Question about 2005 Mazda 6
Posted by Anonymous on
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Posted on Jan 02, 2017
Here are links to the diagram...
If your engine is the 2.3L 4 cyl... http://www.gates.com/common/part_locator/view_diagram.cfm?id=S7042
If your engine is the 3.0L V6... http://www.gates.com/common/part_locator/view_diagram.cfm?id=S6036
Posted on Sep 01, 2009
The descriptions for your codes are:
P2197 - H02S (RF) signal stuck lean
P2195 - H02S (RF) signal stuck lean
P2187 - Fuel System too lean at idle
P0102 - MAF circuit low input
Essentially what's happening is that your MPV is 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 completely clean - no fuzzies on it at all. If so - purchase some mass airflow sensor cleaner to clean the sensor. ONLY USE THE PROPER CLEANER TO AVOID DAMAGING THE SENSOR. Disconnect the battery to reset the system and turn off check engine light.
Otherwise you will need a scan tool to look at the voltages being supplied to/from the PCM for each of the Heated Oxygen Sensors and the Mass Airflow Sensor to determine which part is creating the problem.
Posted on May 25, 2011
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