2003 Jeep Grand Cherokee Second generation Emission
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| Condition | Value |
|---|
| Diagnostic socket location | The diagnostic socket is located on the driver's side in the footwell below the dashboard. |
| Jeep gasoline straight-6 4.0 L ERH 188 HP | 620–820 rpm |
| Minimum engine oil temperature at VET | 158°F |
| CO content at idling speed | 0.1–0.5 % |
| CO content at increased idling speed | 0.3 % |
| Increased idling speed | 2500–2800 rpm |
| Lambda sensor design | Jump type lambda sensor |
| Lambda value | 0.97–1.03 λ |
| Maximum HC content at idling | 100 ppm |
| Test speed for lambda sensor signal | 620–820 rpm |
| Voltage swing at test speed | 0.3 V |
| More than | |
To reduce environment impact and pass government inspections keep emission parameters at the level prescribed by Jeep.
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2003 Jeep Grand Cherokee user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.
Before doing any DIY service please check your insurance policy and Jeep warranty policy for your region. In some regions DIY service may invalidate your warranty.
Table of Contents
- Air Conditioning Compressor Oil Capacity
- Air Conditioning Refrigerant Capacity
- Automatic Transmission Fluid Capacity
- Axle Oil Capacity
- Brake Fluid Capacity
- Cooling Fluid Capacity
- Engine Oil Capacity
- Fluid and Lubricant Specifications
- Gearbox Oil Capacity
- Steering Fluid Capacity
- Chassis Specifications
- Emission
Conquer your fears and never give up!
DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Jeep Grand Cherokee service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.
Doing basic service for your 2003 Jeep Grand Cherokee you're not only saving money, but also also improving your technical skills and learning something new.