How to diagnose Diesel Engine making strange sounds | Isuzu FTR 6HH1 Engine There is a problem with this car which is a Isuzu car, it has a six cylinder diesel engine. Let me tell you the issue, if there is a sound in the engine, then we will check the sound. Will do it after starting it, first there is sound and second it has back compression, it blows. It means that the engine is blowing, so we will check it. We have to open this engine, whatever we have done. There will be an issue, we will s