how to fix rough acceleration in Honda Accord 9th Generation (2013-2017)

Honda Accord Eleventh Generation (2023-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

638 words

Problem Statement

Learn how to diagnose and fix rough acceleration issues in Honda Accord 9th Generation (2013-2017). Step-by-step guide with symptoms and solutions.

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 down before inspecting or cleaning the throttle body.

Symptoms

•Engine stalling during acceleration
•Jerky or uneven acceleration
•Decreased fuel efficiency
•Check engine light illuminated
•Unusual engine noises during acceleration
•Smell of fuel or exhaust fumes

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Inspect the air filter for clogs or contamination that could restrict airflow.
3
Check the spark plugs for wear and proper gap; replace if necessary.
4
Examine fuel injectors for clogs or leaks using a fuel injector cleaner.
5
Inspect the throttle body for carbon buildup or malfunctions.
6
Check the mass airflow (MAF) sensor for dirt or failure.
7
Test the fuel pressure to ensure the fuel pump and filter are functioning correctly.

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
•Throttle body cleaner
•Fuel injector cleaner
•Fuel pressure gauge

Parts Required

•Air filter
•Spark plugs
•Throttle body cleaner
•Fuel injector cleaner

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Inspect the air filter for clogs or contamination that could restrict airflow.
3
Check the spark plugs for wear and proper gap; replace if necessary.
4
Examine fuel injectors for clogs or leaks using a fuel injector cleaner.
5
Inspect the throttle body for carbon buildup or malfunctions.
6
Check the mass airflow (MAF) sensor for dirt or failure.
7
Test the fuel pressure to ensure the fuel pump and filter are functioning correctly.

Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the negative battery terminal to prevent electrical issues.
Ensure the engine is cool before starting work.

2. Clean or Replace the Air Filter

Tools Required: Screwdriver or socket set.
Remove the air filter housing cover.
Take out the old air filter and inspect it for dirt.
If dirty, replace it with a new air filter; if reusable, clean it according to the manufacturer's instructions.

3. Inspect and Replace Spark Plugs

Tools Required: Spark plug socket, torque wrench.
Remove the ignition coil or spark plug wires carefully.
Use the spark plug socket to remove the spark plugs.
Inspect for wear, deposits, or incorrect gap. Replace with OEM-spec spark plugs, ensuring to torque to manufacturer specifications (around 13 lb-ft is typical).

4. Clean the Throttle Body

Tools Required: Throttle body cleaner, soft brush, rags.
Remove the intake duct to access the throttle body.
Spray throttle body cleaner inside the throttle body and scrub gently with a soft brush.
Wipe clean with a rag and ensure the throttle plate moves freely.

5. Test and Clean Fuel Injectors

Tools Required: Fuel injector cleaner, fuel pressure gauge.
If injectors are clogged, use a fuel injector cleaning kit to clean them. Follow the kit's instructions for proper usage.
Test fuel pressure using the gauge; it should be within manufacturer specifications (typically around 40-50 psi).

6. Inspect and Clean MAF Sensor

Tools Required: MAF sensor cleaner.
Disconnect the MAF sensor connector and remove the sensor.
Spray the sensor with MAF cleaner and let it dry completely before reinstalling.

7. Reassemble and Reconnect Battery

Reattach the intake duct and any components removed during the process.
Reconnect the negative battery terminal.