Free VIN Decoder
Instantly decode any Vehicle Identification Number (VIN) for free. Get vehicle specs, history, and recall information in seconds.
1J4FA39S63P357167
Vehicle Summary
The 2003 Jeep Wrangler X/Commando is a robust sport utility vehicle designed for both the U.S. and Canadian markets. It features a 4.0-liter inline-six engine, 4-wheel drive, and an open body style, making it perfect for adventurous off-road enthusiasts. With a two-door configuration and a hydraulic brake system, this classic Wrangler provides a rugged yet enjoyable driving experience. Built by FCA US LLC in Toledo, Ohio, this model is part of the TJ series and offers a manual seat belt system for added safety.
Complete Specifications
Common Issues for This Vehicle
Brake fluid leaks
Hydraulic brake systems rely on brake fluid to function properly, and leaks can lead to reduced braking efficiency or complete brake failure.
Brake pedal issues
Spongy or unresponsive brake pedals can indicate air in the brake lines or a failing master cylinder.
Brake rotor warping
Excessive heat or uneven wear can cause brake rotors to warp, leading to vibrations or reduced braking performance.
Brake pad wear
Worn brake pads can reduce braking efficiency and increase stopping distances.
Master cylinder failure
The master cylinder is crucial for hydraulic pressure; if it fails, the brake system can lose pressure, making braking difficult or impossible.
Brake caliper issues
Sticking or seized calipers can cause uneven braking and increased wear on the brake pads.
Cooling system leaks
The in-line 6-cylinder engine can suffer from cooling system leaks, which can lead to overheating and engine damage.
Head gasket failure
Common in older engines, this can cause coolant to mix with engine oil, leading to severe engine damage.
Timing chain/belt wear
Over time, the timing chain or belt can stretch or wear out, leading to engine timing issues and potential engine damage.
Fuel injector problems
Clogged or failing fuel injectors can lead to poor engine performance, misfires, and reduced fuel efficiency.
Crankshaft position sensor failure
This sensor is critical for engine timing, and its failure can lead to engine stalling or failure to start.
Exhaust manifold cracks
The inline-6 engine can develop cracks in the exhaust manifold, leading to exhaust leaks and reduced engine performance.
Oil leaks
Common in older engines, oil leaks can occur from various seals and gaskets, leading to reduced oil levels and potential engine damage.
Found This Tool Helpful?
Support VinCyP to keep this service 100% free for everyone!