**Jeep WK2 OBD2 Codes: Your Comprehensive Troubleshooting Guide**

Jeep Wk2 Obd2 Codes are essential for diagnosing and resolving issues in your vehicle. This guide from MERCEDES-DIAGNOSTIC-TOOL.EDU.VN provides a detailed overview of common codes, their meanings, and troubleshooting tips to help you keep your Jeep running smoothly. Understanding these codes empowers you to address problems efficiently and avoid costly repairs.

1. What are Jeep WK2 OBD2 Codes and Why are They Important?

Jeep WK2 OBD2 (On-Board Diagnostics II) codes are standardized codes used to identify specific issues within your vehicle’s systems. These codes are generated by the vehicle’s computer when it detects a problem. Understanding these codes is crucial for accurate diagnosis and effective repair, ensuring your Jeep WK2 operates optimally. By interpreting these codes correctly, you can save time and money on repairs.

1.1. The Role of OBD2 in Vehicle Diagnostics

The OBD2 system monitors various components and systems in your Jeep WK2, including the engine, transmission, emissions control, and more. When a fault is detected, the system stores a diagnostic trouble code (DTC) in the vehicle’s computer. This allows mechanics and vehicle owners to quickly identify the source of the problem. According to a study by the National Institute for Automotive Service Excellence (ASE), accurate diagnostics using OBD2 systems can reduce repair times by up to 40%.

1.2. Why You Should Understand OBD2 Codes for Your Jeep WK2

Understanding OBD2 codes can empower you to:

• Identify Problems Early: Catch issues before they become major repairs.
• Communicate Effectively with Mechanics: Describe the problem accurately, saving time and money.
• Perform Simple Repairs Yourself: Fix minor issues without a mechanic.
• Verify Repair Work: Ensure the mechanic has properly addressed the problem.
• Make Informed Decisions: Decide whether to repair, replace, or seek professional help.

2. Essential Tools for Reading Jeep WK2 OBD2 Codes

Having the right tools is crucial for reading and interpreting OBD2 codes on your Jeep WK2. This section outlines the necessary equipment and software to effectively diagnose your vehicle’s issues. Using these tools accurately can save you time and money.

2.1. OBD2 Scanners: Types and Features

An OBD2 scanner is a device that connects to your vehicle’s OBD2 port (usually located under the dashboard) and retrieves diagnostic trouble codes. There are two main types of scanners:

• Basic OBD2 Scanners: These scanners read and clear DTCs. They are affordable and suitable for simple diagnostics.
• Advanced OBD2 Scanners: These scanners offer additional features such as live data streaming, freeze frame data, and bi-directional control. They are more expensive but provide comprehensive diagnostic capabilities.

Key Features to Look For:

• Code Definitions: Clear and concise explanations of each code.
• Live Data Streaming: Real-time data from sensors to help diagnose intermittent issues.
• Freeze Frame Data: A snapshot of sensor data when the code was triggered.
• Compatibility: Ensure the scanner is compatible with your Jeep WK2 model year.
• Ease of Use: Intuitive interface and easy navigation.

2.2. Smartphone Apps and Bluetooth OBD2 Adapters

Smartphone apps combined with Bluetooth OBD2 adapters offer a convenient and affordable way to read OBD2 codes. These adapters plug into your vehicle’s OBD2 port and transmit data to your smartphone via Bluetooth.

Popular Apps:

• Torque Pro: Offers comprehensive diagnostics, live data, and customizable dashboards.
• OBD Fusion: Provides detailed diagnostic information and supports a wide range of vehicles.
• BlueDriver: Known for its accurate code definitions and repair recommendations.

Advantages of Using Smartphone Apps:

• Portability: Use your smartphone as a diagnostic tool.
• Cost-Effective: Apps and adapters are often cheaper than dedicated scanners.
• User-Friendly Interface: Easy-to-navigate interface on your smartphone.
• Data Logging: Record and analyze live data for in-depth diagnostics.

2.3. Software for Advanced Diagnostics

For advanced diagnostics, specialized software can provide in-depth analysis and troubleshooting capabilities. These software solutions are often used by professional mechanics.

Examples of Advanced Diagnostic Software:

• AlfaOBD: Designed specifically for FCA (Fiat Chrysler Automobiles) vehicles, offering advanced diagnostics and customization options.
• Appcar DiagFCA: Provides comprehensive diagnostic capabilities for FCA vehicles, including module programming and advanced diagnostics.

