2020 Ford Ranger: check engine light

Filed Apr 16, 2026 · Engine · GA

The cylinder #1 spark plug ignition coil. Check engine light came on and the vehicle began to vibrate while traveling 70 mph. The last 30 miles of the drive on an interstate required no speed higher than 50 to prevent the vibrations. Per the independent service center, Ford has issued guidance that water could enter this compartment and rust the part. A repair costing 847.00 was completed by the mechanic, verifying it was completely rusted. Flashing check engine light came on and then steady light.

Filed Oct 22, 2025 · Transmission · FL

all of these issues: Shuddering at the point of acceleration Inability to reach desired speed Gear lockout Failure to start Shifter “lockout” or being “stuck in park” Hesitation from a stopped position Sluggish performance, including during towing “Check engine” light “Juddering,” which involves shaking of the vehicle during normal operation Loss of power or failure to engage

Filed Aug 9, 2024 · Engine · 50,000 miles · CA

The contact owns a 2020 Ford Ranger. The contact stated while driving at an undisclosed speed, the vehicle stalled with the check engine warning light illuminated. The vehicle was able to restart; however, the failure recurred. The vehicle was taken to the dealer where it was diagnosed with coolant intrusion into the engine, which caused a failure with the spark plugs. The contact was informed that the spark plugs needed to be replaced. Additionally, the contact was informed that an engine appearance shield needed to be installed over the engine. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 50,000.

Filed Nov 1, 2023 · Engine · CA

The Ignition Coil and spark plug failed and caused the vehicle to misfire & lose power under load. The vehicle is available for inspection. Sudden loss of power could have caused a collision due to the vehicle suddenly slowing without warning in traffic conditions. Ford Motor company is aware of the problem and has a service bulletin describing how the lack of an engine cover allows water to get into the spark plug wells causing the failure to occur. Ford's fix is to install the engine cover and replace the damaged components. But will only do so under the standard warranty. Ford was notified of the problem with my vehicle while it was well within warranty. But because a dealer could not schedule an appointment until 9 days after the standard warranty expired, they have denied coverage. Dealership has inspected the components and confirmed problem is related to service bulletin. Check Engine light came on and was flashing when problem occurred. No prior warning or symptom until problem occurred.

Filed Aug 18, 2023 · Engine · 20,000 miles · CA

The contact owns a 2020 Ford Ranger. The contact stated that while his wife was driving at various speeds, the vehicle hesitated and violently shook while depressing the accelerator pedal. The check engine warning light was illuminated. The contact had the vehicle towed to a dealer where it was discovered that the spark plugs, and engine coils were damaged due to moisture from rain or a car wash. The manufacturer was notified of the failure and referred the contact to the federal safety agency Hotline. The vehicle was not repaired. The failure mileage was approximately 20,000.