Question about Mazda Cars & Trucks
Disconnect the battery hot lead for a little while so the computer has to reset. A half our is time enough. Then reconnect your battery, turn the switch on, you'll see the check engine light which is normal, start the engine and the light goes out. If it doesn't go out upon startup, the #2 sensor wasn't all that was faulty. Put the diagnostic unit back on it to find another code and research that code to find the problem.
Posted on Oct 06, 2019
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Posted on Jan 02, 2017
When that light comes on, it is indicating charging system problem which could mean alternator not charging for one reason or another like loose belt, faulty alternator, or yes, bad battery or connection at battery, for example. First & easiest thing to do is check all your connections to battery, which you've probably done, and make sure they're tight & clean. Make sure belt driving alternator is good & tight, and in good shape. Now boost the vehicle to get it going & test voltage at battery, after you take cables off. My guess is in your case, the voltage will begin to go down, indicating a bad alternator, that will need to be replaced.
Posted on Jan 17, 2009
SOURCE: how to reset check engine light
first go to autozone or your local parts place for a free scan, fix whatever that it is thats wrong(which Im assuming you did) then have them reset it with the scan tool, And its free
Posted on May 27, 2009
check the fuel filter air filter and vacuume lines if they all good make sure the spark plugs are making a bright blue spark
Posted on Jan 20, 2010
bank 1 is the bank of cylinders closest to the firewall. the sensor will be located along the exhuast from that side after the catylitic converter
Posted on Apr 01, 2010
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