why is my Honda Accord 10th Generation (2018-2022) jerking when I accelerate

Honda Accord 8th Generation (2008-2012)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

550 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix jerking during acceleration in Honda Accord 10th Generation (2018-2022). 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 systems
•Allow the engine to cool before checking or replacing components

Symptoms

•Jerking or hesitation during acceleration
•Unusual engine noises (e.g., knocking, rattling)
•Check engine light illuminated
•Poor fuel economy
•Rough idle when stationary
•Delayed response when pressing the accelerator

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored diagnostic trouble codes (DTCs)
2
Inspect the fuel system for issues, including fuel pressure, fuel filter condition, and fuel pump operation
3
Check the ignition system, including spark plugs and ignition coils, for wear or failure
4
Examine the air intake system for blockages or leaks, particularly in the air filter and intake hoses
5
Inspect the transmission fluid level and condition to rule out transmission-related issues
6
Test the throttle position sensor (TPS) for proper function and calibration

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
•Torque wrench
•Fuel pressure gauge
•Multimeter

Parts Required

•Spark plugs
•Fuel filter
•Throttle position sensor (if necessary)
•Transmission fluid (if necessary)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored diagnostic trouble codes (DTCs)
2
Inspect the fuel system for issues, including fuel pressure, fuel filter condition, and fuel pump operation
3
Check the ignition system, including spark plugs and ignition coils, for wear or failure
4
Examine the air intake system for blockages or leaks, particularly in the air filter and intake hoses
5
Inspect the transmission fluid level and condition to rule out transmission-related issues
6
Test the throttle position sensor (TPS) for proper function and calibration

Solution

1. Preparation

Gather necessary tools and safety equipment.
Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect and Replace Spark Plugs

Remove the engine cover if necessary.
Use a socket set to remove the spark plugs from the cylinder head.
Inspect the spark plugs for wear, carbon buildup, or damage.
Replace with new spark plugs that meet OEM specifications.
Torque the new spark plugs to the manufacturer’s specifications (typically 13-15 lb-ft).

3. Check Fuel System

Locate the fuel filter and inspect for clogs or dirt.
If necessary, replace the fuel filter with an OEM part.
Use a fuel pressure gauge to measure fuel pressure; compare to specifications.
If the pressure is low, test the fuel pump and replace it if faulty.

4. Inspect Throttle Position Sensor

Locate the TPS on the throttle body.
Disconnect the wiring harness from the TPS.
Use a multimeter to test the TPS for proper voltage output at different throttle positions.
If the readings are outside of specifications, replace the TPS.

5. Transmission Fluid Check

Warm up the vehicle and park on a level surface.
Remove the transmission dipstick and check fluid level and condition.
If the fluid is low or dirty, drain and replace with the manufacturer-recommended transmission fluid.
Ensure the transmission is filled to the correct level.