Quote:
Originally Posted by NZ XR6
No, that's not normal, it is a very grunty engine and pulls hard from just over 1500 rpm.
I'm not sure what could cause a loss of power like that and not generate a code. Loss of boost is one possibility, but that should result in at least one code.
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My LV TDCI Focus blew it's intercooler hose off and no codes, certainly worth checking for boost leaks, they're also common for cracking intake pipe into the turbo at the flange.
I reckon you have a leak somewhere in the induction pipework post turbo, or a hole in the intercooler.
The
ECU is smart enough to limit fuel in the case of not enough air to prevent it from belching out black smoke, but not cluey enough to throw codes for it.
Same engine as my old Focus, same engine management system.
Mine also blew injector seals, and also it's injectors return line, all it did was leak diesel over itself, didn't cause any issues with performance.