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If you have access to JScan or another OBD-II scanner, you can typically read out the Engine Control Module (ECM) data and retrieve the engine type from there. It should display a code or model number that indicates the type of engine, along with other data like fuel type, and the transmission...

FYI, always list at least the year of your Jeep. While the Jeep JK (2007–2018) models share a similar HVAC system, there were minor wiring and resistor differences across the years. Start with checking the blower motor resistor, as it’s the most common failure. If that’s fine, test for power...

You very well may have gotten this fixed and it sux no one helped you out but in the event that you haven't I would do a couple things to begin diagnosing it. The code suggests that the circuit is high, which could point to a problem with the wiring, connectors, or the TIPM itself. -Inspect the...

Even though you've already swapped out the spark plugs and coils, misfires can still be caused by problems with the fuel injectors or the wiring to them. It's possible that the injector for cylinder 6 is malfunctioning, or there could be a wiring issue affecting both cylinder 3 and cylinder 6. A...

As far as I know, the Jeep does not have a separate oil pressure control solenoid; rather, the dual-stage oil pump is controlled by the PCM. If the pump were mechanically stuck, you'd likely see consistently high oil pressure, not intermittent issues. Since your oil pressure fluctuates normally...