--- >>> P0171 | P0174 System Too Lean Bank 1 Bank 2
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Joined: Apr 2007
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From: Phoenix, AZ
--- >>> P0171 | P0174 System Too Lean Bank 1 Bank 2
Anyone had the same issue?
Bentley says:
Exhaust system
Check exhaust system for proper seal
Check fuel injectors
Injection quantity, proper seal and spray pattern of fuel injectors, checking
Fuel Supply system
Fuel pressure regulator and residual pressure checking
checking
Checking intake system for leaks (unmetered air)
Secondary Air Injection (AIR) system
Checking secondary air system for proper seal
Combination valves for Secondary Air Injection (AIR) system, checking function and for proper seal
Secondary Air Injection (AIR) solenoid valve -
Vacuum system
Vacuum system, checking for leaks
Bentley says:
Exhaust system
Check exhaust system for proper seal
Check fuel injectors
Injection quantity, proper seal and spray pattern of fuel injectors, checking
Fuel Supply system
Fuel pressure regulator and residual pressure checking
checking
Checking intake system for leaks (unmetered air)
Secondary Air Injection (AIR) system
Checking secondary air system for proper seal
Combination valves for Secondary Air Injection (AIR) system, checking function and for proper seal
Secondary Air Injection (AIR) solenoid valve -
Vacuum system
Vacuum system, checking for leaks
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