2003 Ford Explorer Sport "po171 po174 oxygen sensor" Questions

...po171 code is more than likely a lazy oxygen sensor on the drivers side of veh it will be the upstream sensor as there are 2 sensors on each side of the engines exaust upstream being the first one ...

PO171 & PO174 check engine light on / code are PO171 & PO174 .How to fix the problem? You should be replacing all upstream oxygen sensors, the ones at the inlet or pipe before the converter,on

...po174- Heated oxygen sensor switching slow right side po171-Heatd oxygen sensor unable to switch right side. C hange out 02 sensor once you do that if engine light doest turn off you may need to take ...

po171 and po174 oxygen sensors for 2002 Chevrolet Silverado 2500hd w/6.0 litre engine - truck has 12 - how do I find out codes? your truck should only have 4 o2 sensors two upstream and two down ...

...CHECK ENGINE LIGHT HAS OMEON AD THE CODE READS PO171 AND PO174 SYSTEM TOO LEAN IN BANKS 1 AND 2. WHAT COULD BE THE POSSIBLE PROLEMS. HOW TO FIX THE LEAN MIX TO THE ENGINE? Most likely a Oxygen

...po171 and po174 on 1996 ford pickup cab 150 if motor is running lean - fuel pump or fuel filter could be problem - if oxygen sensors are coated over - they can be cleaned - replaced if defective - ...

...po171, po174, p1131 &p1151. I fuel pressure (ok), also vacuum is good for a while , when start running bad the vacuum will drop from 19ins to 15ins Vacuum drops --you got leaks The codes are ...

...po171, po174, 171 oxygen sensor bank 1 too lean, 174 oxygen sensor bank 2 too lean. 430 catalyst system eff. below. 443 Emission Control System Purge Control Valve Circuit. Could po430 be set by bank ...

...po171 and po174 it die out when I'm at a red light but cranks back up missing bad when it warms up P0171 - Fuel Injection System Too Lean Bank 1 Possible Causes: - Intake air leaks - Front Heated ...

...po171 fuel injection system to lean bank 1 po174 same thing but bank 2 that could be the oxygen sensors Highly unlikely a sensor problem. More liely a dirty MAF or a vacuum leak.. dies when im coming ...