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Old 04-26-2007, 12:25 AM
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vpnavy vpnavy is offline
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2015 Rogue
 
Join Date: Mar 2007
Location: York, PA
Posts: 2,138
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Quote:
Originally Posted by GISdude View Post
Hi all.
I just passed my smog test on Saturday. After about a half-hour of driving my newly smogged 2001 Frontier, my service engine soon light came on. I have a feeling the technician may have forgot to do something simple after giving me my car back. Anyone have a quick way to check it? I'm assuming that the O2 sensor is good and also, I re-tightened the gas cap just to be on the safe side.

TIA
You can take your car to a dealer, etc. and have it reset or, you can try following these procedures to clear the SES:

This is how you find out why your Service Engine Soon (SES) light is on and how to reset it. No tools required!

In car ECM Diagnostics/ECM Reset procedure:

1) Sit in the driver's seat.

2) Turn the ignition key to the ON position and wait three seconds. (Do not start the car.)

3) Fully depress and release the accelerator pedal five times in less than five seconds.

4) Wait exactly seven seconds. Fully depress the accelerator pedal for ten seconds until the SES light flashes.

5) Release the accelerator pedal and start counting flashes to obtain the four-digit trouble code.

Long flashes (0.6 seconds) indicate the first digit of the code; count the blinks one through nine and write down the first digit. (Ten blinks indicates a zero.)

The next three digits follow in turn in the same fashion except with faster blinks (0.3 second) and a 1.0-second pause between digits.

The ECM code repeats intself until you turn the ignition key to the OFF position, at which point the ECM resets itself to standard get-in-and-drive-the-car mode.

You can look up the trouble codes in the ESM/FSM; there's a bunch of them. In the ESM, refer to page EC-639.

Additionally, if you get four blinks of ten (0000), the ECM is indicating no malfunction.

You can clear the code (and the annoying SES light) by holding down the accelerator pedal for more than 10 seconds while the SES light is blinking. When you release the pedal, the ECM erases the trouble code(s).

Please let me know how it goes...
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