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A common question about trucks equipped with the Detroit series 60 engine is why their mechanical boost gauge doesn’t match their electronic boost gauge. Or why does my mechanical boost gauge read 40 psi of boost, but my electronic gauge only reads 32 psi? These are good questions, and the explanation can be used to describe how most of the sensors on your truck work. I frequently mention on our radio programs the sentiment of “it could be a sensor reading wrong.” In this article, I’ll explain what that means and describe how the engine ECM, or any truck computer,...

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It goes without saying that trucks have increased in complexity over the years. We went from engines with a handful of wires to what manufacturers call "systems," not engines. Two main complaints I hear with new trucks are the aftertreatment and all of the electronics. 

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In a few months, we in the shop have seen the same failure on three different trucks. These engines were different model years with different after-treatment configurations. Two had a DPF and SCR, while the other only had a DPF. The failure mentioned is the DPF outlet cracking horizontally and vertically, resulting in large chunks of DPF falling off into the exhaust system. One was damaged so severely that it began to crumble into pieces. The photos of the failures shown are also on our social media pages if you are interested in looking closer. In these cases, there were...

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If you have been listening to The Power Hour - With Kevin Rutherford of late, you will have heard talk of our chassis dyno getting ready to have a bit of a facelift. Well, the time has come, and the old girl is about to be bigger and better than ever. It took months of planning and waiting, but the parts are finally out of the box, and our engineers, along with a Taylor-certified engineer, have been working feverishly to complete this arduous task in less than a week. Anyone who has been to the shop for tuning or diagnostics...

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Tampering with your modern engines emissions system is illegal and unnecessary. There are many reasons why someone would delete their truck. People come to assume that deleting your truck will eliminate issues in the future. There are insurmountable issues that can’t be overlooked when considering a delete. The most apparent reason is that you can no longer have your truck serviced at your OEM dealer. Many small shops have adopted this approach as well. Locating a shop that has time to work on your truck is hard enough. Servicing or troubleshooting deleted trucks can be difficult and standard means of...

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