P0171 Diagnostic Trouble Code Discussion for December 2015
Fuel System Lean (Bank 1)
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| Help Request | Posted | |
| 2009 Dodge Caliber SXT 2.0L MIL Lamp on VIN: 1B3HB48AX9 P0171: lean. i replaced primary o2 sensor from dodge, i replace exhaust manifold, all ignition coils, no vacuum leaks i smoked it,new spark plugs, clean out the air flow senor, flashed computer,engine runs really good but this dam code wont go...short trim @ 0-15...long on... |
December 01, 2015 | |
| 2000 Ford Explorer XL Fleet 4.0L Surge, MIL Lamp on, lean/ high f pres. VIN: 1FMZU71X9Y P0171: lean bank 1. Good morning folks. This truck belongs to a customer/ friend who just bought it. Says it was inop. for 2 years. has lean codes and looses power under load. I confirmed both. WOT vehicle bucks and feels like its loosing fuel pres. I have 95 psi constant at fuel... |
December 02, 2015 | |
| 2004 Jaguar XJ8 4.2L No Start VIN: SAJWA71CX4 P0171: lean bank1. Hello Group, Got another one of those intermittent driveability problems which I cannot duplicate because it only happens once in a great while.After car has been driven to normal temp,owner shuts off engine and after a few minutes tries to restart but won't ... |
December 02, 2015 | |
| 2004 Jaguar XJ8 4.2L No Start VIN: SAJWA71CX4 P0171: lean bank1. Hello Group, Got another one of those intermittent driveability problems which I cannot duplicate because it only happens once in a great while.After car has been driven to normal temp,owner shuts off engine and after a few minutes tries to restart but won't ... |
December 02, 2015 | |
| 2009 Dodge Caliber SXT 2.0L MIL Lamp on VIN: 1B3HB48AX9 P0171: lean. i replaced primary o2 sensor from dodge, i replace exhaust manifold, all ignition coils, no vacuum leaks i smoked it,new spark plugs, clean out the air flow senor, flashed computer,engine runs really good but this dam code wont go...short trim @ 0-15...long on... |
December 03, 2015 | |
| 2007 Volkswagen Beetle 2.5 2.5L MIL Lamp on VIN: 3VWRG31Y27 P0171: Bank 1 lean condition. Hello Everyone, I have this VW New Bettle with a 2.5L engine. We have a lean condition. It will set on 2nd start up. We changed the mass air flow meter, it was reading around 2.5 volts at idle now at 2.9 volts. We have check the pcv system and vacuum leaks and... |
December 03, 2015 | |
| 2002 Jeep Liberty Limited 3.7L no throttle responce VIN: 1J4GL58K52 P0171: Fuel System Lean (Bank 1). Customer Stated that this Jeep will start slowing down and losing power to where it is just idling.no throttle response. This thing has a throttle cable. With the lean codes I was thinking fuel pressure or vaccum leak.o2 sensors are switching well.The intermit... |
December 10, 2015 | |
| 2010 Land Rover Range Rover HSE 5.0L MIL Lamp on, Noise/Lean Codes P0171: Bank one lean. This vehicle's engine has a low "howl" when hot. The PCV system is built into the right side cover. Also there is a lean condition codes both banks. When you disconnect vacuum to the r/s valve cover and plug the intake connector the noise is gone. Cold... |
December 17, 2015 | |
| 1999 Ford Explorer XL 4.0L MIL Lamp on VIN: 1FMZU32X7X P0171: Lean bank 1. Code p0171 and p 0174. Need help. Replaced both upper and lower intake gaskets. Still the same codes |
December 18, 2015 | |
| 2007 Volkswagen Beetle 2.5 2.5L MIL Lamp on VIN: 3VWRG31Y27 P0171: Bank 1 lean condition. Hello Everyone, I have this VW New Bettle with a 2.5L engine. We have a lean condition. It will set on 2nd start up. We changed the mass air flow meter, it was reading around 2.5 volts at idle now at 2.9 volts. We have check the pcv system and vacuum leaks and... |
December 21, 2015 | |
| 2000 Land Rover Discovery Series II 4.0L MIL Lamp on VIN: SALTY1244Y P0171: Fuel system too lean bank 1. Scanner data shows fuel trims in the 20-25% range. MAF readings at idle 6 gram/sec, 2500 RPM no load 16g/s WOT will hit 134 g/s. Smoke checked intake system and found no leaks. The oxygen sensors respond when a vacuum leak in made and will go rich when fuel is... |
December 24, 2015 | |
| 2009 Ford Escape XLT 2.5L MIL Lamp on VIN: 1FMCU03729 P0171: Lean Bank 1. Hi all, Hope you had a good holiday. This vehicle started having problems after the last oil change. The SES light came on, but the owner says it's running OK and hasn't changed the MPG from previous. I checked for something disconnected after the oil change a... |
December 28, 2015 | |
| 2009 Ford Escape XLT 2.5L MIL Lamp on VIN: 1FMCU03729 P0171: Lean Bank 1. Hi all, Hope you had a good holiday. This vehicle started having problems after the last oil change. The SES light came on, but the owner says it's running OK and hasn't changed the MPG from previous. I checked for something disconnected after the oil change a... |
December 29, 2015 |
