Why does my Check Engine Light come on?
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“Why does my Check Engine Light come on?”
Welcome to Mercie J Auto Care, Where Compassion and Craftsmanship Come Together. I'm Rick Smith, ASE Certified Master Technician.
The dreaded check engine light strikes fear in the bravest of people.
“Why does my Check Engine Light come on?”
Welcome to Mercie J Auto Care, Where Compassion and Craftsmanship Come Together. I'm Rick Smith, ASE Certified Master Technician.
The dreaded check engine light strikes fear in the bravest of people. To give you a little history, back in the late 70’s some manufactures installed an emission light to warn the drivers if there was a problem with emissions. However, most drivers ignored the light. The federal government wanted to encourage people to get their car in and repair any emission problems rather than continuing to drive and pollute the air. When the light comes on, it seems we need to check something in the engine, right? However, the light actually is supposed to come on any time there is a problem that can cause the cars emissions to exceed the federal standard by 50%. We could have an engine running issue, a vapor leak from the gas tank, or any number of sensor failures. There are probably 80 different things that can cause the check engine light to come on, that’s why it has to be properly diagnosed.
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