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It is caused when the onboard computer detects a fault. Use a computer diagnostic scanner to find out which specific fault has been detected. Often the description of the codes is a bit obscure and it can take a little head-scratching and investigating to figure out what the cryptic message may mean. just go to autozone or any parts place and most of the time they have a scan tool and will let you use it to find out whats wrong. quick and ez and you are allredy at the store. the check engine light can come on for many different reasons. some reasons are minor (filled with gas while engine running) others can be bad (engine trouble). the best thing to do, if your car runs okay, disconnect the red battery terminal and reconnect. the check engine light should be off
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What does check engine code P0420 on Chevy Prizm?
Trouble code P0420 means:Catalyst system efficiency below threshold
Turn off check engine light on 2000 Chevy Prizm?
I clear the check engine light with a Scangauge II. But most ODB-II devices can read and clear the code.
What does a blinking engine light mean on 2003 Chevy 1500 HD?
A flashing check engine light usually indicates a misfire. You need to check codes to know possible causes.
1998 Chevy Malibu is getting gas but no fire what causes fire to engine?
Check your coil pack or the spark plugs.
What causes a check engine light on a Chevy Astro van?
That means that the computer see's a problem with the emmission system are the transmission. Need to have engine scaned with a engine scanner to see what is going on.
Why the check engine light came on geo prizm?
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
Check engine light came on after heavy driving in Geo Prizm 1994?
May have to change oil.
How do you reset check engine light for the 2009 Chevy trail blazer?
How do you reset check engine light for the 2009 Chevy trail blazer?
Does a 2001 Chevy Prizm have ABS?
Yes, the 2001 Chevy Prizm can come equipped with Anti-lock Braking System (ABS), but it depends on the specific trim and options chosen. Not all models had ABS as standard, so it's important to check the vehicle's specifications or consult the owner's manual to confirm whether a particular Prizm has this feature.
How do you fix dash lights in2003 Chevy Prizm?
Be sure the dash light dimmer switch is not turned off. Check the fuses.
Causes of check engine light 1981 Corvette?
Causes for the check engine light to come on in a 1981 Chevy Corvette include overheating, low oil pressure, and a bad alternator. Because this car is not equipped with a computer, it has limited self diagnostic abilities.
What causes a 350 Chevy engine to backfire at idle and when decelerating?
That usually means it's lean. Check all vacuum lines and gaskets for leaks.