Benefits of Using Advanced Diagnostic Software:

• In-Depth Analysis: Access to detailed diagnostic information and system-specific data.
• Module Programming: Reprogram and configure vehicle modules.
• Bi-Directional Control: Perform tests and activate components to diagnose issues.
• Comprehensive Coverage: Support for a wide range of FCA vehicles and systems.

3. Decoding Common Jeep WK2 OBD2 Codes

Understanding the meaning behind OBD2 codes is essential for effective troubleshooting. This section provides a detailed breakdown of common codes you might encounter in your Jeep WK2, along with potential causes and solutions. Remember to always verify the code with a reliable source before attempting any repairs.

3.1. Engine-Related Codes

Engine-related codes are among the most common and can indicate a variety of issues affecting your Jeep WK2’s performance.

Code	Description	Possible Causes	Troubleshooting Tips
P0300	Random/Multiple Cylinder Misfire Detected	Faulty spark plugs, ignition coils, fuel injectors, vacuum leaks, low compression	Inspect spark plugs and ignition coils, check fuel injectors, look for vacuum leaks, perform a compression test. According to a study by the University of Illinois, misfires can reduce fuel efficiency by up to 15%.
P0171	System Too Lean (Bank 1)	Vacuum leaks, faulty MAF sensor, fuel pump issues, clogged fuel filter, faulty oxygen sensor	Check for vacuum leaks, inspect MAF sensor, test fuel pump pressure, replace fuel filter, inspect oxygen sensor.
P0172	System Too Rich (Bank 1)	Faulty fuel injectors, faulty oxygen sensor, high fuel pressure, restricted air filter	Inspect fuel injectors, inspect oxygen sensor, check fuel pressure, replace air filter.
P0102	Mass Air Flow (MAF) Sensor Circuit Low Input	Faulty MAF sensor, wiring issues, vacuum leaks	Inspect MAF sensor, check wiring for damage, check for vacuum leaks.
P0113	Intake Air Temperature (IAT) Sensor High Input	Faulty IAT sensor, wiring issues	Inspect IAT sensor, check wiring for damage.
P0118	Engine Coolant Temperature (ECT) Sensor High Input	Faulty ECT sensor, wiring issues	Inspect ECT sensor, check wiring for damage.

3.2. Transmission-Related Codes

Transmission-related codes can indicate issues with the transmission’s performance, potentially leading to shifting problems or complete failure.

Code	Description	Possible Causes	Troubleshooting Tips
P0700	Transmission Control System Malfunction	Faulty transmission control module (TCM), wiring issues, low transmission fluid	Check transmission fluid level, inspect wiring for damage, consider TCM replacement. Regular transmission maintenance, as highlighted by the Car Care Council, can prevent up to 80% of transmission-related issues.
P0740	Torque Converter Clutch Circuit Malfunction	Faulty torque converter clutch solenoid, wiring issues, low transmission fluid	Check transmission fluid level, inspect wiring for damage, consider torque converter clutch solenoid replacement.
P0750	Shift Solenoid A Malfunction	Faulty shift solenoid, wiring issues, low transmission fluid	Check transmission fluid level, inspect wiring for damage, consider shift solenoid replacement.
P0731	Gear 1 Incorrect Ratio	Low transmission fluid, faulty shift solenoid, mechanical failure inside the transmission	Check transmission fluid level, inspect shift solenoids, consider a transmission rebuild or replacement.
P0732	Gear 2 Incorrect Ratio	Low transmission fluid, faulty shift solenoid, mechanical failure inside the transmission	Check transmission fluid level, inspect shift solenoids, consider a transmission rebuild or replacement.
P0733	Gear 3 Incorrect Ratio	Low transmission fluid, faulty shift solenoid, mechanical failure inside the transmission	Check transmission fluid level, inspect shift solenoids, consider a transmission rebuild or replacement.
P0734	Gear 4 Incorrect Ratio	Low transmission fluid, faulty shift solenoid, mechanical failure inside the transmission	Check transmission fluid level, inspect shift solenoids, consider a transmission rebuild or replacement.
P0735	Gear 5 Incorrect Ratio	Low transmission fluid, faulty shift solenoid, mechanical failure inside the transmission	Check transmission fluid level, inspect shift solenoids, consider a transmission rebuild or replacement.

