P0171 2006 TOYOTA COROLLA Air/Fuel Mixture System Lean Bank 1

Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes

Read More P0171 2006 TOYOTA COROLLA Air/Fuel Mixture System Lean Bank 1

P0171 2005 TOYOTA COROLLA Air/Fuel Mixture System Lean Bank 1

Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes

Read More P0171 2005 TOYOTA COROLLA Air/Fuel Mixture System Lean Bank 1

P0171 2006 CHEVROLET TRAIL BLAZER Fuel Trim System Lean Bank 1

Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes

Read More P0171 2006 CHEVROLET TRAIL BLAZER Fuel Trim System Lean Bank 1

P0171 1999 FORD WINDSTAR Fuel Injection System Too Lean Bank 1

Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes

Read More P0171 1999 FORD WINDSTAR Fuel Injection System Too Lean Bank 1

P0171 2001 FORD WINDSTAR Fuel Injection System Too Lean Bank 1

Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes

Read More P0171 2001 FORD WINDSTAR Fuel Injection System Too Lean Bank 1

P0171 2000 FORD WINDSTAR Fuel Injection System Too Lean Bank 1

Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes

Read More P0171 2000 FORD WINDSTAR Fuel Injection System Too Lean Bank 1

P0171 2003 FORD WINDSTAR Fuel Injection System Too Lean Bank 1

Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes

Read More P0171 2003 FORD WINDSTAR Fuel Injection System Too Lean Bank 1

P0171 2002 FORD WINDSTAR Fuel Injection System Too Lean Bank 1

Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes

Read More P0171 2002 FORD WINDSTAR Fuel Injection System Too Lean Bank 1