Question about 2004 Mazda MPV
P0174 Bank 2 system too lean P0305 cylinder 5 miss fire
Posted by Anonymous on
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Posted on Jan 02, 2017
It means that your MAF Sensor is dirty or faulty, or you may have a vacuum leak downstream of the MAF Sensor in one of the hoses.
In most cases, just cleaning the sensor will fix it. Otherwise you'll have to have all your hoses inspected and or replaced and also a Dirty Fuel filter can cause this code
Posted on Sep 11, 2009
Check or replace your gas cap. When a gas cap gets old it can no longer hold pressure in the tank causing gas fumes to leak out and ambient air to get into causing the check enging light reading. Try replacing it first. It'll only cost you $15.00. Reset your computer with your hand held device. It takes 50 miles for the computer to reset itself. If the problem does not come back after 50 miles then you've got it done cheaply. Good luck.
Posted on Sep 19, 2010
SOURCE: my 2002 mpv has
More than likely a dirty MAF sensor (Mass Air Flow) It's the large round air intake with wires going to it. It requires special MAF sensor cleaner - DO NOT use spray carb cleaners as you will damage it.
Posted on Mar 25, 2011
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