Check Engine Light P0401 on a 2000 Ford F-150?

Answer Code P0401 on a 2000 Ford F-150 indicates a problem with the EGR system, otherwise known as the exhaust gas re-circulation system. The function of the EGR is to re-introduce burnt exhaust gases bac... Read More »

Top Q&A For: Check Engine Light P0401 on a 2000 Ford F-150

How to Shut off the Check Engine Soon Light on a 2000 Ford F-150?

Prior to the 1996 conversion to on-board diagnostics-II for all vehicles, diagnosing an electronic failure on a car was tough. Each manufacturer had its own diagnostic protocol, resulting in mechan... Read More »

How to Read Check Engine Light on 2000 Ford Ranger?

The check engine light makes many car owners anxious because they don't know why it has turned on. Many car owners don't know that they can figure out the problem with their car by using an auto sc... Read More »

Troubleshooting a Check Engine Light on 2000 Ford Focus?

The check engine light on all variants of the 2000 Ford Escort turns on when the vehicle's onboard diagnostics detect an out-of-specification sensor reading. If the light is on but not blinking, th... Read More »

The 2000 Protege Check Engine Light Won't Go Off?

If the check engine light in your 2000 Mazda Protege comes on and stays on, then it is signaling that you have a problem somewhere in your vehicle. While it is possible to reset the light, it will ... Read More »