Navistar MaxxForce DT Diagnostic Manual page 132

DIAGNOSTIC MANUAL
1. Verify IMP signal value is between 40 psi (276 kPa) to 43 psi (296 kPa), with Accelerator Pedal
Position 1 (APP1) signal value at 99.6%, and engine speed between 1300 rpm to 1700 rpm.
NOTE – Analyze Lug Down Test signal values only during engine acceleration, and not deceleration or
shifting.
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