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why does my Honda Accord engine light come on when I accelerate - Honda Accord
Home/Cars/Honda/Accord/10th Generation (2018-2022)/why does my Honda Accord engine light come on when I accelerate

why does my Honda Accord engine light come on when I accelerate

Honda Accord 10th Generation (2018-2022)

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

Problem Statement

Learn how to diagnose and fix the check engine light issue during acceleration in Honda Accord. 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 systems.
  • •Allow the engine to cool before opening any components.

Symptoms

  • •Engine light illuminated
  • •Rough acceleration or hesitation
  • •Decreased engine power
  • •Increased fuel consumption
  • •Unusual engine noises (e.g., knocking or pinging)

Diagnostic Steps

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

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

Parts Required

  • •New spark plugs
  • •Ignition coils (if faulty)
  • •Fuel pump (if necessary)
  • •Intake hoses (if damaged)
  • •MAF sensor (if necessary)

Additional Information

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

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Solution
1. Preparation
  • Gather tools and parts required for the repair.
  • Disconnect the negative battery terminal to prevent electrical shorts.
  • Allow the engine to cool before beginning work.
2. Address Check Engine Codes
  • Sub-step 1: Use an OBD-II scanner to read and document the trouble codes.
  • Sub-step 2: Research the codes to determine the specific components that may need repair or replacement based on manufacturer specifications.
3. Inspect and Replace Components
  • Sub-step 1: Inspect the intake hoses; if damaged or cracked, replace them with new ones.
  • Sub-step 2: Check the fuel pressure using a fuel pressure gauge; replace the fuel pump if pressure is outside manufacturer specifications.
  • Sub-step 3: Remove and inspect spark plugs; replace if they show signs of wear (gapping should be checked).
  • Sub-step 4: Test ignition coils for resistance with a multimeter; replace any faulty coils.
  • Sub-step 5: Clean or replace the MAF and TPS if they are malfunctioning.
4. Reset the Engine Light
  • Sub-step 1: Reconnect the negative battery terminal.
  • Sub-step 2: Use the OBD-II scanner to clear the trouble codes from the engine control module.
5. Final Checks
  • Sub-step 1: Start the engine and allow it to idle for a few minutes.
  • Sub-step 2: Test drive the vehicle to observe acceleration and monitor the engine light status.