my Ford F-150 13th Generation (2015-2020) jerks when I accelerate what's the issue

Ford F-150 13th Generation (2015-2020)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

629 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 Ford F-150 2015-2020. 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 battery before working on the electrical system.
•Allow engine to cool before opening any components related to the cooling system.

Symptoms

•Jerking or bucking sensation during acceleration
•Loss of power or hesitation while accelerating
•Check engine light illuminated
•Rough idle when the vehicle is stationary
•Decreased fuel efficiency
•Unusual noises from the engine or transmission

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Check fuel pressure using a fuel pressure gauge to ensure adequate fuel delivery.
3
Inspect ignition components, including spark plugs and ignition coils, for wear or damage.
4
Examine the air intake system for blockages or leaks, including the mass airflow sensor (MAF).
5
Inspect transmission fluid level and condition; look for signs of contamination.
6
Test the throttle position sensor (TPS) for proper operation using a multimeter.

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
•Fuel pressure gauge
•Socket set
•Torque wrench
•MAF cleaner
•Transmission fluid pump

Parts Required

•Spark plugs
•Ignition coils
•MAF sensor (if necessary)
•Fuel filter
•Transmission fluid

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Check fuel pressure using a fuel pressure gauge to ensure adequate fuel delivery.
3
Inspect ignition components, including spark plugs and ignition coils, for wear or damage.
4
Examine the air intake system for blockages or leaks, including the mass airflow sensor (MAF).
5
Inspect transmission fluid level and condition; look for signs of contamination.
6
Test the throttle position sensor (TPS) for proper operation using a multimeter.

Solution

1. Preparation

Gather tools and parts needed for repairs.
Disconnect the negative battery terminal to prevent electrical shorts.
Allow the engine to cool if it was recently running.

2. Replace Spark Plugs and Ignition Coils

Tools Required: Socket set, torque wrench, dielectric grease.
Remove the engine cover if applicable.
Unscrew the ignition coil bolts and detach the connectors.
Carefully pull out the ignition coils and replace with new ones.
Remove old spark plugs using a spark plug socket and install new plugs, torquing them to the manufacturer’s specifications (typically 13-15 ft-lbs).
Reattach the ignition coils and connectors, ensuring a tight fit.

3. Clean or Replace MAF Sensor

Tools Required: Torx screwdriver, MAF cleaner.
Locate the MAF sensor in the air intake duct.
Disconnect the electrical connector and unscrew the MAF sensor.
Clean the sensor element with MAF cleaner or replace it with a new sensor.
Reinstall the MAF sensor and reconnect the electrical connector.

4. Check Fuel Delivery System

Tools Required: Fuel pressure gauge, wrench set.
Attach the fuel pressure gauge to the fuel rail’s test port.
Turn the ignition to the “on” position (do not start) and check the fuel pressure; compare it to specifications (usually around 30-60 psi).
If pressure is low, inspect the fuel pump and filter for blockages or failures. Replace as necessary.

5. Transmission Fluid Check and Replacement

Tools Required: Transmission fluid pump, funnel, new transmission fluid.
Locate the transmission dipstick and check fluid level; add fluid if low.
If the fluid is burnt or contaminated, drain and replace the fluid using the appropriate type (check owner’s manual for specifications).
Recheck fluid level after replacement.