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EGT

Posted: Tue May 13, 2014 11:12 pm
by ColinK
Anyone know what the exhaust gas temperatures should be on YD25 diesel engine.
Under load mine goes up over 750 deg C (1400 deg F), which I am sure is too high and may be indicating worn injectors?
Did take it to Nissan to query, but not sure they even know what EGT is.

Posted: Wed May 14, 2014 6:01 am
by disallow
Is that all the time, or just when you are doing a regen? Any check engine light? Fault codes? I agree that sounds high if its all the time.

Posted: Wed May 14, 2014 6:09 am
by ColinK
Its only when loading the engine, such as uphills and towing etc.
If I slack off, it comes down easily, but by keeping below 650 Deg C (1200 Deg F) it feels like only using about 80% of available power