Question about Cars & Trucks
Check engine light on
A lean fuel mixture is usually caused by unmetered air entering the motor. ( vacuum leak ). Have a look for any disconnected or broken vacuum hoses. Take a look at the air intake tube from the air filter to the throttle assembly to make sure it is tight and connected properly. A weak fuel pump or a restriction in the fuel filter can also cause a lean condition. Another problem could be a MAF sensor giving false readings.
Posted on Apr 06, 2015
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Posted on Jan 02, 2017
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