Where is the ESIM located?
On most Chryslers, the ESIM mounts directly to the canister, eliminating the need for a mounting bracket. The ESIM must be mounted vertically. On vehicles where the canister is mounted on an angle, the ESIM requires an adaptor to maintain a vertical position.
What is the code for leak detection pump?
The P2401 trouble code is telling us the EVAP control circuit has had a fault with the leak detection pump. The leak detection pump is used by the ECM to pressurize the EVAP system to check for leaks that are present.
What is an eSIM Dodge?
The Evaporative System Integrity Module, also known as an Evaporative System Integrity Monitor or ESIM, is a key component of the EVAP System on many late model Chrysler, Dodge, Jeep, RAM Trucks, and Fiat vehicles. Unlike previous Leak Detection System, the ESIM does not contain a solenoid.
How important is a leak detection pump?
The leak detection pump is the component that often triggers those “Check Engine” warning lights when it detects small leaks that would be hard to see. It is required under federal law as it ensures your evaporative emission system (EVAP) is functioning correctly.
Is the eSIM a vent valve?
Test the ESIM fresh air vent for restriction. It should flow air freely. Test the hoses from the purge valve to the fuel tank for restriction. Verify the ESIM vent filter is not restricted.
Can you still drive with an EVAP leak?
Yes, you are still safe to drive. The EVAP (Evaporated Emission Control System) is used to prevent gasoline vapors from escaping into the air from the fuel tank system to control greenhouse emissions.
Can a bad fuel pump cause a EVAP code?
Nothing is worse that an EVAP code after a fuel pump has been replaced. Discovering that the tank needs to be dropped again to address a problem can kill productivity and profitability. The following tips can help you avoid comebacks and having to drop the fuel tank for a second time.