Why does my Jeep Cherokee have a heat soak?

Why does my Jeep Cherokee have a heat soak?

When the engine is started, the fuel vapor can result in misfiring and stumbling and can set the CEL with codes related to cylinder misfires and/or injector malfunctions. People try many different solutions to the heat soak issue such as heat shields, insulation, hood vents, etc.

Is there a heat soak mod for the Jeep XJ?

The purpose of this mod is to address the heat soak issue that is common in Jeep XJ’s with the 4.0 liter inline 6 engine and this heat soak issue is especially pronounced in the 2000-2001 XJ’s.

Why is my XJ heat soak not working?

This can vaporize fuel in the fuel rail and/or injectors. When the engine is started, the fuel vapor can result in misfiring and stumbling and can set the CEL with codes related to cylinder misfires and/or injector malfunctions.

Where is the E-Fan on a Jeep Cherokee?

The e-fan is on the same side of the engine compartment as the intake/exhaust manifolds and fuel rail and injectors. When the engine is shut-off, the e-fan time delay will cause the fan to blow air over the manifolds and out the back end of the engine compartment and will prevent the fuel rail and injectors from getting quite so hot.

When the engine is started, the fuel vapor can result in misfiring and stumbling and can set the CEL with codes related to cylinder misfires and/or injector malfunctions. People try many different solutions to the heat soak issue such as heat shields, insulation, hood vents, etc.

The purpose of this mod is to address the heat soak issue that is common in Jeep XJ’s with the 4.0 liter inline 6 engine and this heat soak issue is especially pronounced in the 2000-2001 XJ’s.

This can vaporize fuel in the fuel rail and/or injectors. When the engine is started, the fuel vapor can result in misfiring and stumbling and can set the CEL with codes related to cylinder misfires and/or injector malfunctions.

The e-fan is on the same side of the engine compartment as the intake/exhaust manifolds and fuel rail and injectors. When the engine is shut-off, the e-fan time delay will cause the fan to blow air over the manifolds and out the back end of the engine compartment and will prevent the fuel rail and injectors from getting quite so hot.