Codes P0172 and P0175?

Tiny
WSB36
  • MEMBER
  • 2019 FORD F-150
  • 5.0L
  • V8
  • 4WD
  • AUTOMATIC
  • 95,000 MILES
P0172 and p0175 codes at the same time, rough idle, replaced plugs, cannot locate the MAP sensor, cleaned o2 sensors, still have check engine light.
Saturday, June 1st, 2024 AT 11:28 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
The P0172 and P0175 codes indicate that the engine is running too rich. This means there is too much fuel and not enough air in the air-fuel mixture. The first thing to replace is the "Manifold Absolute Pressure and Temperature (MAPT) Sensor" which is difficult to get to because it is at the rear of the intake manifold so it will need to be removed for service of the sensor, (great spot for it right?). Anyway, here are the instructions on how to change it out to help fix the problem.
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Sunday, June 2nd, 2024 AT 10:24 AM

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