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85 Brat EGR light always on!


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16 replies to this topic

#1 GeneralDisorder

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Posted 02 October 2003 - 06:28 PM

Ever since I bought my Brat the EGR light has been on constantly. Now I'm guessing that it's probably cause the EGR isn't functioning (just guessing). The light is on SOLID all the time. Never goes out - never flashes. What I'm wondering is how this marvelous light works? I looked at the EGR - made funny faces, contorted myself into the engine compartment tracing vacuum lines.... and for the life of me, I can't figure out how the light comes on. What sensor does this job? As far as I can see there is no wires going into anything related to the EGR, or the anti-backfire solenoid. I suppose I could just replace the EGR, but I'm one of those people who has to know WHY, and HOW it works before I touch it. Am I just crazy?

GD

#2 gbianchi

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Posted 02 October 2003 - 06:41 PM

Can' say for sure that its this but some Subees have a circut under the dash that after say 60,000 miles the egr light lights to remind the user to have that system checked. There is a plug under the dash and you would undo it from where its pluged and replug it to another and that resets the light, sorry I can't give more specific info but its been along time since I was under the dash of that specific breed.:cornfuzz:

#3 GeneralDisorder

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Posted 02 October 2003 - 06:45 PM

Now that is a very interesting answer - where would I find more info along these lines? Anyone know if / where I can find these plugs?

...... but you have three Brat's in your sig... do you not own them anymore?

GD

#4 Skip

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Posted 02 October 2003 - 07:00 PM

GD, just did this to one of my 86 Brats
The connectors are to the inside of the vehicle and above the fuse box.
Pull the trim panel down.
The connectors are green and blue.
On mine I separated the green to green and replaced one with the proper match blue.
She be out, and yes, gb is correct it is triggered by a mileage timer.
Hope this helps

#5 GeneralDisorder

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Posted 02 October 2003 - 07:10 PM

Now that information really should be in the repair manual. If we were still on the old board, I would archive this one. My silly underwear manual says nothing about this little gem.

THANKS SKIP!

GD

#6 Qman

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Posted 02 October 2003 - 07:16 PM

Good job Skipper!!

There is a small odometer behind the speedo that controls the light. After 60,000 miles it trips the switch, if you will. When I installed the '82 dash I was able to check it out.

#7 GeneralDisorder

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Posted 02 October 2003 - 07:29 PM

Guess that shows how many times my poor Brat has been serviced. I just went out and fixed it.... YAY! I guess this isn't a big topic since most of them have already been reset. I was thinking it was a recuring type of light - comming on EVERY 60,000. Kindof strange that they would only have it come on once. This is a difference between the 82+ dash and the 80/81 dash - I just verified that the 80 dash I have does NOT have an EGR light at all. Interesting....

GD

#8 asavage

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Posted 02 October 2003 - 10:45 PM

GD, IIRC, that light isn't to remind you to replace the EGR valve, it's to remind you to remove and clean it (but I can't recall for sure). And as much of the passage behind it as you can reach. I find a coathanger is sometimes handy.

Helps to keep the pinging to a minimum.

#9 GeneralDisorder

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Posted 02 October 2003 - 10:54 PM

Huh - you can do that? I thought you just replaced them. I guess I'll try that tho - can't hurt.

My opinion of the former owner has sunk to a new low. That light has been on solid for 67,000 miles, and they did nothing about it. Amazing.

GD

#10 Flowmastered87GL

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Posted 03 October 2003 - 02:49 AM

I bet the one in my 87 GL was on longer... if they do indeed come on at 60K, then the previous owner (I belive the 2nd owner) had it on there from 60K all the way to 215K (when I bought the car)

When I got it, it still had the black tape residue, but the dealer had fixed the light.

If they DO re-occur.... then my light is ready to come on somewhere near 275,900 miles

#11 GeneralDisorder

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Posted 03 October 2003 - 02:53 AM

Yours could be a lot different. On the EA81's you change the connector permanently, so it can't come back. It's a one time deal. Yours might - I don't know.

GD

#12 Flowmastered87GL

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Posted 03 October 2003 - 02:56 AM

I guess we'll find out once I start delivering pizzas and rack up the mileage. 300K here I come :D

#13 Nug

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Posted 03 October 2003 - 08:29 AM

There are many different cars that have lights come on w/ timers. I'm reminded of 80's Dodge pickups, a Geo Tracker, and the O2 sensor light in my Jag goes out with the touch of a button (which is located in the trunk, along with the computer).

#14 GeneralDisorder

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Posted 03 October 2003 - 02:12 PM

Oh - I knew that - I had a Volvo 850 turbo that had a service light that came on every 5,000 miles. Only way to turn it off is to get the dealer to do it, or buy a $300 ODBII scan tool that knows about the proprietary Volvo codes. That's one of the small reasons I got rid of that peice of crap, and a big reason I wouldn't buy another one.

GD

#15 asavage

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Posted 03 October 2003 - 08:14 PM

Originally posted by GeneralDisorder
I had a Volvo 850 turbo that had a service light that came on every 5,000 miles. Only way to turn it off is to get the dealer to do it, or buy a $300 ODBII scan tool . . .

There is a reset procedure for that Service light on the 850 Volvo, that can be performed without any special tools. It's involved but not impossible. I've got it in a reference manual somewhere, but the procedure may be the same as Mr. Barron's post. It's similar, at least (I recall reading the procedure and shaking my head).

#16 ShawnW

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Posted 04 October 2003 - 02:42 AM

The ea81 EGR light is recurring if you plug the connectors back in after resetting it.

#17 clantieri

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Posted 04 October 2003 - 07:59 AM

What years/models of the ea-81 had that light? I remember a "ECS" light on my 83 2WD wagon, not EGR, though.

Chris




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