Navistar MaxxForce 9 Diagnostic Manual

DIAGNOSTICMANUAL
Actions
1.VerifyIMPsignalvalueisbetween36psi(248kPa)to42psi*(289kPa),withAPP1signalvalue
at99.6%,andenginespeedbetween1800rpmto2200rpm.
2.VerifyExhaustBackPressure(EBP)islessthan70psi(414kPa),withAPP1signalvalueat
99.6%,andenginespeedbetween1800rpmto2200rpm.
NOTE–*IMPsignalvaluemaybeaslowas29psi(221kPa)onlowerhorsepowercongurations.
NOTE–Analyze0to60mphtestsignalvaluesonlyduringacceleration,andnotdecelerationorshifting.
56
https://www.truck-manuals.net/

Navistar MaxxForce 9 Specifications

General

Brand	Navistar
Model	MaxxForce 9
Category	Engine
Language	English