P0174 OBD Engine Code Logo   Code #P0174 -
System too Lean (Bank 2)

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system too lean

GMC Yukon
code p0174


car is shaking at idle. Code came on..

hard start, replaced pickup sensor

Exhaust stinks, minor loss of power. Replaced O2 sensors pre and post cat, air filter, CCV, oil change, vacuum lines, intake hoses, fuel pumps in tanks, fuel filter and regulator, spark plugs

BMW 325xi
P0174 and P0172 codes still coming on. Do have sticky calipers I believe are giving me bad gas mileage that I'll be changing. Not sure if the sticky brakes could be causing the codes from holding the engine back.


System Too Lean(Bank 2)

P0171 P0174

Ford Explorer Sport
P0171 P0174


BMW 535xi
Is this Pre cat of post if it is an O2 sensor?


My car is given me a lot of problem, when i took it to my mech. he diag. it and it show that the fault code is p0171 and p0174 fuel lean bank 2. What can i do to sove it.....

Volkswagen Touareg
i have 2006 model but in every 15 to 20 secon when am moveing, the car engine will soddenly stop, i keep on starting it again and again thesame problem occour, so i took it to my mech. and he diag. it the fault code was p0171 and p0174. pls what can i do to sove it....


Just starting to fix it. Check engine light on all the time. Occasional shifting irregular. Engine seems to lag on acceleration occasionally.

Saturn LS2
po174


Ford Taurus
Car just had convertoer replaced and coil pac.Also had a crack in the intake which was sealed. Car is a little rough at idle.


Ford F-250
Po174 and i made the tune up


Poor gas mileage rough idle

Po174

Po174

Ford F-150
p0174


P0174

o2 sensor

Nissan Sentra
shken


o2

LEXUS

PO300

LEXUS-ES330

Lexus ES 330
P0174


Lexus ES 330
P0300 TRANSMISSIYA


po174

Lincoln Navigator
I HAVE THIS CODE WITH P0011,P0012,P0345,P0349 AND SO HELP ME GOD I REPLACED BOTH CAM SENSORS/BOTH VCT SOLENOIDS/CRANK CASE SENSOR/NEW THROTTLE BODY WHICH INCLUDED ALL SENSORS THAT CAME WITH IT,MASS AIR FLOW,THROTTLE SENSOR ECT...NEW BATTERY/ALTERNATOR/NEW COILS/PLUGS/CAM PHASERS AND TIMING CHAINS..I HAVE HAD SMOKE TEST /WENT TO FIRESTONE/GOODYEAR AND EVEN THE DEALER FORD LINCOLN MERCURY.I CHANGE MY OIL EVERY MONTH HAVE HAD THE ENGINE MOTOR VAC,ALL WITHIN 4 MONTHS ,I SPENT SO MUCH MONEY I CAN,T GIVEUP NOW... IT IS RUNNING BETTER BUT I CAN NOT GET IT INSPECTED WITH THESE CODES, RUNS PERFECT COLD ACTS UP AFTER 30 MINS OF DRIVING,I COULD CLEAR CODES BUT THEY COME BACK, THE ONLY THING I CAN THINK OFF SINCE MY TRUCK IS 2005 I PUT A CAN OF RESOLVE ENGINE ADDITIVE IN 5 MONTHS AGO AND THATS WHEN EVERYTHING STARED TO GO CRAZY..DO I HAVE A OIL FLOW PROBLEM? PS I JUST CHANGED THE GAS FILTER..JIMMY .W...PLEASE HELP AND PLEASE DON,T DO WHAT I DID CAUSE I LOVE MY TRUCK.


Suzuki Grand Vitara
Bank2 too lean


Po174 Eaten gas



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Does your Car Start?
Does your Car Vibrate? Shake?
Does your Car Idle Roughly? Reduced Power?

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Other Comments

P0660 engine overheating

P0935 Had a p0868 first.changed plug because lock was broken. Now have p0935

P0308 replaced coil,injector on number 8 cylinder

P0308 Dodge Ram Pickup 1500
rough idle


P0885 P0885



Other Check Engine Light Codes

P0031   HO2S Heater Control Circuit Low (Bank 1 Sensor 1)
P0034   Turbo Charger Bypass Valve Control Circuit Low
P0174   System too Lean (Bank 2)
P0231   Fuel Pump Secondary Circuit Low
P0320   Ignition/Distributor Engine Speed Input Circuit
P0656   Fuel Level Output Circuit
P0810   Clutch Position Control Error
P0896   Shift Time Too Long
P0935   Hydraulic Pressure Sensor Circuit High
P0973   Shift Solenoid "A" Control Circuit Low




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