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There are pages and pages and items that can cause a check engine light. You need to have it checked for codes with a scan tool. After repair light can be shut off with scan tool.
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∙ 15y ago
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Why does the engine make noise when the lights are turned on?
Alternator straining to maintain battery charge?
Whirling noise under hood for 10 seconds after engine is turned off?
It is probably your cooling fans. These are electric and may run with the engine turned off. It is probably your cooling fans. These are electric and may run with the engine turned off.
When does the engine have noise idle rough?
when stopped at red light or when in park
What is the noise coming from the engine of my 2005 element after it was drove in some deep water the check engine light came on now we have a noise in the engine we replaced the serpentine belt?
you have a stuck valve
My car starts in the morning with a very sharp noise. I turned off the key and took it out. But the engine kept shaking.?
GASOLINE ENGINE OR DIESEL?
Your 1999 Chevy Cavalier is making a horrendous noise when you accelerate it it almost sounds as if it was back firing i just got a check engine light turned on what can i do and what could because it?
Bring to a shop and have it scanned to determine problem
What causes engine noise in a 2003 Chevy Tracker?
In order to tell you that you would have to describe the noise and what the car is doing when the noise is made. Are you idling, driving, just turned the AC on? What is occurring and what is the noise? Idling and sounds worse when AC is on. Sounds like it is coming from the top of the engine. Vehicle has 120k miles
Car makes a thumping noise so long as the engine is on a goes off when turned off?
The frist thing I would check would be the engine mounts.
What would be the cause if when the engine makes a light screeching noise when the AC is off but when turned on the noise goes away on my focus?
There may be some drag on the AC clutch when it is disengaged as the clutch 'free-wheels' during this time. When you engage the AC ,the clutch 'locks up' and the noise disappears. If the noise gets worse you may need to replace the clutch, if it stays the same and it not very loud, I would not replace it.
What does it mean when the transmission light comes on and the engine makes a knocking noise?
Your transmission fluid might be low.
Can a bad 02 sensor cause your engine to make a noise?
Not likely. A bad O2 sensor would illuminate the check engine light and the engine performance would suffer.
What in a automobile engine serves no purpose but without it the engine does not work?
Noise. Without noise, it can't work. Noise is in an engine, and without it does not work. Every engine has to make some kind of noise, internal or external, inside or outside the engine.
