Big NQR TRUCK what model NQR 200, 300, what?
. what displacement engine, how many cylinders.?
Diesel right they only had gas in 1995 i think,
so is it direct injection (fuel rail direct?)
there are over 12, model H engines. 4Hxx all 12 are DI direct Inj.
so DI engines, have a ECU that injects. (much like modern gas engines,and huge injector pressure. , compared to port inj.)
so
post real engine names.
and country
or google, "diagnosing direct injection"
.
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