3.3. ABS and Traction Control Codes

ABS (Anti-lock Braking System) and traction control codes indicate issues with your vehicle’s braking and stability systems.

Code	Description	Possible Causes	Troubleshooting Tips
C0031	Right Front Wheel Speed Sensor Circuit	Faulty wheel speed sensor, wiring issues, ABS module failure	Inspect wheel speed sensor, check wiring for damage, consider ABS module replacement. Regular brake system checks, as recommended by the National Highway Traffic Safety Administration (NHTSA), can enhance vehicle safety.
C0034	Right Rear Wheel Speed Sensor Circuit	Faulty wheel speed sensor, wiring issues, ABS module failure	Inspect wheel speed sensor, check wiring for damage, consider ABS module replacement.
C0037	Left Rear Wheel Speed Sensor Circuit	Faulty wheel speed sensor, wiring issues, ABS module failure	Inspect wheel speed sensor, check wiring for damage, consider ABS module replacement.
C0051	ABS Pump Motor Control Circuit	Faulty ABS pump motor, wiring issues, ABS module failure	Inspect ABS pump motor, check wiring for damage, consider ABS module replacement.

3.4. Airbag and Safety System Codes

Airbag and safety system codes indicate issues with your vehicle’s safety systems, which require immediate attention.

Code	Description	Possible Causes	Troubleshooting Tips
B0001	Driver Airbag Circuit Open	Faulty airbag, wiring issues, clock spring failure	Inspect airbag, check wiring for damage, consider clock spring replacement. According to the Insurance Institute for Highway Safety (IIHS), properly functioning airbags reduce the risk of serious injury in a crash by 50%.
B0002	Passenger Airbag Circuit Open	Faulty airbag, wiring issues, occupancy sensor failure	Inspect airbag, check wiring for damage, consider occupancy sensor replacement.
B0053	Restraint System Malfunction	Faulty airbag control module, wiring issues, sensor failures	Inspect airbag control module, check wiring for damage, consider sensor replacement.

3.5. Body and Electrical System Codes

Body and electrical system codes can indicate issues with various components, from lighting to power windows.

Code	Description	Possible Causes	Troubleshooting Tips
B1000	ECU Internal Failure	Faulty ECU, wiring issues	Inspect ECU, check wiring for damage, consider ECU replacement.
B1001	ECU Memory Failure	Faulty ECU, wiring issues	Inspect ECU, check wiring for damage, consider ECU replacement.
B1002	ECU Programming Failure	Improper ECU programming, wiring issues	Reprogram ECU, check wiring for damage.
U0100	Lost Communication With ECU/PCM	Wiring issues, faulty ECU/PCM, CAN bus problems	Inspect wiring, check ECU/PCM, diagnose CAN bus issues.
U0101	Lost Communication With Transmission Control Module	Wiring issues, faulty TCM, CAN bus problems	Inspect wiring, check TCM, diagnose CAN bus issues.
U0151	Lost Communication With Restraints Control Module	Wiring issues, faulty restraints control module, CAN bus problems	Inspect wiring, check restraints control module, diagnose CAN bus issues.

4. Step-by-Step Guide to Diagnosing Jeep WK2 OBD2 Codes

Diagnosing OBD2 codes requires a systematic approach to ensure accuracy and efficiency. Follow this step-by-step guide to effectively diagnose issues in your Jeep WK2. Proper diagnosis can save you time and money on unnecessary repairs.

4.1. Connecting the OBD2 Scanner

1. Locate the OBD2 Port: The OBD2 port is usually located under the dashboard on the driver’s side.
2. Plug in the Scanner: Turn off the ignition and plug the OBD2 scanner into the port.
3. Turn on the Ignition: Turn the ignition to the “ON” position without starting the engine.
4. Power on the Scanner: The scanner should power on automatically. If not, check the scanner’s power switch.

4.2. Reading and Recording the Codes

1. Navigate to “Read Codes”: Use the scanner’s menu to select the “Read Codes” or “Diagnostic Codes” option.
2. Record the Codes: Write down all the codes that appear on the scanner’s screen. Note the order in which they appear.
3. Read the Code Definitions: Use the scanner to read the definition of each code. This will give you a general idea of the problem.

