Circuit/System Testing

Verify none of the conditions listed below exist:

P2096

• Air intake duct collapsed or restricted.
• Air filter dirty or restricted.
• Objects blocking the throttle body.
• Excessive fuel in the crankcase. Change engine oil as necessary.
• Rich fuel injectors. Refer to Fuel Injector Diagnosis .
• Excessive fuel system pressure. Refer to Fuel System Diagnosis (LUV) .
• Fuel contamination. Refer to Alcohol/Contaminants-in-Fuel Diagnosis .
• Fuel saturation of the evaporative emissions (EVAP) canister
• Stuck open or leaking EVAP purge valve
• Restricted exhaust. Refer to Symptoms - Engine Exhaust .
• Improper operation of the crankcase ventilation system.

P2097

• Exhaust system leaks. Refer to Symptoms - Engine Exhaust .
• Vacuum hoses for splits, kinks, and proper connections
• Insufficient fuel in the tank
• Air induction system and air intake ducts for leaks
• Missing air filter element
• Cracked evaporative canister
• Evaporative pipes plugged, obstructed, or leaking
• Crankcase ventilation system leaking.
• Engine vacuum leaks
• Low fuel system pressure. Refer to Fuel System Diagnosis (LUV) .
• Contaminated fuel. Refer to Alcohol/Contaminants-in-Fuel Diagnosis .
• Lean fuel injectors. Refer to Fuel Injector Diagnosis .

• If a condition is found

Repair as necessary.