuesday, March 27th, 2018 AT 9:09 AM
Tiny
KEN L
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Yep here is the location of the MAF please let me know if this looks like you engine.
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Tuesday, March 27th, 2018 AT 12:02 PM

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