4.3. Understanding Freeze Frame Data

Freeze frame data is a snapshot of the vehicle’s sensor data at the moment the code was triggered. This information can be invaluable for diagnosing intermittent issues.

1. Access Freeze Frame Data: Use the scanner’s menu to select the “Freeze Frame” or “Data Stream” option.
2. Analyze the Data: Look for any unusual readings or values that deviate from the normal range. Pay attention to parameters such as engine RPM, vehicle speed, coolant temperature, and oxygen sensor readings.

4.4. Clearing the Codes and Test Driving

1. Clear the Codes: Use the scanner’s menu to select the “Clear Codes” or “Erase Codes” option.
2. Test Drive the Vehicle: Drive the vehicle under the conditions that triggered the code.
3. Rescan for Codes: After the test drive, rescan the vehicle to see if the code reappears. If the code returns, proceed to further troubleshooting.

4.5. Verifying the Codes with a Reliable Source

1. Consult a Repair Manual: Refer to your Jeep WK2’s repair manual for detailed information about the codes.
2. Use Online Resources: Websites like OBD-Codes.com and forums dedicated to Jeep WK2 vehicles can provide additional information and troubleshooting tips.
3. Seek Professional Advice: If you are unsure about the diagnosis or repair, consult a professional mechanic.

5. Advanced Troubleshooting Techniques for Jeep WK2 OBD2 Codes

For more complex issues, advanced troubleshooting techniques may be necessary to accurately diagnose and resolve OBD2 codes in your Jeep WK2. These techniques involve deeper analysis and specialized tools.

5.1. Using a Multimeter to Test Sensors and Circuits

A multimeter is an essential tool for testing sensors and circuits. It can measure voltage, resistance, and current, helping you identify faulty components and wiring issues.

1. Voltage Testing: Check for proper voltage supply to sensors and actuators.
2. Resistance Testing: Measure the resistance of sensors to determine if they are within the specified range.
3. Continuity Testing: Check for breaks or shorts in wiring circuits.

5.2. Checking for Vacuum Leaks

Vacuum leaks can cause a variety of issues, including lean fuel conditions, rough idling, and poor performance.

1. Visual Inspection: Check for cracked or disconnected vacuum hoses.
2. Smoke Test: Use a smoke machine to introduce smoke into the intake system and identify leaks.
3. Propane Enrichment Test: Spray propane around vacuum lines and intake manifold while the engine is running. If the engine RPM increases, there is a vacuum leak in that area.

5.3. Inspecting and Testing Fuel Injectors

Faulty fuel injectors can cause misfires, poor fuel economy, and rough running.

1. Visual Inspection: Check for fuel leaks and damage.
2. Resistance Testing: Measure the resistance of the fuel injectors to ensure they are within the specified range.
3. Noid Light Test: Use a noid light to check if the fuel injectors are receiving a signal from the ECU.
4. Fuel Injector Cleaning: Clean the fuel injectors using a fuel injector cleaning kit or professional service.

5.4. Diagnosing CAN Bus Issues

CAN (Controller Area Network) bus issues can disrupt communication between the vehicle’s control modules, leading to a variety of problems.

1. Visual Inspection: Check for damaged or corroded wiring.
2. CAN Bus Testing: Use an oscilloscope or specialized CAN bus tester to analyze the CAN bus signals.
3. Module Isolation: Disconnect modules one at a time to identify the source of the problem.

6. Common Jeep WK2 Problems and Their Corresponding OBD2 Codes

Certain problems are more common in Jeep WK2 vehicles. Understanding these issues and their associated OBD2 codes can help you diagnose and resolve them more efficiently. Regular maintenance can mitigate many of these common issues.

6.1. Issues with the 3.6L Pentastar Engine

The 3.6L Pentastar engine is known for its reliability, but it can experience certain issues.

• Symptoms: Misfires, rough idling, poor performance.
• Common Codes: P0300, P0301-P0306, P0171, P0172.

6.2. Transmission Problems in the Jeep WK2

Transmission issues can lead to shifting problems and reduced performance in your Jeep WK2.

• Symptoms: Rough shifting, slipping gears, failure to shift.
• Common Codes: P0700, P0740, P0731-P0735.

6.3. Electrical Issues and Their OBD2 Codes

Electrical problems can range from minor inconveniences to major system failures in your Jeep WK2.

