What does the check-engine light mean?
A steady check-engine light means the car's computer found a problem and stored a code, and Consumer Reports says to schedule a check as soon as possible. A flashing light usually means a serious misfire, so Consumer Reports says to reduce power and have the car looked at as soon as possible.
What does the light mean?
It comes on when the car's computer finds a problem it cannot correct and stores a trouble code.
Steady or flashing?
Consumer Reports says a steady light is not an emergency, but you should schedule an appointment as soon as possible. A blinking light usually means a misfire so severe it can quickly damage the catalytic converter, and Consumer Reports says to reduce power and have the car looked at as soon as possible. New York's DEC says severe malfunctions that make the light blink "require a reduction in speed and immediate service." AAA says to avoid driving the vehicle further.
What about the gas cap?
Consumer Reports, AAA and New York's DEC all say a loose gas cap can turn the light on, and tightening it is a quick check. Consumer Reports says it may take several trips before the light resets.
Does a code tell me what to replace?
No. Consumer Reports says a code points toward a problem and does not diagnose it, and an experienced professional is needed to diagnose it.
What about the New York inspection?
New York's DEC says a car with the check-engine light on fails the OBD II emissions inspection. The DEC says the light can also turn off by itself once the problem is resolved, which does not mean the system is defective. New York's DEC says disconnecting the battery to get around the check leads to a failure. New York's DMV says clearing codes or a recent battery disconnect can leave the car "not ready." The DEC says not to wait until the end of the sticker period, because the repair technician "needs adequate time to diagnose and repair." The DMV says not to wait until the annual inspection, and that repairing promptly helps clean the air and could save time, repair costs and fuel costs.
What can I ask?
- Is the light steady or flashing, and when did it come on?
- What code was found, and does the shop know what caused it?
- Which part is being replaced, and is it written on the estimate with the labor?
- Was the gas cap checked?
Our Sunset Park shop listed mechanical work, alignment, and tire and wheel repair.
General information only. This page does not say what any iDeal shop offers. Naming a source does not mean any iDeal shop is certified by it or affiliated with it.
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What does the New York State inspection check?New York's DMV says each car and light truck registered in New York must be inspected at least every 12 months.
When should I replace my tires, and what pressure should they have?AAA recommends replacing tires at 4/32 inch of tread, and Consumer Reports says to start shopping around then, well before New York's inspection minimum of 2/32.