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How do you know if your cat is bad on your car?
For one, the check engine light will come on. At that point, you'd have a shop hook up a diagnostic scan tool and decipher the codes.
How do you know if your coil pack is bad on a 1998 Grand prix gtp 3.8?
Generally only one coil will fail at a time. You will notice a distinct miss and rough engine running bath at idle and at speed. The check engine light will come on and a diagnostic tool will bring back the "engine miss" code. Buy a new coil and change out the coils until the miss goes away. If you do not have a diagnostic tool to turn off the check engine light it will turn off after a few driving cycles.
Is there a diagnostic tool that will identify if you have bad crankshaft sensor cam sensor or low oil pressure sensor on a 1994 buick 3800 I have not got check engine light or security light car dies?
you can also go to O'riley Auto Parts or some other auto stores and the will also check your computer for u for free. TimAnswerTech-2 diagnostic tool at a dealer or auto repair shop.
How do you know if o2 sensor bad?
In most cases you will get a Check Engine Light. Be aware, a Check Engine light does not always mean a bad O2 Sensor. Your local auto-parts stores sometimes offer free OBD-II scan tool check.
How do you turn the check engine light off on a 2005 Chrysler 300?
Take it to a shop to have a diagnostic plugged into it. 9 times out of 10 its simply an oxygen sensor that has gone bad. When the diagnostic is complete it will tell you exactly why the check engine light is lit. Try to do this as soon as possible because it is affecting the miles per gallon in your vehicle.
How do you check the 02 sensors on a 2.2 ecotech engine in a 2004 Chevy cavalier?
If you have a bad O2 sensor the check engine light would come on and set a code directing you to which one is bad. A code reading tool would be required to read the codes.
Service engine soon light on Nissan Pathfiner?
A service engine soon light on a Nissan Pathfinder can mean many things. There could be a bad spark plug or even an engine malfunction. A mechanic can run a diagnostic check to see what the problem is.
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.
98 cadillac Deville concourse with a very bad miss in the engine?
it could be numerous things. spark plugs, fuel injectors, burnt valves, distributor, plug wires .... its hard to tell with out hooking it up to a diagnostic tool.
Does the check engine soon light detect a bad cylinder?
Yes. I have a bad cylinder in the engine of my Saturn Outlook and it was detected by the check engine soon light.
What things need to be checked when the check engine light is on?
could the coil pack be bad There are hundreds of things that could turn the light on. You need to have it checked with a scan tool.
What causes Rough idle and engine shaking problems?
Bad spark plug?Bad plug wire?Bad valve?*Bad piston?* Do a compression check to check engine internal condition
