P1494 JEEP Meaning During the self-diagnostics, the Powertrain Control Module (PCM) first checks the Leak Detection Pump (LDP) for electrical and mechanical faults. … If a leak is present, the PCM will continue pumping the LDP to replace the air that leaks out.
My 1999 Grand Cherokee check engine light came on indicating code P1494…dealer told me it was a vacum leak detection pump and repair .
OBD II fault code P1494 is a manufacturer specific code that is defined by car makers Chrysler, Dodge, Jeep, and Plymouth as “EVAP Leak .
Giving code p1494, but there is no LDP under my driver side … 2002 Jeep Grand Cherokee Obd Code P1494 Issues … Engine Code Help.
Repair Information for P1494 Jeep code. Learn what does P1494 Jeep EVAP Leak Detection Pump Pressure .
what does the error code P1494 leak detection pump mean and what do I need to do to fix it – Jeep 1999 Grand Cherokee question.
A p1494 code what exactly is and where is the part located on a 03 jeep grand cherokee laredo – Answered by a verified Jeep Mechanic. … P1494-LEAK DETECTION PUMP SW OR MECHANICAL FAULT. When Monitored .