What Is P2074 Code On 6.7 Powerstroke: How To Fix?

The Ford 6.7L Powerstroke delivers lots of trouble codes notifying the user about the internal difficulties. The P2074 is one of the DTCs & it’s related to the air intake system. 

If you’re getting the DTC & want to know it better, this article is for you. In this article, I’ll be discussing everything from symptoms to solutions to this code so that you can diagnose easily.

What Is P2074 Code On 6.7 Powerstroke

What Does P2074 Code Means On 6.7L Powerstroke? 

P2074 is one of the Diagnostic Trouble Codes (DTCs) of the Ford 6.7L Powerstroke. By definition, this trouble code refers to Manifold Absolute Pressure/Mass Air Flow – Throttle Position Correlation at Higher Load. 

The PCM keeps airflow measurement into the engine through the MAF (Mass Air Flow) Sensor. This is necessary because the powertrain control module needs to maintain a proper air-fuel ratio for optimum performance. 

When the PCM fails to keep up with the airflow measurement or finds irregularities in air amount compared to throttle opening duration, it generates the error code P2074. This problem/code can happen for various reasons, from faulty MAF sensor to faulty air cooler. 

Symptoms Of Getting The P2074 Code On A 6.7

You’ll get lots of visible symptoms if you have an error code. The P2074 isn’t an exception. Here are some of the common symptoms of getting the P2074 code: 

  1. Check Engine Light (CEL) Will Be Illuminated. 
  2. You’ll Notice Lack Of Engine Power
  3. Relatively Weaker Throttle Response 
  4. Rough Driving Experience Along With Engine Stalling 
  5. Lower or Revolution Per Minutes

Expect to have the DTC if you’re getting two or more symptoms mentioned above.

The Causing Factors Of The Error Code P2074  

Error code doesn’t appear without any reason. Like every other error code, the P2074 has some common causing factors & I’ll discuss them in this section. 

Here are some of the most common causing factors of the error code P2074: 

  1. Damaged/Defective Mass Air Flow (MAF) Sensor 
  2. Damaged/Defective Inlet Air Cooler or Pipe 
  3. Restriction or Leaks In The Air Filter 
  4. Air Charge Cooler Leakage 
  5. Crankcase Vent System Leakage

How Serious is Code P2074 On 6.7L Powerstroke?

The PCM needs to maintain a proper ratio between air & fuel. When it fails to do so, you won’t get the expected performance from your 6.7 Powerstroke. 

That being said, you shouldn’t risk your 6.7L ignoring the error code P2074. If you want your truck to perform the best, follow the next segment & solve this error code on your own. 

How to Solve P2074 Error Code On 6.7L Powerstroke?

The error code P2047 is easily solvable & you won’t have to have prior DIY work experience to solve this code. 

Make sure you’ve proper gears along with the user manual so that you can locate specific engine components & inspect them.

Check & Replace The MAF Sensor

Mass Air Flow (MAF) Sensor does the main airflow measuring job. Later on, the MAF sensor sends the information to the PCM that commands the fuel injector to supply the proper amount of fuel. 

Sometimes your MAF sensor may become defective for various reasons. Inspect your mass airflow sensor well & see if there are any signs of defectiveness (like greenish metal colour). 

If you’ve detected the MAF sensor is somewhat faulty, replace it following the step-by-step guide:

  • Step 1: Open The Hood & Disconnect Every Electrical Connector Related To The Mass Air Flow Sensor
  • Step 2: Gently Disconnect The MAF Sensor By Removing The Clamps 
  • Step 3: Replace The Old MAF Sensor With The New One & Attach The Clamps Again. 
  • Step 4: Reconnect All The Previously Disconnected Electrical Connectors. 

That’s how you can replace your faulty mass airflow sensor on your own. 

Check & Replace The EGT Sensor

The Exhaust Gas Temperature (EGT) Sensor measures the temperature of the exhaust gas & converts them into voltage so that the PCM can read them. Later on, the PCM takes the necessary steps to maintain the temperature of the exhaust gas. 

Sometimes this EGT sensor can become faulty & cause the error code P2074 to appear in the dashboard. This sensor should be located in front of the DPF (Diesel Particulate Filter). 

Try following the next step by step replacing guide if you find your EGT sensor to be faulty: 

  • Step 1: Locate The Sensor & Disconnect Electrical Connectors Related To The EGT Sensor.
  • Step 2: Detach The EGT Sensor Unscrewing The Supportive Bolts Using A Socket Wrench 
  • Step 3: Prepare & Replace The New EGT Sensor In The Correct Place
  • Step 4: Reconnect All The Previously Disconnected Electrical Connectors 

Make sure to check if the new DPF Sensor is working fine via a road test. 

Check & Replace The Air Filter 

The air filter ensures that your car engine doesn’t inhale air with contaminations & allows only fresh air. Over time the air filter becomes dirty & starts to malfunction. 

A malfunctioning air filter will limit the air entering the engine & can cause the error code P2074 to appear. Inspect the air filter & try cleaning it. If cleaning doesn’t work in removing the DTC, replace it. 

Here is the step by step guide for replacing an air filter of the 6.7L Powerstroke: 

  • Step 1: Locate The Air Filter & Unscrew Three Supporting Bolts 
  • Step 2: Pull The Air Filter Out
  • Step 3: Clean The Inner Surface With A Vacuum Cleaner or Just Wipe Out Dirts With a Clean Cloth 
  • Step 4: Replace The New Air Cooler & Use a Screwdriver To Screw The Three Supporting Bolts

That’s how you can replace the air filter. Remove the code & see if it returns or not. 

Replace Faulty Intake Air Cooler or Pipe

If the mentioned troubleshooting methods were failures, I have the last method for you. You’ll have to replace the intake air cooler or pipe & hopefully – the error code P2074 should be solved. 

You can watch the video tutorial below to know how exactly you can replace the air cooler on your own: 

2013+ Dodge Ram 6.7L Cummins Intercooler Kit Installation Guide by Mishimoto – YouTube

How Much Does It Cost To Solve The Error Code P2074?

It depends on which replacement parts you’re getting. For your clearer understanding, here are the prices of the potential replacement parts: 

  • The MAF Sensor Costs $70 to $100
  • The EGT Sensor Costs $40 to $60
  • The Air Filter Costs $30 to $40
  • The Intake Air Cooler Costs $30 to $60

On top of that, add extra $75 to $150 labour fees if you’re getting this work done from an auto shop. 

Common Mistakes While Solving The P2074 Code

If you’re getting the solve part done on your own, you may mistakenly commit some mistakes while doing so. Try avoiding these common mistakes mentioned below: 

  • Not Having The User Manual To Find The Placement Of The Engine Components. 
  • Replacing The MAF Sensor Without Knowing The Exact Problem. 

Additional Comments To Consider Regarding The P2074 Code 

The DTC P2074 indicates problems with air entering into the engine. You may not notice the symptoms that well in the primary stage; don’t ignore them all around. 

Ignoring the code/symptoms at the primary stage can lead to higher replacement/repair costs in the future. That’s why it’s better to get rid of any DTC of theFord 6.7 as soon as possible. 

Conclusion 

I hope this article was helpful enough in informing you about the error code P2074. Now you know the ins & out of this trouble code. 

It’s up to you whether you’re getting the work done yourself or simply hiring someone to do that for you. Both of the options are okay.

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