1998 Mercury Villager "o2 idles rough" Questions

Idling rough and a strong gas smell Something is telling the engine it is running lean. Try checking the O2 sensors maybe.

...rough and seem like it will die but it doesn't. When driving there is a noticeable lagging feel to the drive as if the timing were slightly retarded. Like it is resisting the advance movement. Sounds ...

...rough idle. I can floor it and the idle goes away. You don't clean O2 sensors , if bad you replace them . An only if there is a DTC - diagnostic trouble code or you check out O2 sensor performance ...

o2 sensor to fail. car is idleing rough but not stallin yet. please help What is your Trouble code? O2 sensors just don't go bad, unless you are buying cheap parts. Need to find out why its idling

...o2 sensor. engine rough idle vacuum leak in PVC line or clogged PVC. its a leak after the map sensor. o2 sensor is correcting for a lean condition so its adding fuel to your car when the o2 sensor ...

O2 i have a ford 5.4 litre V8 32 valve.it idles rough at 500-600rpm.changed out both O2 sensors.all new spark plugs. still wants to cut fuel back on left hand bank.but runs smoother at higher rpm 1500

...also noticed that 1 18awg white wire is not connected to the o2 senser, before the cat. the broken wire is the cause of rough idle, o2 sensor measures exhaust temp computer adjusts fuel

...idles rough if i turn my steering wheel left to right. the check engine light appears as well. they told me its an oxygen sensor clean the intake with a good quality intake cleaner. A carb cleaner ...

...O2 sensor causing my rough startup? the fault codes i pulled are as follows: #1: HO2S/O2S Insufficient Switching Sensor 1 Or Bank 1 Sensor 1 #2: HO2S-11 (Bank 1 Sensor 1) Circuit Low Input #3: O2 ...

...IDLES ROUGH. WOULD BAD OXYGEN SENSORS CAUSE THIS? it's not likely a bad o2 sensor would cause it to run rough, but the catylitic converter, which is what the o2 sensor reads the flow of, would cause ...