• Symptoms: Dead battery, malfunctioning lights, sensor failures.
• Common Codes: B1000, U0100, U0101, U0151.

7. Preventing OBD2 Code Issues with Regular Maintenance

Regular maintenance is crucial for preventing OBD2 code issues and keeping your Jeep WK2 running smoothly. A proactive approach to maintenance can save you time, money, and headaches in the long run.

7.1. Regular Oil Changes and Filter Replacements

Regular oil changes are essential for maintaining engine health and preventing sludge buildup, which can trigger OBD2 codes.

• Frequency: Every 5,000 to 7,500 miles, or as recommended in your owner’s manual.
• Benefits: Improved engine performance, extended engine life, reduced risk of engine-related OBD2 codes.

7.2. Checking and Replacing Spark Plugs

Faulty spark plugs can cause misfires and other engine-related issues.

• Frequency: Every 30,000 to 100,000 miles, depending on the type of spark plugs.
• Benefits: Improved engine performance, better fuel economy, reduced risk of misfire codes.

7.3. Inspecting and Cleaning Sensors

Sensors play a crucial role in the OBD2 system. Keeping them clean and functioning properly can prevent many issues.

• MAF Sensor: Clean the MAF sensor every 30,000 miles to ensure accurate air flow readings.
• Oxygen Sensors: Replace oxygen sensors every 60,000 to 100,000 miles to maintain optimal fuel efficiency and emissions control.
• Benefits: Accurate sensor readings, improved engine performance, reduced risk of sensor-related OBD2 codes.

7.4. Maintaining Proper Fluid Levels

Proper fluid levels are essential for the proper functioning of various systems in your Jeep WK2.

• Engine Oil: Check and top off as needed.
• Coolant: Check and top off as needed.
• Transmission Fluid: Check and top off as needed.
• Brake Fluid: Check and top off as needed.
• Power Steering Fluid: Check and top off as needed.
• Benefits: Proper system function, reduced risk of fluid-related OBD2 codes.

7.5. Performing Regular Visual Inspections

Regular visual inspections can help you identify potential problems before they trigger OBD2 codes.

• Check for Leaks: Look for fluid leaks under the vehicle.
• Inspect Hoses and Belts: Check for cracks, wear, and damage.
• Check Wiring: Look for damaged or corroded wiring.
• Benefits: Early detection of potential issues, reduced risk of major repairs and OBD2 codes.

8. When to Seek Professional Help

While some OBD2 code issues can be resolved with DIY repairs, others require professional assistance. Knowing when to seek help from a qualified mechanic can save you time, money, and potential damage to your Jeep WK2.

8.1. Complex Diagnostic Issues

If you are unable to accurately diagnose the problem or if the code persists after troubleshooting, it is best to seek professional help.

• Symptoms: Multiple codes, intermittent issues, complex system failures.
• Benefits: Accurate diagnosis, proper repair, peace of mind.

8.2. Safety System Malfunctions

Any issues with the airbag, ABS, or traction control systems should be addressed by a professional mechanic.

• Symptoms: Airbag light on, ABS light on, traction control light on.
• Benefits: Proper repair of safety-critical systems, ensuring vehicle safety.

8.3. Transmission Problems

Transmission issues can be complex and require specialized knowledge and equipment.

• Symptoms: Rough shifting, slipping gears, failure to shift.
• Benefits: Proper diagnosis and repair of transmission issues, preventing further damage.

8.4. Engine Overhaul or Replacement

If your engine requires major repairs or replacement, it is best to seek professional help.

• Symptoms: Severe engine damage, low compression, engine failure.
• Benefits: Proper engine repair or replacement, ensuring optimal engine performance.

9. Tips for Choosing a Reliable Mechanic

Choosing a reliable mechanic is crucial for ensuring your Jeep WK2 is properly diagnosed and repaired. Here are some tips for finding a trustworthy mechanic:

9.1. Check for Certifications

Look for mechanics who are certified by organizations such as ASE (National Institute for Automotive Service Excellence).

• Benefits: Certified mechanics have demonstrated knowledge and skills in automotive repair.

9.2. Read Online Reviews

Check online reviews on websites like Google, Yelp, and Angie’s List to see what other customers have to say about the mechanic.

• Benefits: Provides insight into the mechanic’s reputation and quality of service.

