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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1574 (6.7L Diesel - DTCS P20B7 To P24A0 - 2500 Hd) >> DTC Troubleshooting >> P2281-Air Leak Between MAF And Throttle Body >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
LARGE LEAK IN THE INTAKE SYSTEM BETWEEN THE TURBOCHARGER OUTLET AND THE INTAKE MANIFOLD
RESTRICTION IN THE AIR INLET OR BOOST SYSTEM
RESTRICTION IN THE EGR SYSTEM INCLUDING THE EGR VALVE, CROSSOVER TUBE, AND COOLER BYPASS VALVE

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .