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  #1  
Old 01-28-2011, 07:13 PM
Heli-Mech Heli-Mech is offline
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Checking CELS and the light is on solid?

After my alternator shorted out I swapped on a replacement and it is running fine again, this alt only puts out 13.4v. I went for a test drive and had the CEL come on.

-I grounded the CEL wire, and instead of blinking a code it stays on steady??

-I shut the car off, started it back up and no more CEL?

-check for codes again and the light stays on steady?

Strange....

any ideas?

Last edited by Heli-Mech; 01-28-2011 at 07:18 PM.
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  #2  
Old 01-28-2011, 08:21 PM
Heli-Mech Heli-Mech is offline
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Re: Checking CELS and the light is on solid?

swapped out the ecu for my spare. The ecu is damaged. Must have been a short in the wiring, either in the alternator or the harness i made for the fan. Either way the ecu is cooked, car will run and drive fine on it but not throw or show any codes.
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  #3  
Old 01-28-2011, 09:07 PM
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Sean486 Sean486 is offline
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Re: Checking CELS and the light is on solid?

Ian,
Did that ECU arrive yet?
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Old 01-28-2011, 09:39 PM
Heli-Mech Heli-Mech is offline
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Re: Checking CELS and the light is on solid?

Yeah got it today. Works perfect. Thanks.

Now I don't think the ecu was the problem.
I just drove the car home from work, and it did the same thing. CEL came on after driving out onto the highway. Checked the codes and I am getting a code 55. Not sure what code 55 is, I am looking it up right now.
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Old 01-28-2011, 10:13 PM
North Ursalia North Ursalia is offline
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Re: Checking CELS and the light is on solid?

EGR gas temp sensor from the list of codes I have
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  #6  
Old 01-29-2011, 08:37 AM
Heli-Mech Heli-Mech is offline
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Re: Checking CELS and the light is on solid?

Where is the Egr temp sensor located? Was that a California only option?
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  #7  
Old 01-29-2011, 03:44 PM
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icingdeath88 icingdeath88 is offline
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Re: Checking CELS and the light is on solid?

Nope, all the US SVXes had EGRs, the California spec ones just actually check that it's working or something like that.
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Old 01-29-2011, 04:30 PM
oab_au oab_au is offline
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Re: Checking CELS and the light is on solid?

Quote:
Originally Posted by Heli-Mech View Post
Where is the Egr temp sensor located? Was that a California only option?
It is on the right rear of the inlet manfold. I don't know the US models, but I think some have it, some don't.

Harvey.
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Old 01-31-2011, 05:06 AM
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b3lha b3lha is offline
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Re: Checking CELS and the light is on solid?

IIRC, in 1992 the california cars had a different EGR setup to the other USDM cars. There's a wire on the ECU harness that you ground to tell the ECU to use "california mode" instead of "49-states mode".

But after 93 they fitted all USDM cars with the california setup. I think you can still switch the later cars into "49-states mode" by disconnecting the california wire.
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  #10  
Old 01-31-2011, 01:34 PM
1986nate 1986nate is offline
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Re: Checking CELS and the light is on solid?

Quote:
Originally Posted by b3lha View Post
IIRC, in 1992 the california cars had a different EGR setup to the other USDM cars. There's a wire on the ECU harness that you ground to tell the ECU to use "california mode" instead of "49-states mode".

But after 93 they fitted all USDM cars with the california setup. I think you can still switch the later cars into "49-states mode" by disconnecting the california wire.
Good to know. If I get a chance, I'll check it out on one of my 94's... Don't know if that will happen as I'm busy today and the big blizzard is going to be rolling through here tomorrow
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