MAF or MAP Sensor?

Tiny
JEFF1545
  • MEMBER
  • 2005 DODGE NEON
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 45,000 MILES
My girlfriend has an 05 dodge neon. The check engine light came on recently and now runs rough. Once the car hits about 2000 rpms it seems to misfire and have a hard time shifting. Even when the car is in park once the rpms hit 2 grand it sputters. Could these be a problem with the mass air flow or MAP sensor?
Monday, May 26th, 2008 AT 7:58 PM

9 Replies

Tiny
BLACKOP555
  • MECHANIC
  • 10,386 POSTS
I have a few ideas of what is wrong with it but the check engine light would confirm them, get back to me with codes after you read this guide.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please run down this guide and report back.

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Monday, May 26th, 2008 AT 9:10 PM
Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
  • 2003 DODGE NEON
  • 150,000 MILES
My little car is vibrating and has no power when I need to get up and go or from a stop and gas mileage went totally down hill, I have just had all the motor mounts changed thinking that was the issue of the vibrating, but no. Sometimes it's so bad that it vibrates my mirror off my wind shield. Sometimes my odometer will vibrate/shake that I don't know how fast I am really going. I was told to get a mass air flow sensor (MAF) but dodge told me there is no such thing only a MAP sensor? Without taking it to the dealer and paying $$$$$ do you have any ideas? Please.
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Thursday, August 27th, 2020 AT 11:15 AM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,796 POSTS
No dealer, find a good shop, they are cheaper.

Hvae a compression test done first. Plugs and wires checked as well.

Is the check engine light on?

Roy
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Thursday, August 27th, 2020 AT 11:15 AM (Merged)
Tiny
DODGENEON02
  • MEMBER
  • 1 POST
  • 2002 DODGE NEON
  • 4 CYL
  • 2WD
  • 185 MILES
Want to have a picture where the mass air flow sensor located. Will be cleaning with CRC MASS air flow sensor cleaner.
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Thursday, August 27th, 2020 AT 11:15 AM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
Hello,

Your car doesn't have a MAF it has a MAP sensor here is the location below. 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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Thursday, August 27th, 2020 AT 11:15 AM (Merged)
Tiny
DODGENEON02
  • MEMBER
  • 1 POST
I got from OBD scanner code P0171. I have change the intake air temp sensor, coil, idle air control. It seems the problem of losing power when you accelerate disappear.
Insufficient in gas is not an issue. Good in gas.

Hard starting especially when car is cold. But after it warm up it become better. The idle sometimes become rough sometimes smooth. And the engine light I still there. What can you say about this? I still have problem.
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Thursday, August 27th, 2020 AT 11:15 AM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
Yep it sounds like a bad map sensor which won't set a code. I would try the sensor and run down this guide to make sure the catalytic converter is not clogged.

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

Please run down this guide and report back.
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Thursday, August 27th, 2020 AT 11:15 AM (Merged)
Tiny
LEWELLA
  • MEMBER
  • 1 POST
  • 1995 DODGE NEON
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 154,559 MILES
Where is the mass air flow sensor?
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Thursday, August 27th, 2020 AT 11:15 AM (Merged)
Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
If u have one it will be after the air filter and before the throttle body it measure the amount of air going into the engine
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Thursday, August 27th, 2020 AT 11:15 AM (Merged)

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