Why is My Check Engine light on on my Jeep Wrangler?
Recently the jeepfan.com 2012 Wrangler’s check engine light came on. Knowing that it needed to be addressed we took it to our local Jeep dealer, Sands Jeep in Quakertown, PA and had them read the problem code. It turns out the engine is showing a misfire on cylinder #2. In fact, this is a known problem with early 2012 Pentastar V6 engines.
How to check engine code on Jeep Wrangler JK?
If you drive a JEEP Wrangler JK, you can check engine fault codes by inserting the key into the ignition and turning it 3x to the run position without starting the vehicle. Turning the key 3x tells the OBD (On Board Diagnostics) computer there has been 3 bad runs with the same error and it throws out a code on the instrument panel.
What happens to the memory on a Jeep Wrangler?
Any error codes that was stored in onboard memory banks are all erased. When electrical energy is sent to the capacitors it is called charging and releasing the energy from a capacitor by disconnecting the battery is known as discharging. It only takes a few seconds for some capacitors to lose their energy and memory.
Recently the jeepfan.com 2012 Wrangler’s check engine light came on. Knowing that it needed to be addressed we took it to our local Jeep dealer, Sands Jeep in Quakertown, PA and had them read the problem code. It turns out the engine is showing a misfire on cylinder #2. In fact, this is a known problem with early 2012 Pentastar V6 engines.
What kind of engine problem does a Jeep Wrangler have?
Jeep knows about this issue from all the Jeep reviews I have seen people posting with the same issue. While approaching a stop-light on several occasions (but not on every occasion), the 3.6 liter pentastar engine in my 2012 Jeep Wrangler sport has stalled, which causes immediate & complete loss of power-steering & hydraulic brake-power.
If you drive a JEEP Wrangler JK, you can check engine fault codes by inserting the key into the ignition and turning it 3x to the run position without starting the vehicle. Turning the key 3x tells the OBD (On Board Diagnostics) computer there has been 3 bad runs with the same error and it throws out a code on the instrument panel.
What causes an oil leak in a Jeep Wrangler?
The oil filter housing has a manufacture flaw, which causes engine oil to leak in the engine bay and onto the exhaust. Thousands of customers have had this same issue in their Jeep Wrangler. It does not matter the age or mileage of the vehicle.