There are several reasons you might need to change the EGR cooler, but the #1 cause of the P0401 diagnostic trouble code on a 6.7L Power Stroke engine is a clogged EGR cooler. The replacement of the EGR cooler core is called upon in a technical service bulletin released by Ford. This is a guide on changing the internal EGR Cooler core on the 6.7L Power Stroke engine to get the check engine light (CEL) off of your dash...
If you own one of these glorious engines changing the water pump is likely something you are going to have to accomplish sometime in it's long foreseeable lifespan. All is not lost though. The 6.7L PowerStroke is a reliable powerhouse whose water pump can be easily replaced. I admit that the first time I changed one of these, I was in for quite the surprise. There are various hoses and wire retainers that you must take off but that you should be very careful not to damage. It is almost impossible to not break some or all of them...
One of the most common problems on a 6.7L Powerstroke is failure of the exhaust gas temperature sensors. Some of you may be running out of the extended warranty and will have to start doing these yourselves...
I have compiled a short list of some of the most relevant technical service bulletins, TSBs, relating to issues with the 6.7L Powerstroke engine. Article numbers have been provided allowing you to search the internet to find direct links to these articles. I can not directly link these articles to my TSB list I have access to...
Picture this: You are searching through the lot of your favorite Ford dealer shopping for a new or used diesel truck when you spot a newer Super Duty truck. Your eyes widen and your heart paces because you can't wait to get behind the wheel of a quiet purring 800.ft.lb producing monster known as the 6.7L PowerStroke. However, you can't help but wonder if the reliability issues of the previous generation will haunt you...
One of the most common issues that people need help with on the 6.7L Power Stroke diesel engine is diagnosing a code P207F. This is one of the harder codes that a 6.7L PSD can throw at you because this code doesn't actually point to a specific problem. This is what is known as a conditional diagnostic trouble code (DTC)...
A repetitive common issue problem people may need help with on the 6.7L Power Stroke diesel engine is diagnosing a code P0401. This is one of the easier codes that a 6.7L PSD can trigger as there is only a few likely cuplrits causing a P0401. This is what is known as a conditional diagnostic trouble code (DTC)...