2010 CHEVROLET Camaro LS3/L99 (GMX207)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Minor intake manifold leaks on LS3 engines
• Active fuel management system faults on L99 V6

First checks

• Check for spark plug wear and gaps
• Inspect timing chain for noise or wear
• Verify oil level and quality

Before replacing parts

• Save fault codes and freeze-frame data before clearing anything.
• Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
• Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

• Engine availability and exact specs can vary by export market due to emissions regulations and fuel quality.
• ZL1 model with LSA engine was primarily available in North America.