Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2023 Jeep Cherokee TrailhawkFACTORY OEM SERVICE PROCEDURE

Spark Plug Specifications

Courtesy of CHRYSLER GROUP, LLC

The firing order for the 2.0L engine is 1 - 3 - 4 - 2.

SPARK PLUG

DESCRIPTION	SPECIFICATION
DESCRIPTION	Metric	Standard
Electrode Gap*	0.60 - 0.65 mm	0.024 - 0.026 in.
* These are dual precious metal electrodes - only use pin gages for checking gaps and do not attempt to adjust the gap.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.