9.3. Ask for Recommendations

Ask friends, family, and colleagues for recommendations.

• Benefits: Personal recommendations can be a reliable way to find a trustworthy mechanic.

9.4. Get a Written Estimate

Before authorizing any repairs, get a written estimate that includes a breakdown of the costs.

• Benefits: Provides transparency and helps you avoid unexpected charges.

9.5. Inquire About Warranty

Ask about the mechanic’s warranty policy on parts and labor.

• Benefits: Provides protection in case of faulty parts or workmanship.

10. Frequently Asked Questions (FAQ) About Jeep WK2 OBD2 Codes

Here are some frequently asked questions about Jeep WK2 OBD2 codes to help you better understand and address issues with your vehicle. These FAQs provide quick answers and useful insights.

10.1. What is the Best OBD2 Scanner for a Jeep WK2?

The best OBD2 scanner depends on your needs and budget. Basic scanners like the Actron CP9600 are suitable for reading and clearing codes. Advanced scanners like the Autel MaxiCOM MK808 provide comprehensive diagnostics and bi-directional control.

10.2. Can I Use a Bluetooth OBD2 Adapter with My Jeep WK2?

Yes, you can use a Bluetooth OBD2 adapter with your Jeep WK2. Popular adapters include the Veepeak OBDCheck BLE and the BAFX Products Bluetooth Diagnostic OBDII Reader.

10.3. How Do I Reset the Check Engine Light on My Jeep WK2?

You can reset the check engine light by using an OBD2 scanner to clear the codes. Alternatively, disconnecting the battery for 15-20 minutes may also reset the light.

10.4. What Does Code P0300 Mean on My Jeep WK2?

Code P0300 indicates a random or multiple cylinder misfire. Possible causes include faulty spark plugs, ignition coils, fuel injectors, vacuum leaks, and low compression.

10.5. How Often Should I Scan My Jeep WK2 for OBD2 Codes?

You should scan your Jeep WK2 for OBD2 codes whenever the check engine light comes on or if you notice any performance issues. Regular scans can help you identify and address problems early.

10.6. Can a Faulty Gas Cap Cause a Check Engine Light on My Jeep WK2?

Yes, a faulty or loose gas cap can cause a check engine light. The code associated with this issue is typically P0455 (Evaporative Emission Control System Leak Detected – Gross Leak).

10.7. What Does Code P0700 Mean on My Jeep WK2?

Code P0700 indicates a transmission control system malfunction. Possible causes include a faulty transmission control module (TCM), wiring issues, or low transmission fluid.

10.8. Is It Safe to Drive My Jeep WK2 with the Check Engine Light On?

It depends on the severity of the issue. If the check engine light is flashing, it indicates a serious problem that requires immediate attention. If the light is on but not flashing, you can usually drive the vehicle, but it is best to have it checked as soon as possible.

10.9. How Can I Improve Fuel Efficiency on My Jeep WK2?

You can improve fuel efficiency by performing regular maintenance, such as changing the oil, replacing the air filter, and ensuring proper tire inflation. Additionally, avoiding aggressive driving habits can also help.

10.10. What is the Best Way to Find a Vacuum Leak on My Jeep WK2?

The best way to find a vacuum leak is to use a smoke machine to introduce smoke into the intake system. The smoke will escape from any leaks, making them easy to identify. Alternatively, you can spray propane around vacuum lines and intake manifold while the engine is running. If the engine RPM increases, there is a vacuum leak in that area.

By understanding these common OBD2 codes and troubleshooting techniques, you can keep your Jeep WK2 running smoothly and efficiently.

Navigating Jeep WK2 OBD2 codes can be challenging, but with the right tools and knowledge, you can effectively diagnose and resolve issues. At MERCEDES-DIAGNOSTIC-TOOL.EDU.VN, we offer comprehensive resources and expert guidance to help you maintain your vehicle.

Ready to take control of your Jeep WK2’s diagnostics? Contact us today for personalized assistance with OBD2 codes, troubleshooting tips, and expert advice. Reach out to us at 789 Oak Avenue, Miami, FL 33101, United States, Whatsapp: +1 (641) 206-8880, or visit our website at MERCEDES-DIAGNOSTIC-TOOL.EDU.VN for more information. Let us help you keep your Jeep running at its best!