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P0174 Diagnostic Trouble Code Discussion for May 2011

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
1995 Ford Windstar 3.8L MIL Lamp on VIN: 2FMZAS150T
P0174: System too lean bank 2. This van has no drivability problem at all. Customer said MIL came on while pulling a long hill. I have only taken a quick look under the hood yesterday and van will be here today. I will check fuel pressure, vacuum leaks, etc, but is there something common on...
May 04, 2011
1999 Ford Ranger XLT 3.0L MIL Lamp on VIN: 1FTYR14V4X
P0174: bank two lean. Hi all, Thanks in advance for taking time to look at this post. What I have is a 99 ranger 3.0l flex fuel. short term fuel runs around -2 bank 1 and 12 to 20 bank two (vac leak) long term works its way up two 25 on accel. bank 1 short and long term stay aroun...
May 10, 2011
2001 Ford Explorer Sport 4.0L fuel pressure?? VIN: 1FMYU60E41
P0174: Bank 2 lean. Ok, I am stumped. I am looking for the proper fuel pump pressure spec. Mitchell spec. is 60-65 psi koer and koeo. aldata spec is 30-60. If you go back and forward a year you get different info on the spec as well. Also different models (sport/sport trac to jus...
May 10, 2011
2001 Mercury Cougar V6 2.5L Surge VIN: 1ZWFT61L11
P0174: system lean bank 2. Ok I have a problem with this cougar. It came in with a couple of codes. Lean bank 1 and 2 and egr insuffence flow. I check for vacume leaks and I didnt find any. Went and checked the fuel pressure why driving and found the pressure would not go over 40 lbs. S...
May 11, 2011
2006 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALMF15496
P0174: Lean Code - Bank 2. Hello everyone, got this Rover that is giving both lean and rich codes. Smoke test good. Replaced front O2 sensors, still have problem. Replaced MAF, still have problem. Reflash ECU, through dealer, as per tsb's. Still have problem. Fuel Trims: Short are about...
May 12, 2011
2006 Ford Freestar SE 3.9L Hesitation, Misfire, MIL Lamp on VIN: 2FMDA51616
P0174: lean bank 2. Customer says engine was misfiring,pinging and loss of power.When I first scanned PCM and pulled those codes shown.STFT was +40 to 50% increase on both banks and No LTFT's at all,looked to be disabled? The fuel pump duty cycle is 100% all the time.Fuel pressur...
May 13, 2011
2006 Ford Freestar SE 3.9L Hesitation, Misfire, MIL Lamp on VIN: 2FMDA51616
P0174: lean bank 2. Customer says engine was misfiring,pinging and loss of power.When I first scanned PCM and pulled those codes shown.STFT was +40 to 50% increase on both banks and No LTFT's at all,looked to be disabled? The fuel pump duty cycle is 100% all the time.Fuel pressur...
May 14, 2011
2006 Mercedes-Benz S430 4.3L Hard start VIN: WDBNG70J76
P0174: Lean bank 2. This vehicle cranks normally but will not start unless you repeatedly pump the throttle. It operates from a timed start switch on the shifter. Once hit it cranks for est. 8-10 seconds. Repeatedly pumping the pedal, on the second or third crank cycle it will fi...
May 14, 2011
2007 Chevrolet Tahoe LT 5.3L No Start, MIL Lamp on VIN: 1GNFK13067
P0174: Fuel System Lean (Bank 2). tahoe starts and runs fine cold, after driving 10 to 30 miles trac control and stabiatrac warnings come on then check engine light. No drivabily problems just warnings for trac control continue to come on every 5 min, check engine light stays on with codes po1...
May 15, 2011
1997 Jaguar XK8 4.0L Excessive Emissions, Poor Idle Quality VIN: SAJGX2748V
P0174: Bank 2 Lean. Ok guys, at idle this thing doesnt run very well at all. Bank 2 fuel trim is -19%, short term. Bank 1 is 0%. Bring it up to 1500 rpm and Bank 1 goes to -3 and bank 2 goes to +4%. I pulled the left valve cover and did not find anthing that was obviously amiss. ...
May 16, 2011
1996 Ford F-150 Eddie Bauer 4.9L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FTEF14Y8T
Vehicle came in with the above codes. Before much physical testing I looked at it with my modis. I keep getting this annoying vehicle battery low message even with the truck running on Modis. Aside from that I reset the fuel trims which were -22 LTFT. When I s...
May 17, 2011
1996 Ford F-150 Eddie Bauer 4.9L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FTEF14Y8T
Vehicle came in with the above codes. Before much physical testing I looked at it with my modis. I keep getting this annoying vehicle battery low message even with the truck running on Modis. Aside from that I reset the fuel trims which were -22 LTFT. When I s...
May 18, 2011
2007 Ford Ranger XLT 4.0L MIL Lamp on VIN: 1FTYR44E47
P0174: Bank 2 lean. Hope someone can give me some ideas--this ranger keeps setting lean codes the short term fuel trim starts to climb as soon as the engine runs long trim will climb to 20 just sitting and idling-this is after kam has been reset--smoke tested no leaks found pinch...
May 19, 2011
1997 Jaguar XK8 4.0L Excessive Emissions, Poor Idle Quality VIN: SAJGX2748V
P0174: Bank 2 Lean. Ok guys, at idle this thing doesnt run very well at all. Bank 2 fuel trim is -19%, short term. Bank 1 is 0%. Bring it up to 1500 rpm and Bank 1 goes to -3 and bank 2 goes to +4%. I pulled the left valve cover and did not find anthing that was obviously amiss. ...
