2002 INFINITI G20

The 2002 Infiniti G20 is a compact luxury sedan powered by a 2.0-liter inline-four engine (SR20DE) producing 140 horsepower and 132 lb-ft of torque. It was available with either a 5-speed manual or a 4-speed automatic transmission. Owners appreciate the G20 for its nimble handling, comfortable ride, and relatively low running costs. Common complaints include the age of the vehicle leading to increased maintenance, availability of specific parts, and some dated interior features.

Engine

2.0L SR20DE Inline-Four

• Oil Leaks
  • Description/Symptoms: Oil leaks are common due to aged gaskets and seals. This can lead to a burning oil smell, visible oil drips, and low oil levels. Specific areas prone to leaks include the valve cover gasket, oil pan gasket, and rear main seal.
  • Solution: Replace the affected gaskets and seals. In some cases, the oil pan may need to be resealed.
  • Estimated Cost to Fix: $100 - $500+ depending on the location and complexity of the leak.
  • Recalls: None Found
• Distributor Failure
  • Description/Symptoms: The distributor can fail due to age and wear. Symptoms include misfires, rough idling, difficulty starting, and a check engine light.
  • Solution: Replace the distributor with a new or refurbished unit.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found
• Catalytic Converter Failure
  • Description/Symptoms: The catalytic converter can fail due to age, leading to a check engine light (typically code P0420), reduced engine performance, and potential failure to pass emissions testing.
  • Solution: Replace the catalytic converter.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found

Transmission

4-Speed Automatic

• Shifting Problems/Slippage
  • Description/Symptoms: The 4-speed automatic transmission can experience shifting problems, including harsh shifts, delayed engagement, or slippage between gears. This is often due to worn clutches, valve body issues, or low transmission fluid.
  • Solution: Perform a transmission fluid flush and filter replacement. If the issue persists, the valve body may need to be rebuilt or replaced, or the transmission may require a full rebuild or replacement.
  • Estimated Cost to Fix: $100 (fluid flush) to $1,500 - $3,000+ (rebuild/replacement)
  • Recalls: None Found

5-Speed Manual

No Issues Found

Suspension

• Worn Struts and Shocks
  • Description/Symptoms: Worn struts and shocks lead to a bouncy ride, poor handling, increased body roll, and longer stopping distances.
  • Solution: Replace the struts and shocks.
  • Estimated Cost to Fix: $400 - $1,000+ (depending on parts and labor)
  • Recalls: None Found
• Control Arm Bushing Failure
  • Description/Symptoms: Control arm bushings can wear out, leading to clunking noises, vibrations, and imprecise steering.
  • Solution: Replace the control arm bushings or the entire control arm.
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found

Electrical

• Power Window Failure
  • Description/Symptoms: Power windows may stop working due to a failed motor or a broken regulator.
  • Solution: Replace the window motor or regulator.
  • Estimated Cost to Fix: $150 - $400+ per window
  • Recalls: None Found
• Alternator Failure
  • Description/Symptoms: Alternator failure can lead to a dead battery, dimming headlights, and a check engine light.
  • Solution: Replace the alternator.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Exterior

• Rust
  • Description/Symptoms: Rust is common, especially in areas with harsh winters. Common locations include the rocker panels, wheel wells, and undercarriage.
  • Solution: Repair or replace rusted panels. Apply rust preventative measures.
  • Estimated Cost to Fix: $200 - $2000+ depending on severity
  • Recalls: None Found

Interior

• Cracked Dashboard
  • Description/Symptoms: The dashboard can crack due to sun exposure and age.
  • Solution: Replace the dashboard or use a dashboard cover.
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found
• Headliner Sagging
  • Description/Symptoms: The headliner can sag due to the adhesive deteriorating over time.
  • Solution: Replace the headliner.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Summary

The 2002 Infiniti G20, while praised for its handling and reliability when new, is now subject to age-related issues. Common problems include oil leaks, transmission issues (especially with the automatic), and suspension wear. Electrical gremlins and interior deterioration are also typical. The severity of the issues can range from minor annoyances to more costly repairs. Potential buyers should thoroughly inspect the vehicle for rust, check for any signs of oil leaks or transmission problems, and test all electrical components. The estimated cost of repairs can vary widely, but budgeting for potential maintenance is essential when considering a vehicle of this age.