2004 Mazda MPV "running lean" Questions

...running too lean when at idle. Too much air and not enough fuel. As you speed up - it forces more air into the system which alleviates the problem. Examine your mass airflow sensor. It should be ...

2003 Mazda MPV ES that idles very rough when warm I have a 2003 Mazda MPV ES that idles very rough when warmed up. It starts well when cold (10 degrees outside) and runs fine until it warms up. It ...

...be leaking fuel injectors, or something telling your motor that it is running too lean and needs more gas. Is the check engine light on? Please let me know if I can further assist you. Regards, ...

2002 mazda mpv idle rough codes say lean banks 1&2 plus random multiple misfire It could be something as small Such as plugged fuel Injectors. Run a bottle of fuel injector cleaner (I use Lucas ...

...be causing the hissing sound, but so could the air intake. If you are running lean then ou are getting too much air in the fuel mixtue so it could be either. I would go ahead and replace the PCV ...

...lean (too much oxygen) condition in the exhaust. It may only be a dirty MAF (mass airflow) sensor. Are you running an "oiled-type"air filter such as a K&N? This can contribute to a dirty MAF sensor. ...

Just returned from Autozone where I had them put the code reading computer on. Lots of codes popped up but it appears the most possible conclusion is lean air/fuel mixture in bank 1 and bank 2 What is

...lean to rich.It should also set a code for the cylinder miss,  the problem could be dirt in the fuel filter or a problem with one of the injectors based on your statement about running low on ...

...running lean o2 sensor bank one and two. Running lean means the ur car is not getting enough fuel for complete combustion. Your O2 sensors have picked this up from the readings. Be sure to check what ...

2001 MPV Runs Rough at Idle and Low end Throttle I used my buddy's OBDII tester and it pulled p0303 and p0174 codes. #3 misfire / lean bank 2 I've changed the plugs/wires/coil. I suspected it was the ...