FAULTBASE
Error CodesASKCars
© 2026 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
why does my Honda Accord's engine shake when I start it - Honda Accord
Home/Cars/Honda/Accord/10th Generation (2018-2022)/why does my Honda Accord's engine shake when I start it

why does my Honda Accord's engine shake when I start it

Honda Accord 10th Generation (2018-2022)

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

Problem Statement

Learn how to diagnose and fix engine shaking on startup in Honda Accord. Step-by-step guide with symptoms, diagnostic steps, 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 performing inspections.

Symptoms

  • •Engine vibration during startup
  • •Rough idle after starting
  • •Possible check engine light illuminated
  • •Excessive noise from the engine compartment
  • •Unusual smells (e.g., fuel or burning oil)
  • •Engine stalling shortly after start

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
  • •Fuel pressure gauge
  • •Multimeter

Parts Required

  • •Engine mounts
  • •Spark plugs
  • •Ignition coils (if faulty)
  • •Fuel filter (if needed)

Additional Information

Affected Component
Engine
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
4 items
Parts Required
4 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
  • Tools Needed: OBD-II scanner, socket set, fuel pressure gauge, multimeter
  • Safety Warning: Disconnect the battery before working on electrical components. Allow the engine to cool before performing inspections.
2. Replace Worn Engine Mounts
  1. Lift the Vehicle: Use a jack to lift the front of the vehicle securely and support it with jack stands.
  2. Remove Engine Mount Bolts:
    • Locate the engine mount bolts (usually found on the top and bottom of the mount).
    • Use a socket set to remove the bolts.
  3. Install New Engine Mounts:
    • Position the new engine mount in place.
    • Hand-tighten the bolts first, then torque them to the manufacturer’s specifications (typically around 50-70 ft-lbs).
3. Replace Spark Plugs
  1. Remove Ignition Coils:
    • Disconnect the electrical connector from each ignition coil.
    • Remove the bolts holding the coils in place and pull them out.
  2. Remove Old Spark Plugs:
    • Use a socket wrench to remove the spark plugs from the cylinder head.
  3. Install New Spark Plugs:
    • Ensure the new spark plugs are gapped correctly according to specifications.
    • Install the new spark plugs and torque them to 13-16 ft-lbs.
  4. Reinstall Ignition Coils:
    • Place the ignition coils back into position and secure them with bolts.
4. Test Fuel Pressure
  1. Connect Fuel Pressure Gauge:
    • Locate the fuel rail and attach the fuel pressure gauge to the test port.
  2. Turn on the Ignition:
    • Switch the ignition to the "on" position without starting the engine to check for proper fuel pressure.
    • Record the pressure reading; it should match the manufacturer’s specifications (typically between 30-50 psi).
  3. Replace Fuel Filter (if necessary):
    • If pressure is low, consider replacing the fuel filter and retesting.