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P0174

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P0174 OBD-II Trouble Code: System Too Lean (Bank 2)
P0174 code definition System Too Lean (Bank 2) What the P0174 code means Code...

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Question
My truck is losing power on take off and throwing multiple codes
Hello. The codes listed are indicative of lean conditions on both banks A and B, as well as issues with the camshaft position sensor for circuit B. A lean condition at both banks can be caused by many things. A...
Question
Error code P0171 and P0174
The high positive long term fuel trim suggests a vacuum leak and/or inadequate fuel delivery. But there are other causes that have to be evaluated as well: bad oxygen sensor(s); dirty MAF sensor; stuck open EGR valve; weak fuel pump;...
Question
Need to know what to do with these codes generated
All the generated codes will need further inspection from a mechanic. The P0300, P0301, and P0305 are all misfires in the engine and could also cause some of the additional codes. You will need to have a diagnostics done and...
Question
Engine codes detected were P0016 P0017 and P0174.
The codes P0016 and P0017 are related to the crankshaft location and the camshaft location. Check the camshaft position sensor and see if its plugged in. If the wiring harness is in good shape and the wires are plugged in,...
Question
I have codes P0151, P0171, and P0174. I have changed out my O2 sensor, but now I have all these codes
Hey there. The codes you have downloaded simply relate to malfunctions in the "engine management system." It appears codes were set for oxygen sensor voltage out-of-range, possible EGR (exhaust gas recirculation) problems such as a blockage, and a generic code...
Question
Too lean in bank 1 and bank 2
Hi and thanks for contacting YourMechanic. When the engine becomes too lean, then combustion chamber becomes very hot causing the head gasket to burn, valves begin to burn, and the rings being to seize up. Check the camshaft sensor and...
Question
codes p0174, p0302, and p2A03 read on code reader.
Hi there. What is happening is the codes are reading for a misfire on cylinder number 2 and the system is too lean on bank 2. Check the spark plugs and the fuel injector on cylinder 2 to see if...
Question
I keep getting OBD-II codes P0171 and P0174
Since you have codes that both banks are lean then the problem will most likely be from air entering the intake manifold after the mass air sensor. The idle air control valve should not have any air leaks from the...
Question
My truck is giving codes P0171 & P0174
Hi there. If the engine is running lean, then there could be a plugged fuel filter or a faulty fuel pump with loss of pressure. If the pressure is dropping after 20 to 25 minutes, then there could be a...
Question
Shaking when in overdrive
Hi there. Check the fuel system and see if the fuel injector for cylinder number 2 is malfunctioning. The code P0402 means that the EGR is not functioning and the code P0174 means that Bank 2 is lean, which is...
Question
Check Engine Light with P0174 code
As you know, this code relates to a lean fuel condition which can be caused by many different things, some of which you have already addressed. The oxygen sensors, which are part of your emissions system, read exhaust gases to...
Question
i have 3 code on my car P0431, P0174, P0305
Noise in exhaust systems occurs due to leaks as well as internal failure of the baffles in the muffler or resonator. So, just because there are no leaks, doesn't mean the exhaust system will be noise free. An [engine/exhaust noise...
Question
P0404, P0405, P0171, P0174
Hello. Thank you for writing in. Due to the p0405 code, you will want to start by replacing the sensor. This is typically easier and cheaper than replacing the EGR unit all together. If the light continues to illuminate, then...
Question
I failed a smog check with the codes PO171 & PO174, saying the system is too lean on the bank 1 & 2. Can you tell me what the problem is?
Hi there. When the two codes P0171 and P0174 come up for a lean system on both banks of your engine, then either all of the fuel injectors are not working properly or your fuel pressure has dropped. Check the...
Question
2001 bmw 325xi P0174 and P0171 code,just had a tune up and one coil replaced car is stalling down,vibration and idle down when pre
The two codes that you have provided suggest these possibilities, at minimum, which possibilities may exist alone or in combination: an air leak after the mass air flow (MAF) sensor, such as a torn intake boot, or bad intake manifold...
Question
I have a p0174 code that was reviewed on a scanner.
Hi there. The code P0132 in on for an issue with the upstream oxygen sensor. There could be a broken wire, frayed wire touching something metal, or the sensor could have failed. The code P0174 is on for the Mass...
Question
P0300 and P0305. Pending: P0304, P0306, P0171, P0174, P2196, P2198
Hi there. The issue that maybe happening is the are fuel injectors that are not firing and there is a vacuum leak on the engine. Possible multiple sensors are not working causing the P2196 and P2198 codes to appear. For...
Question
Remote start stopped working and check engine light went on.
Hi there. The codes are referring that that both banks on the engine are reading a lean condition. For a lean condition to occur, the fuel system is not functioning properly. Check the fuel pump, fuel pump relay, and the...
Question
Have code P0174, did smoke test smoke comes out EGR valve. Does that mean it's bad? 2004 Ford Ranger
Hi there - smoke coming out of the EGR valve simply means the valve is either leaking, or stuck in the "open" position. The P0174 code indicates a "lean" condition too much air/not enough fuel on the bank of cylinders...
Question
My Lincoln ls 2004 has 9 codes at onece
Hi there. Your vehicle is in a lean mixture state. The fuel system is not supplying enough fuel to the engine. Check the fuel pump to see if its working by putting on a fuel pressure hose on the fuel...

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