Red and orange check engine light on, will not accelerate past 1000 rpm

2015 FORD F-650
41,000 MILES • 6.7L • 6 CYL • TURBO • 2WD • AUTOMATIC
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The orange check engine and service engine light came on and now the red stop engine light is on. Also, the truck will not accelerate past 1000 rpm in neutral or in gear. I tried to scan it with a obd2 scanner but it only says error. All fluids are full and the truck starts and idles fine, but will not accelerate. How do I reset the lights so that the truck will get out of limp mode? I tried unhook in the battery for a while but that did not work the lights are still on
Feb 6, 2018 at 6:06 PM
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STEVE W.
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When your 2015 Ford F-650 is displaying red and orange warning lights, and it won't accelerate past 1000 RPM, it indicates a serious issue that needs immediate attention. The red stop engine light, in particular, indicates a critical problem that can cause severe engine damage if not addressed promptly.

Resetting the warning lights to get the truck out of "limp mode" is not a recommended solution. Limp mode, also known as "reduced power mode," is a safety feature that is activated by the vehicle's computer when it detects a significant problem with the engine or transmission. It is designed to limit vehicle speed and power to prevent further damage and protect the drivetrain.

Ignoring the warning lights and attempting to reset them to drive the vehicle normally can be dangerous and might cause further damage to the engine or other components. The best course of action is to diagnose and repair the underlying issue causing the warning lights and the acceleration problem.

Given that the OBD2 scanner is showing an error when attempting to scan the vehicle, it indicates that there might be a severe problem with the vehicle's onboard diagnostic system or communication with the scanner.

In such a situation, I strongly advise seeking professional help from a qualified mechanic or taking the vehicle to an authorized Ford service center. They will have the necessary diagnostic equipment and expertise to identify the specific issue and perform the required repairs to resolve the problem.

Attempting to reset the warning lights without addressing the underlying problem is not a safe or appropriate solution and may result in more significant and expensive repairs down the line. It's essential to prioritize the safety and reliability of your vehicle by having it professionally inspected and repaired as soon as possible.
Feb 7, 2018 at 10:27 AM