why does my Honda Accord 9th Generation (2013-2017) engine rev up but won't go faster

Honda Accord Eleventh Generation (2023-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

573 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 to diagnose and fix transmission slipping issues in Honda Accord 9th Generation (2013-2017). Step-by-step guide with symptoms and solutions.

Affected Component

Transmission

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before performing electrical repairs to avoid shorts.
•Allow the engine to cool before working on the transmission to prevent burns.

Symptoms

•Engine revs without corresponding increase in vehicle speed
•Unusual noises from the transmission area
•Slipping sensation during acceleration
•Check engine light may be illuminated
•Poor fuel economy
•Transient loss of power during driving

Diagnostic Steps

1
Scan the vehicle's onboard diagnostics (OBD-II) for any error codes.
2
Check the transmission fluid level and condition.
3
Inspect the accelerator pedal position sensor for proper function.
4
Perform a visual inspection of the throttle body for cleanliness and proper operation.
5
Assess the condition of the transmission (e.g., slipping, grinding, or overheating).
6
Test drive the vehicle to observe any changes in performance or symptoms.

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
•Transmission fluid dipstick
•Funnel

Parts Required

•Automatic Transmission Fluid (ATF)
•Transmission filter (if applicable)
•Gasket for transmission pan

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan the vehicle's onboard diagnostics (OBD-II) for any error codes.
2
Check the transmission fluid level and condition.
3
Inspect the accelerator pedal position sensor for proper function.
4
Perform a visual inspection of the throttle body for cleanliness and proper operation.
5
Assess the condition of the transmission (e.g., slipping, grinding, or overheating).
6
Test drive the vehicle to observe any changes in performance or symptoms.

Solution

1. Preparation

Tools Required: OBD-II scanner, socket set, torque wrench, transmission fluid dipstick, funnel
Ensure the vehicle is on a level surface and the engine is cool.
Disconnect the battery to prevent electrical shorts during repairs.

2. Transmission Fluid Check

Sub-steps:
1. Locate the transmission dipstick (usually found near the back of the engine).
2. Pull out the dipstick and wipe it clean.
3. Reinsert the dipstick fully and remove it again to check fluid level.
4. If the fluid is low, add the recommended ATF (Automatic Transmission Fluid) type for your Honda Accord until it reaches the proper level.

3. Inspect and Replace Transmission Fluid

Sub-steps:
1. If the fluid is dark or has a burnt smell, it needs replacement.
2. Place a drain pan under the transmission pan.
3. Remove the transmission pan bolts using a socket set, and carefully lower the pan.
4. Replace the transmission filter if applicable.
5. Clean the pan and magnet, and reinstall it with a new gasket.
6. Fill the transmission with new fluid using a funnel.

4. Check and Adjust Throttle Body

Sub-steps:
1. Remove the air intake duct to access the throttle body.
2. Inspect the throttle body for carbon buildup and clean it if necessary using throttle body cleaner.
3. Reconnect the intake duct once the throttle body is clean.

5. Accelerator Pedal Position Sensor Check

Sub-steps:
1. Locate the accelerator pedal position sensor under the dashboard.
2. Disconnect the sensor connector and check for any corrosion or damage.
3. Use a multimeter to test the sensor's resistance according to service specifications; replace if faulty.