Emissions

Maintenance Tips

• Replace PCV Valve every 30,000 miles
• Replace oxygen sensor every 30,000 miles
• Replace air filter every 10,000 miles
• Check choke and linkage every 30,000 miles
• Check crankcase vent hoses and clean every 50,000 miles
• Conduct an emissions analyzer test every 30,000 miles
• Check and clean PCV hoses at 30,000 miles
• Scope check every 20,000 miles. Set timing and idle speed
• Replace gas cap every 30,000 miles

Credits: 
Illustrations ~ Russell von Sauers
Tips ~ Car Quest