FAULTBASE
Error CodesASKCars
© 2026 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
my Ford Explorer Fifth Generation (2011-2019) has a rough start when cold, what's wrong? - Ford Explorer
Home/Cars/Ford/Explorer/Fifth Generation (2011-2019)/my Ford Explorer Fifth Generation (2011-2019) has a rough start when cold, what's wrong?

my Ford Explorer Fifth Generation (2011-2019) has a rough start when cold, what's wrong?

Ford Explorer Fifth Generation (2011-2019)

Error Codes
1-3 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
528 words

Problem Statement

Learn how to diagnose and fix rough starting issues in Ford Explorer 2011-2019. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
Engine
Estimated Time
1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical systems.
  • •Allow engine to cool before opening any components.

Symptoms

  • •Engine cranks longer than usual before starting
  • •Rough idle immediately after starting
  • •Engine misfires or stumbles during initial acceleration
  • •Decreased fuel efficiency
  • •Check engine light may illuminate intermittently

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

  • ✓Test the affected component to ensure it functions correctly
  • ✓Check for any error codes or warning lights
  • ✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • •OBD-II scanner
  • •Multimeter
  • •Fuel pressure gauge
  • •Socket set
  • •Torque wrench
  • •Air intake cleaner

Parts Required

  • •Spark plugs (if needed)
  • •Ignition coils (if damaged)
  • •Fuel filter (if low fuel pressure is identified)

Additional Information

Affected Component
Engine
Estimated Time
1-3 hours
Difficulty
medium
Severity
medium
Tools Required
6 items
Parts Required
3 items

Related Faults

Loading...

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation
Solution
1. Preparation
  • Gather necessary tools and parts.
  • Disconnect the battery to ensure safety during repairs.
  • Allow the engine to cool down before starting work.
2. Inspecting the Battery
  • Tools Required: Multimeter
  • Check the battery voltage using a multimeter; it should read between 12.4V and 12.7V for a healthy battery.
  • If the voltage is low, consider charging or replacing the battery.
3. Fuel System Inspection
  • Tools Required: Fuel pressure gauge
  • Connect the fuel pressure gauge to the Schrader valve on the fuel rail.
  • Turn the ignition to the "ON" position (do not start) and check the pressure reading; it should match the factory specifications (usually around 30-60 PSI).
  • If pressure is low, inspect the fuel pump and fuel filter for blockages or failure.
4. Ignition System Replacement
  • Tools Required: Socket set, torque wrench
  • Remove the ignition coils and inspect the spark plugs for wear or carbon buildup.
  • Replace spark plugs if worn; ensure they are gapped to the manufacturer specifications (generally around 0.045 inches).
  • Reinstall ignition coils and torque to manufacturer specifications.
5. Cleaning Air Intake System
  • Tools Required: Air intake cleaner, soft brush
  • Remove the air intake duct and inspect the throttle body for carbon buildup.
  • Clean the throttle body using appropriate cleaner and a soft brush.
  • Reassemble the air intake system ensuring all connections are tight and leak-free.