1998 Ford Contour "code po171 oil change" Questions

...sounds like EGR valve and sensor this controls idle speed when at a stop. the po171 is a burn lean or rich code need to know what bank 1 or 2. also check for a vacuum leak from one of the

...Code PO171 I have a 1996 2.0 SOHC, I get a constant PO171 code. Everything has been changed, including the engine and I still get the code!! I even changed the oil pressure sensor and cleaned the ...

code OBD2 PO171 You always prepare for inspection New air filter,spark plugs not over 3 years old,clean motor oil & more, those O2 Sensors you got a code for ,there was no reason for that, as they

Po171 code came up on my 99 jeep grand Cherokee larado an the air bag light is on an the abs light how do I fix theses problems First step is to look up Jeep trouble code PO171 This is the link I ...

...odometer will start to show dashes and when the dashes are gone the light will be reset. It means you should change your engine oil. Check your owner's manual. Toyota corolla service engine code ...

PO171 trouble code. It might be the infamous PCV elbow problem.. Around 100K miles 5.4's are bad to rot out the PCV elbow on the back of the throttle body, this will cause bad idling problems and will

...PO171 code .please help! Hi there: DTC P0171 - System to lean Bank 1 You might just have an air or a vacuum leak causing this code. This is pretty common. Be sure to check for vacuum leak such as ...

...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 ...

code P0171 system to lean (bank 1). I was told to check the H02S for bank one. How diffcult is this to change and where is it located? Also on the 2003 ford expedition where is the MAF located? if you

...po171 I have lifters chatter like its starving for oil We can't help you here You need the car diagnosed I doubt you have lifters,should have OHC valve train Most likely the oil passages are clogged ...