May 24, 2011
1995 Ford Windstar 3.8L MIL Lamp on VIN: 2FMZAS150T
P0174: System too lean bank 2. This van has no drivability problem at all. Customer said MIL came on while pulling a long hill. I have only taken a quick look under the hood yesterday and van will be here today. I will check fuel pressure, vacuum leaks, etc, but is there something common on...
May 04, 2011
1999 Ford Ranger XLT 3.0L MIL Lamp on VIN: 1FTYR14V4X
P0174: bank two lean. Hi all, Thanks in advance for taking time to look at this post. What I have is a 99 ranger 3.0l flex fuel. short term fuel runs around -2 bank 1 and 12 to 20 bank two (vac leak) long term works its way up two 25 on accel. bank 1 short and long term stay aroun...
May 10, 2011
2001 Ford Explorer Sport 4.0L fuel pressure?? VIN: 1FMYU60E41
P0174: Bank 2 lean. Ok, I am stumped. I am looking for the proper fuel pump pressure spec. Mitchell spec. is 60-65 psi koer and koeo. aldata spec is 30-60. If you go back and forward a year you get different info on the spec as well. Also different models (sport/sport trac to jus...
May 10, 2011
2001 Mercury Cougar V6 2.5L Surge VIN: 1ZWFT61L11
P0174: system lean bank 2. Ok I have a problem with this cougar. It came in with a couple of codes. Lean bank 1 and 2 and egr insuffence flow. I check for vacume leaks and I didnt find any. Went and checked the fuel pressure why driving and found the pressure would not go over 40 lbs. S...
May 11, 2011
2006 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALMF15496
P0174: Lean Code - Bank 2. Hello everyone, got this Rover that is giving both lean and rich codes. Smoke test good. Replaced front O2 sensors, still have problem. Replaced MAF, still have problem. Reflash ECU, through dealer, as per tsb's. Still have problem. Fuel Trims: Short are about...
May 12, 2011
2006 Ford Freestar SE 3.9L Hesitation, Misfire, MIL Lamp on VIN: 2FMDA51616
P0174: lean bank 2. Customer says engine was misfiring,pinging and loss of power.When I first scanned PCM and pulled those codes shown.STFT was +40 to 50% increase on both banks and No LTFT's at all,looked to be disabled? The fuel pump duty cycle is 100% all the time.Fuel pressur...
May 13, 2011
2006 Ford Freestar SE 3.9L Hesitation, Misfire, MIL Lamp on VIN: 2FMDA51616
P0174: lean bank 2. Customer says engine was misfiring,pinging and loss of power.When I first scanned PCM and pulled those codes shown.STFT was +40 to 50% increase on both banks and No LTFT's at all,looked to be disabled? The fuel pump duty cycle is 100% all the time.Fuel pressur...
May 14, 2011
2006 Mercedes-Benz S430 4.3L Hard start VIN: WDBNG70J76
P0174: Lean bank 2. This vehicle cranks normally but will not start unless you repeatedly pump the throttle. It operates from a timed start switch on the shifter. Once hit it cranks for est. 8-10 seconds. Repeatedly pumping the pedal, on the second or third crank cycle it will fi...
May 14, 2011
2007 Chevrolet Tahoe LT 5.3L No Start, MIL Lamp on VIN: 1GNFK13067
P0174: Fuel System Lean (Bank 2). tahoe starts and runs fine cold, after driving 10 to 30 miles trac control and stabiatrac warnings come on then check engine light. No drivabily problems just warnings for trac control continue to come on every 5 min, check engine light stays on with codes po1...
May 15, 2011
1997 Jaguar XK8 4.0L Excessive Emissions, Poor Idle Quality VIN: SAJGX2748V
P0174: Bank 2 Lean. Ok guys, at idle this thing doesnt run very well at all. Bank 2 fuel trim is -19%, short term. Bank 1 is 0%. Bring it up to 1500 rpm and Bank 1 goes to -3 and bank 2 goes to +4%. I pulled the left valve cover and did not find anthing that was obviously amiss. ...
May 16, 2011
1996 Ford F-150 Eddie Bauer 4.9L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FTEF14Y8T
Vehicle came in with the above codes. Before much physical testing I looked at it with my modis. I keep getting this annoying vehicle battery low message even with the truck running on Modis. Aside from that I reset the fuel trims which were -22 LTFT. When I s...
May 17, 2011
1996 Ford F-150 Eddie Bauer 4.9L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FTEF14Y8T
Vehicle came in with the above codes. Before much physical testing I looked at it with my modis. I keep getting this annoying vehicle battery low message even with the truck running on Modis. Aside from that I reset the fuel trims which were -22 LTFT. When I s...
May 18, 2011
2007 Ford Ranger XLT 4.0L MIL Lamp on VIN: 1FTYR44E47
P0174: Bank 2 lean. Hope someone can give me some ideas--this ranger keeps setting lean codes the short term fuel trim starts to climb as soon as the engine runs long trim will climb to 20 just sitting and idling-this is after kam has been reset--smoke tested no leaks found pinch...
May 19, 2011
1997 Jaguar XK8 4.0L Excessive Emissions, Poor Idle Quality VIN: SAJGX2748V
P0174: Bank 2 Lean. Ok guys, at idle this thing doesnt run very well at all. Bank 2 fuel trim is -19%, short term. Bank 1 is 0%. Bring it up to 1500 rpm and Bank 1 goes to -3 and bank 2 goes to +4%. I pulled the left valve cover and did not find anthing that was obviously amiss. ...
May 24, 2011