WebSep 22, 2012 · Codes P0175 bank 2 system too rich P0171 bank 1 system too lean Those are the only two I have now the top two Before P0304 cyclinder 4 misfire P0305 5 P0306 6 those were taking care of after exhausted manifold was replaced and intake manifold gasket was replaced P1152 lack of headed oxygen sensor (bank 2 sensor 1) swith, indicates rich WebDec 18, 2010 · Bank 1 is cylinders 1,2,3. Bank 2 is cylinders 4,5,6. All you cylinders are running lean. If it isn't a vacuum leak, it could be a clogged fuel filter or a under performing fuel pump not supplying enough fuel. If your buddy can, have him check the fuel pressure and delivery volume. If the pressure or volume is low, replace the fuel filter and ...
P0174 Code - What It Means And How To Fix It
WebJan 9, 2024 · Have a P0174 Code (Bank 2 lean) coming up along with an intermittent C3400 (read with Torque). Shortly after the first time this appeared the Bank 2 A/F heater circuit went open circuit. Bought a new Desno A/F sensor and installed. Codes came back. Cleaned MAF, same. Looked for intake leaks, can't find any. Can PM torque log. WebSTFT and LTFT are maxed for bank 2, perfectly normal for bank 1. Upstream O2 sensor on bank 2 rarely goes over 0.050 V and the downstream rarely goes under 0.9V. So something is telling the sensor that it is lean and it is dumping fuel in and has of course fouled the plugs and screwed the sensor. AIR system has been removed and codes deleted. resorts with swimmable beaches
P0174 code, but no vacuum leak? - Ford Truck Enthusiasts Forums
WebAug 21, 2024 · So I drove it for about 30 minutes and noticed the fuel decreasing a lot quicker than it would normally (obviously from fuel leaking) Then I got the infamous "Drivetrain Malfunction" and the following codes below: -P0174 System Too Lean Bank 2. -P0087 Fuel Rail/System Pressure Too Low. -P0171 System Too Lean Bank 1. WebJul 19, 2009 · On my 99 F150 4.2 v6 5 speed man. 112000 mi. i am getting the p0174 code, bank 2 lean. I have seen alot bout this problem with the left bank or right runnin lean, i have checked for vacuum leaks and tested with vacuum gage. i also compared vacuum to another truck and they were the same. It doesnt look like the pcv elbow is the problem. WebApr 12, 2024 · P0174 – System Too Lean (Bank 2) What does the P0174 Code mean? The P0174 code means that the O2 sensor on bank 2 has recognized a too lean mixture, and the imbalance is too great for the O2 sensor to correct the issue on its own. The O2 sensor can correct a fuel mixture of +-15%. If the needed correction is out of this range, the … resorts with sunken tubs