2007 Ford E-150 Has Rough Idle

Troubleshooting Causes of Rough Idle in Your 2007 Ford E-150 and How to Resolve Them

Find Repair Location
Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
21% chance it's the
Spark Plugs
0%
15% chance it's the
Ignition Coil
0%
64% chance it's
Something else
The most common reasons a 2007 Ford E-150 has rough idle are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil.
  • Spark Plugs: Worn or fouled spark plugs can lead to misfires, poor fuel economy, and difficulty starting the engine.
  • Ignition Coil: A faulty ignition coil can cause misfires, rough idling, and difficulty starting the engine due to inadequate spark delivery to the spark plugs.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2007 Ford E-150 has rough idle?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

Here are a few common symptoms of worn-out brake pads:

  1. Low brake pad warning light is on: Not all vehicles are equipped with this system, but if yours is, this dashboard indicator light will likely be the first signal it’s time to replace your brake pads.
  2. Brakes start to squeal regularly: This is often one of the first signs of worn brake pads and is caused by a metallic piece built into brake pads for this exact purpose. This part contacts the brake rotor to make a squealing or whining noise when the pads are low.
  3. Brakes make loud grinding noise: If not addressed early enough, your brake pads may get so worn that the metal backing plate of the pad grinds against the metal rotor.
  4. Brake pads look thin: You may be able to visually check your brake pad thickness to determine if they need replacement.

Most often, a brake system inspection will just be a routine portion of manufacturer specified maintenance, and will be performed at mileage intervals. In those cases, there will likely be no symptoms. However, when a brake system makes a funny noise, causes vibration, is hard to use, will not slow the vehicle, prevents the vehicle from driving, makes the vehicle pull to one side, or leaks brake fluid, the vehicle will need a visit dedicated to the inspection of the brake system.

What are the steps to diagnose a rough idle in a 2007 Ford E-150?

To effectively diagnose a rough idle in your 2007 Ford E-150, begin by observing the engine's behavior at idle speeds. If you notice symptoms such as engine shaking, fluctuating RPMs, or vibrations, these can be key indicators of the underlying issue. Start with the simplest solutions, such as inspecting and cleaning the pickup tube screen, as well as checking the fuel filter, which can significantly affect engine performance. If the rough idle persists, consider examining the timing components and the oil pump, as these can also contribute to the problem. Utilizing diagnostic tools like Forscan can provide deeper insights into the engine's performance, allowing you to monitor Long Term Fuel Trims (LTFTrims) for any significant shifts that may suggest a rich fuel mixture. By following this structured approach, you can systematically identify and address the causes of rough idling, making the process manageable whether you are a seasoned mechanic or a DIY beginner.

What are the common causes of a rough idle in a 2007 Ford E-150?

When dealing with a rough idle in a 2007 Ford E-150, it's essential to understand the common problems that could be at play. One of the first things to check is the air filter; if it's dirty or clogged, it can significantly restrict airflow to the engine, leading to performance issues. Additionally, inspect the spark plugs, as worn or faulty ones can cause misfiring, which directly contributes to a rough idle. Another critical area to examine is the vacuum system for any leaks, as these can disrupt the air-fuel mixture essential for smooth engine operation. Fuel system components, including the fuel filter and injectors, should also be assessed, as clogs or malfunctions here can severely impact engine performance. Furthermore, the Mass Airflow Sensor (MAF) plays a vital role in regulating the air-fuel mixture, and any faults in this sensor can lead to idling problems. Lastly, the Idle Air Control Valve (IAC) is crucial for maintaining the correct idle speed; if it's malfunctioning, it can cause the engine to idle roughly. By systematically checking these components, DIYers can effectively diagnose and address the rough idle issue in their E-150.

How urgent is it to address the rough idle in my 2007 Ford E-150?

Addressing the rough idle in your 2007 Ford E-150 is not just a matter of comfort; it is crucial for the overall health of your vehicle. A rough idle can indicate serious underlying problems, such as issues with the fuel system, ignition components, or even engine wear. If left unaddressed, these symptoms can escalate, leading to more severe engine damage and costly repairs. Additionally, a rough idle often correlates with decreased fuel efficiency and increased emissions, which can impact your wallet and the environment. Therefore, it is essential to prioritize this issue and seek timely repairs to ensure your vehicle runs smoothly and reliably, ultimately prolonging its lifespan and maintaining its performance. Ignoring these signs can lead to significant safety risks and financial burdens, making it imperative to act swiftly.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.