Service Engine Soon
Thread Starter
Registered User
Joined: Apr 2005
Posts: 43
From: Long Island, NY
Service Engine Soon
The service engine soon light comes on frequently. When I turn the car off, and turn it back on, its gone. Then it dosnt happen for a while. Whats the list of things that could be?
Registered User
Joined: Apr 2005
Posts: 247
From: Elgin,IL
Re: Service Engine Soon
possibly because the sky is blue.
maybe you ran over an ant.
seriously dude it could be anything.
you need to run the codes im not going to tell you how because its annoying go to www.thirdgen.org. they will tell you how to run the codes and what they are.
maybe you ran over an ant.
seriously dude it could be anything.
you need to run the codes im not going to tell you how because its annoying go to www.thirdgen.org. they will tell you how to run the codes and what they are.
Registered User
Joined: Mar 2005
Posts: 160
Re: Service Engine Soon
Originally Posted by Black305RS
possibly because the sky is blue.
maybe you ran over an ant.
seriously dude it could be anything.
you need to run the codes im not going to tell you how because its annoying go to www.thirdgen.org. they will tell you how to run the codes and what they are.
maybe you ran over an ant.
seriously dude it could be anything.
you need to run the codes im not going to tell you how because its annoying go to www.thirdgen.org. they will tell you how to run the codes and what they are.
Registered User
Joined: Mar 2003
Posts: 1,240
From: Markham, ON
Re: Service Engine Soon
because im a nice guy, this is copied off the bottom of the faq section on tgo
Q: How can I display the error codes from a Service Engine Light?
A: If your car does not have the 12 pin DLC connector, you may not be able to manually "flash" your trouble codes. The language "may be possible" appears to suggest that this method should work with most, if not all, 12 pin DLC equipped cars.
THE CONNECTOR
-----------------------
| 1 2 3 4 5 6 |
| 7 8 9 10 11 12 |
-----------------------
DISPLAYING THE TROUBLE CODES
Run a wire/hairpin from Pin 6 to Pin 12 with the ignition off (although on later cars it should be from Pin 5 to Pin 6), then turning the ignition to the on position without starting the engine will flash the "Service Engine Soon" light in the following sequence: flash, pause, flash-flash, long pause flash, pause, flash-flash, long pause flash, pause, flash-flash, long pause Following this "12" code repeating three times will come any trouble codes stored, flashing each of them three times. If you do not see the "12" flash three times, your diagnostic circuit is defective.
Some vehicles will display stored trouble codes, then "12" again, followed by energizing "most system controlled relays." The fuel pump relay will not energize. The idle air control valve will fully extend to enable checking minimum idle speed.
CLEARING THE TROUBLE CODES
Turn the keyswitch to the off position. To clear any trouble codes, disconnect the power feed for 30 seconds. If this is done at the battery, and your car stereo is equipped and programmed with a four digit pin code, you may have to re-enter that as well to use your stereo again. A better place to remove power is at the fuse.
Find out what code it is and well go from there. Does your car run fine? I think the egr is intermittent when it starts going off, and that code isnt a big deal.
Q: How can I display the error codes from a Service Engine Light?
A: If your car does not have the 12 pin DLC connector, you may not be able to manually "flash" your trouble codes. The language "may be possible" appears to suggest that this method should work with most, if not all, 12 pin DLC equipped cars.
THE CONNECTOR
-----------------------
| 1 2 3 4 5 6 |
| 7 8 9 10 11 12 |
-----------------------
DISPLAYING THE TROUBLE CODES
Run a wire/hairpin from Pin 6 to Pin 12 with the ignition off (although on later cars it should be from Pin 5 to Pin 6), then turning the ignition to the on position without starting the engine will flash the "Service Engine Soon" light in the following sequence: flash, pause, flash-flash, long pause flash, pause, flash-flash, long pause flash, pause, flash-flash, long pause Following this "12" code repeating three times will come any trouble codes stored, flashing each of them three times. If you do not see the "12" flash three times, your diagnostic circuit is defective.
Some vehicles will display stored trouble codes, then "12" again, followed by energizing "most system controlled relays." The fuel pump relay will not energize. The idle air control valve will fully extend to enable checking minimum idle speed.
CLEARING THE TROUBLE CODES
Turn the keyswitch to the off position. To clear any trouble codes, disconnect the power feed for 30 seconds. If this is done at the battery, and your car stereo is equipped and programmed with a four digit pin code, you may have to re-enter that as well to use your stereo again. A better place to remove power is at the fuse.
Find out what code it is and well go from there. Does your car run fine? I think the egr is intermittent when it starts going off, and that code isnt a big deal.
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