TRUCK WILL NOT REV ABOVE 2000 RPM,ECM HAD NO TROUBLE CODES, on 1995 Nissan Pickup (D21)

cHECK FUEL PUMP, CHANGE ECM, STILL WILL NOT REV ABOVE 2000 RPM. ITS LIKE THE ENGINE IS IN A SAFE MODE OR TIMING IS OFF

Asked by for the 1995 Nissan Pickup (D21)
Check for exhaust restriction.
3 answers
these trucks had TBI problems
Try checking M.A.F. sensor