You need to go to a parts house and have them read the codes. Most do this at no charge. A blinking service engine light indicates that a problem exists that can cause engine damage. For example, if a spark plug is miss firing it could damage the catalytic converter. The steady light indicates that a code has been recorded.
SOURCE: head light 2005 altima
you have to remove the bulbs from inside of the hood in the engine compartment. in some cars you have to remove some "pins' and remove the entire headlight assembly.. You then remove the holder where the lightbulb is located and replace the bulb.
SOURCE: nissan altima 2005 noise from engine
i had the same issue had the alternator replaced and their is no longer a noise.
SOURCE: 1995 Nissan Altima Check Engine light came on.
Dear Brad: There are many auto parts houses out there which now offer free scanning for codes. Auto Zone is just one such retailer that offers this free service. They will scan the car for free giving you the codes and what the codes mean, but will not go into any great depth ans to what they mean unless you happen to get lucky and the person who does the scanning happens to be a tech. As far as I know, there is no means of testing for codes other than through the factory test tool or another generic test tool. As far a looking up what the codes mean, once you know what the codes are, you could go down to a book store like Barns and Noble and find a repair manuel that has the references. You don't have to buy the book to look up the code meanings and solutions, you can just write down the findings. Good luck
SOURCE: fuel pump 2005 nissan altima
Take it back to where you had it serviced. They probably simply missed connecting the fuel level sensor. The engine light is probably from a missed emissions hose that goes to the gas tank.
SOURCE: receiving engine code p0420 on my 2005 altima 2.5 s
A p0420 code indicates a Catalytic System efficiency failure, Bank 1.
Basically, the computer is seeing reduced efficiency of the catalytic converter or one of it's components (such as an 02 sensor)
There may be a few root causes, such as a faulty oxygen sensor, faulty coolant temperature sensor, faulty converter, Large exhaust leak, or retarded (slow) timing.
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