Join Now
International Automotive Technicians Network

P0174 Diagnostic Trouble Code Discussion for November 2007

Fuel System Lean (Bank 2)


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2000 Mercury Sable GS 3.0L MIL Lamp on VIN: 1MEFM55SOY
P0174: bank 2 lean. Hi everyone. I feel like it's my week in the boxing ring, so here we go. This vehicle came in with the above codes stored for lean exh. Problem is occurring at idle and set fuel trims at around 30% ST and 20% LT after idling approx. 1 min. like this suddenly f...
November 02, 2007
2001 Nissan Sentra GXE 1.8L Excessive Emissions, Cuts out, Misfire, MIL Lamp on VIN: 3N1CB51D01
P0174: Fuel Trim Lean (Bank 2). Greetings and thanks for reading, this one came in with poor performance and code. We replaced plugs and ran a good FI service. This made the car run real good. Customer was very pleased with that, but, the trims were still off. Alpha at idle was 94, and at 20...
November 06, 2007
2001 Chevrolet Silverado 1500 4.8L MIL Lamp on VIN: 1GCEK19V41
P0174: Fuel Trim System Lean (Bank 2). We have this truck that sets bank 2 lean code.Freeze frame data shows bank 2 long term fuel trim at +25%...short term bank 2 and long and short for bank 1 are normal.Code was set at 159 degrees at idle not moving.Checked fuel pressure regulator for leakage,spr...
November 08, 2007
2000 Ford F-150 XL 4.2L MIL Lamp on VIN: 2FTZF182XY
P0174: system too lean bank two. tHIS TRUCK CAME IN WITH A PO174 CODE. CLEARED CODE TEST DROVE SEVERAL TIMES CODE DID NOT COME BACK THE COUSTOMER TOOK VECH DROVE FOR SEVERAL DAYS CODE CAME BACK PO174. WE SWAPED O2 SENSORS TO SEE CODE PO174 WOULD RETURN ON BANK 2. IT DID.CHEAKED FOR VAC. LEAKS...
November 08, 2007
2001 Ford F-150 XL 4.2L MIL Lamp on VIN: 1FT2X07271
P0174: Bank 2 lean. Help, Iam not at home this is a in laws vehicle,I borrowed vacuum and fuel gauges and generic scan tool. I am on the road, looked at a couple plugs and tips look lean but bases have carbon build up,No unmetered air i can see,sprayed some carb cleaner around ma...
November 26, 2007
2000 Ford Explorer Sport 4.0L Poor Idle Quality, Hesitation, Surge, Stall, Misfire VIN: 1FMYU70E5Y
P0174: bank 2 lean. ... without asking for help, but it has me stumped. First of all keep in mind that this is the new generation 4.0L V-6 SOHC with a plastic intake manifold. On cold start only it hesitates and seems to starve for fuel badly. If you hold the throttle open and al...
November 29, 2007
2000 Mercury Sable GS 3.0L MIL Lamp on VIN: 1MEFM55SOY
P0174: bank 2 lean. Hi everyone. I feel like it's my week in the boxing ring, so here we go. This vehicle came in with the above codes stored for lean exh. Problem is occurring at idle and set fuel trims at around 30% ST and 20% LT after idling approx. 1 min. like this suddenly f...
November 02, 2007
2001 Nissan Sentra GXE 1.8L Excessive Emissions, Cuts out, Misfire, MIL Lamp on VIN: 3N1CB51D01
P0174: Fuel Trim Lean (Bank 2). Greetings and thanks for reading, this one came in with poor performance and code. We replaced plugs and ran a good FI service. This made the car run real good. Customer was very pleased with that, but, the trims were still off. Alpha at idle was 94, and at 20...
November 06, 2007
2001 Chevrolet Silverado 1500 4.8L MIL Lamp on VIN: 1GCEK19V41
P0174: Fuel Trim System Lean (Bank 2). We have this truck that sets bank 2 lean code.Freeze frame data shows bank 2 long term fuel trim at +25%...short term bank 2 and long and short for bank 1 are normal.Code was set at 159 degrees at idle not moving.Checked fuel pressure regulator for leakage,spr...
November 08, 2007
2000 Ford F-150 XL 4.2L MIL Lamp on VIN: 2FTZF182XY
P0174: system too lean bank two. tHIS TRUCK CAME IN WITH A PO174 CODE. CLEARED CODE TEST DROVE SEVERAL TIMES CODE DID NOT COME BACK THE COUSTOMER TOOK VECH DROVE FOR SEVERAL DAYS CODE CAME BACK PO174. WE SWAPED O2 SENSORS TO SEE CODE PO174 WOULD RETURN ON BANK 2. IT DID.CHEAKED FOR VAC. LEAKS...
November 08, 2007
2001 Ford F-150 XL 4.2L MIL Lamp on VIN: 1FT2X07271
P0174: Bank 2 lean. Help, Iam not at home this is a in laws vehicle,I borrowed vacuum and fuel gauges and generic scan tool. I am on the road, looked at a couple plugs and tips look lean but bases have carbon build up,No unmetered air i can see,sprayed some carb cleaner around ma...
November 26, 2007
2000 Ford Explorer Sport 4.0L Poor Idle Quality, Hesitation, Surge, Stall, Misfire VIN: 1FMYU70E5Y
P0174: bank 2 lean. ... without asking for help, but it has me stumped. First of all keep in mind that this is the new generation 4.0L V-6 SOHC with a plastic intake manifold. On cold start only it hesitates and seems to starve for fuel badly. If you hold the throttle open and al...
November 29, 2007