Motor Vehicle Maintenance and Repair Stack Exchange
Motor Vehicle Maintenance and Repair Stack Exchange

Questions tagged [cel]

An acronym for "Check Engine Light" warning light on a vehicle's dashboard.

The Check Engine light is an indicator lamp placed on the vehicle's dashboard. Typically amber or red coloured, this malfunction indicator lamp (MIL) indicates a problem with the computerized engine management system. It often has an icon in the shape on an engine.

Note that if it is flashing on and off this means that a misfire that will damage the catalytic converter is occurring. In this case the engine should be turned and repaired before being returned to service.

Also include tag for the specific Diagnostic Trouble Code (DTC), such as if available. Include tags for your make and model such as .

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What CAN'T the check engine light tell you?

Usually when something goes wrong with my vehicle the check engine light comes on. I had an issue recently where the check engine light did not turn on, but the vehicle ceased functioning. I read the check engine light comes on frequently for any…
Josh
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Why does the check engine light have a pulley on top?

We've all seen the check engine light. It's not an entirely bad representation of an engine -- You have the accessory pulley on the left hand side, and something on the right, perhaps a connection to the transmission, or air box. It's generic enough…
Sidney
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Reset CEL after suspected repair or not?

Assume I get a CEL and I determine the code and perform the re[pair/replacement of what I suspect to be the most likely cause. At that time, is it better to reset the CEL [erase the code(s)] and wait to see if the engine, after some miles (usually…
amphibient
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Check engine light on

H, I was driving car. Suddenly check engine light turned on. Car runs fine. Light is not blinking. Should I continue driving the car? I googled about this and the following article appeared. Can you please tell what should I…
Mech50
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Can a disconnected srs system ground cause a check engine light?

Honda Civic coupe vti 1999. I would think no since it is not related to engine and transmission?
James Wilson
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Check engine light just a glitch?

So I recently asked this question as I was getting the check engine light. Is obd code P0133 anything to worry about? Was investigating doing it myself and changing the o2 sensor didn't seem like a hard task. However I'm not ready to search for…
James Wilson
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2004 Buick Lesabre

I have a 2004 Buick Lesabre. The check engine light came on so I had the code read. It was P0442. The gas cap was just sitting there so I tightened it. This has been a couple of weeks ago and the light is still on. Does this mean there is something…
Phowton
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