DEF PRESVR INDUCMT A

UnclassifiedEmissions

What This Code Means

Stage 1 Warning Level 1 (DEF Indicator Flashing, EXH System Error PA displayed); Stage 2 Warning Level 2 (DEF Indicator Flashing, DEF Presvr Inducmt A and EXH System Error PA displayed); Stage 3 Shutdown 1 (Pre-Alarm Lamp ON, Shutdown Lamp ON, DEF Severe Inducmt A and EXH System Error A displayed); Intermittent engine/unit operation; Emergency shutdown activates

Possible Causes

•No supply of DEF (Diesel Exhaust Fluid)
•Use of poor quality DEF
•Problems with DEF dosing
•Disconnection of sensors

Suggested Actions

1Replace the DEF filter located in the urea SCR system supply module every 1,000 hours of operation (Refer to the Isuzu engine owner's manual)

Related Multiquip Fault Codes

DEF PRESVR INDUCMT DEF LOW REFILL DEF DEF QUALITY POOR DEF PRESVR INDUCMT DEF SEVERE INDUCMT DEF LOW REFILL DEF DEF SEVERE INDUCMT A DEF LOW 15% WA DEF SEVERE INDUCMT DEF LOW REFILL DEF DEF LOW 15%DEF SEVERE INDUCMT DEF LOW REFILL DEF ESCAPE MODE DEF LOW 10% SD DEF SEVERE INDUCMT EXHAUST SYSTEM ERR

Browse all Multiquip fault codes

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for DEF PRESVR INDUCMT A on your specific Multiquip unit — cited to the OEM manual, not a forum guess.

TRY IT FREE