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why does my Honda CR-V Fifth Generation (2017-2022) have a rough idle when in gear - Honda CR-V
Home/Cars/Honda/CR-V/Sixth Generation (2023-present)/why does my Honda CR-V Fifth Generation (2017-2022) have a rough idle when in gear

why does my Honda CR-V Fifth Generation (2017-2022) have a rough idle when in gear

Honda CR-V Sixth Generation (2023-present)

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
513 words

Problem Statement

Learn how to diagnose and fix rough idle issues in Honda CR-V Fifth Generation (2017-2022). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
Engine
Estimated Time
2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical components
  • •Allow the engine to cool before starting any maintenance work

Symptoms

  • •Rough engine idle while the vehicle is in gear
  • •Engine stalling at low speeds
  • •Increased engine vibration
  • •Check engine light illuminated
  • •Poor fuel economy
  • •Hesitation during acceleration

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
  • •Socket set
  • •Throttle body cleaner
  • •Spark plug socket
  • •Fuel pressure gauge

Parts Required

  • •Engine air filter
  • •Spark plugs
  • •Fuel filter (if necessary)
  • •Ignition coils (if necessary)

Additional Information

Affected Component
Engine
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
5 items
Parts Required
4 items

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Solution
1. Preparation
  • Gather necessary tools and parts.
  • Disconnect the negative battery terminal to prevent electrical shorts.
  • Allow the engine to cool down before starting work.
2. Clean Throttle Body
  • Remove the air intake duct using a socket set.
  • Use throttle body cleaner and a soft brush to clean the throttle plate and surrounding areas.
  • Wipe clean with a lint-free cloth and reassemble the air intake duct.
  • Reconnect the negative battery terminal.
3. Inspect and Replace Spark Plugs
  • Remove the ignition coils using a socket set.
  • Extract the spark plugs with a spark plug socket.
  • Inspect spark plugs for wear; replace with OEM specified plugs if necessary.
  • Reinstall ignition coils and torque to manufacturer specifications (typically around 7.5 lb-ft).
4. Fuel System Check
  • Use a fuel pressure gauge to check fuel pressure at the rail; it should be within manufacturer specifications (usually around 40-50 psi).
  • If pressure is low, inspect the fuel filter and replace if clogged.
  • Consider cleaning or replacing the fuel injectors if they are dirty or malfunctioning.
5. Vacuum Leak Inspection
  • Visually inspect all vacuum hoses for cracks or disconnections.
  • Use a smoke machine or spray carburetor cleaner around hoses while the engine is running to identify leaks.
  • Replace any damaged hoses found during inspection.