Question about 2003 Ford Focus
Engine runs fast for a few minutes after starting
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Posted on Jan 02, 2017
Check that your O2 sensor is ok. Has the engine thrown a code? Does your check engine light work?
You can check the MAF or I guess it might still be MAP in that engine but also check your exhaust back pressure to make sure the catalytic converter isn't plugging up.
Posted on Mar 30, 2010
SOURCE: My 98 ford sho was
change the mass air flow metering device in the air intake pipe ,now these can be checked with a scope ?? its about the only way to varify but they are not expensive so just change it as the sensor elements on the end can a do often break down
Posted on Dec 09, 2010
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