check engine JEEP WRANGLER 2023 Owner's Guide

JEEP WRANGLER 2023 Owner's Guide WRANGLER 2023 JEEP JEEP https://www.carmanualsonline.info/img/16/56040/w960_56040-0.png JEEP WRANGLER 2023 Owner's Guide

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JEEP WRANGLER 2023 Owners Guide 
SERVICING AND MAINTENANCE317
CHECKING OIL LEVEL
To ensure proper engine lubrication, the engine oil must 
be maintained at the correct level. Check the oil level at 
regular intervals, such as every

Page 326 of 396

JEEP WRANGLER 2023 Owners Guide 
324SERVICING AND MAINTENANCE  
reacts with engine exhaust in the presence of a catalyst to 
convert smog-forming Nitrogen Oxides (NOx) into 
harmless nitrogen and water vapor.
For further information

Page 331 of 396

JEEP WRANGLER 2023 Owners Guide 
SERVICING AND MAINTENANCE329
Coolant Checks 
Check the engine, battery (if equipped), intercooler (if 
equipped), and Motor Generator Unit (MGU) (if equipped) 
coolant (antifreeze) protection every 1

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JEEP WRANGLER 2023 Owners Guide 
330SERVICING AND MAINTENANCE  
NOTE:
It is the owner's responsibility to maintain the proper 
level of protection against freezing according to the 
temperatures occurring in the area where th

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JEEP WRANGLER 2023 Owners Guide 
SERVICING AND MAINTENANCE331
(Continued)
With the engine OFF and cold, the level of the engine 
coolant should be within the OK range between the ADD 
and FULL range on the dipstick.

1. Remove the c

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JEEP WRANGLER 2023 Owners Guide 
332SERVICING AND MAINTENANCE  
FRONT/REAR AXLE FLUID 
For normal service, periodic fluid level checks are not 
required. When the vehicle is serviced for other reasons 
the exterior surfaces of the a

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JEEP WRANGLER 2023 Owners Guide 
SERVICING AND MAINTENANCE333
(Continued)
AUTOMATIC TRANSMISSION — 
I
F EQUIPPED 
Special Additives
It is strongly recommended against using any special 
additives in the transmission. Automatic Tra

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JEEP WRANGLER 2023 Owners Guide 
334SERVICING AND MAINTENANCE  
The fuses protect electrical systems against excessive 
current.
When a device does not work, you must check the fuse 
element inside the blade fuse for a break/melt.
A

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JEEP WRANGLER 2023 Owners Guide 
TECHNICAL SPECIFICATIONS369

Torque Patterns

After 25 miles (40 km), check the lug nut/bolt torque to be 
sure that all the lug nuts/bolts are properly seated against 
the wheel.
FUEL REQUIREMENTS

Page 384 of 396

JEEP WRANGLER 2023 Owners Guide 
382  
INDEX
AAbout Your Brakes ....................................................... 368
Adaptive Cruise Control (ACC) 
(Cruise Control) ................................................... 151
, 15
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