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Old 11-01-2008, 12:44 PM   #1
01SL1SATURN
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2001 SL
Default Urgent question

I'm in the process of cleaning my throttle body. When looking into the component that the throttle body connects to (don't know its name) I can see piles of carbon dust in there. Is it wise just to ignore it or can I clean it out somehow. I can literally see a desert of carbon in there.

If so, what is the best way to get all that stuff out? Thanks.

...
2001 Saturn SL 5 speed -- 131,000 miles
Slush boxes..... taking the fun out of driving since 1950!

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Old 11-01-2008, 01:03 PM   #2
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1998 SC2
Default Re: Urgent question

It is probably black goo and not nice neat carbon dust. It is a byproduct of the PCV system and the EGR. Cleaning requires removal of the intake (that is what its called) and having it boiled out. Not a Saturday afternoon task. Wipe off what you can about an inch deep max.

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Old 11-01-2008, 04:42 PM   #3
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Default Re: Urgent question

Yup, that's the intake manifold, and you'll never get it clean without removing it from the engine. Don't worry about it.

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Old 11-01-2008, 04:43 PM   #4
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2001 SL
Default Re: Urgent question

Thanks oldnuc,

You were correct, it was sticky tar stuff.

So today I cleaned my throttle body....it didn't have too much carbon in it, but it did feel a tad sticky when opening and closing it.

I also replaced my ECTS. I pulled out the old sensor and coolant did come out, despite the fact I equalized the pressure in the system and jacked up the driver's side. I think I will be ordering a new coolant cap. I don't think it is sealing, which may explain some residual coolant loss. I think it may be evaporating/boiling out while driving.

Well, my old ECTS was a ceramic old style and it did have a little crack going lengthwise around. The new brass one is installed. Unplugging the wires from it took me half an hour. It was real tough. I used that sealant tape so all should be ok.

I herded up the cat and dog away from the garage, so I just have to clean the little coolant spill. Then I will test the car. Hope I did everything right.

Thanks to all on this great board for the help and richpin for the videos. Extremely helpful.

I will provide updates as to whether or not my temp gauge goes a little above the 3/8 mark now...and hopefully my mpg will go up as well.

Cheers

P.S - for the record my Saturn was assembled Jan 01 so it seems the early 2001 Saturns have the old ECTS.

...
2001 Saturn SL 5 speed -- 131,000 miles
Slush boxes..... taking the fun out of driving since 1950!

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Old 11-01-2008, 04:55 PM   #5
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Default Re: Urgent question

I got too antsy. I just started it up to move my car. It started up and there are no leaks or anything abnormal.

Then I got back in my car and noticed my Service Engine Soon lamp is on. Is it because I was listening to the radio while working on my car? I assume it is complaining about the ECTS or ECTS wires.

The connector was not corroded...it looked clean when I removed it. Is it possible it got a little coolant on it when the coolant came out and it is just wet?

Is it still ok to drive the car until the issue is resolved?

...
2001 Saturn SL 5 speed -- 131,000 miles
Slush boxes..... taking the fun out of driving since 1950!

Last edited by 01SL1SATURN; 11-01-2008 at 05:05 PM..

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Old 11-01-2008, 05:16 PM   #6
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1996 SL2
Default Re: Urgent question

Did you reset the computer by disconnecting the battery for a few mins?

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Old 11-01-2008, 05:52 PM   #7
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Default Re: Urgent question

Well, I ran to the grocery store a few minutes ago...

When I started my car after getting groceries the SES light did not come on. Almost seems like the computer wanted to adjust to the new ects.

All is good now. Just have to keep an eye out for any leaks.

...
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Old 11-01-2008, 06:03 PM   #8
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1998 SC2
Default Re: Urgent question

When condition goes away, the PCM turns off the light.

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Old 11-01-2008, 06:21 PM   #9
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2001 SL
Default Re: Urgent question

That's what I figured. Hopefully it doesn't come back...

I am going on a 100+ mile back and forth drive to my cousin's so I will report on what the temp gauge reads. It was just at the 1/4 before, but my car didn't get a chance to get fully warmed.

...
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Old 11-01-2008, 11:14 PM   #10
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1999 SL2
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Default Re: Urgent question

If the Service Engine Soon light comes back on, don't be terribly concerned as long as it isn't flashing and the car is running OK. Just get the codes read and report back here. Some places will read them for free. Since the light just came on there will be at least one code stored so even if it doesn't come back on it would be good to know what it was and reset it.

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Old 11-02-2008, 10:57 AM   #11
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Default Re: Urgent question

Did you start the car with the ECTS connector off? That could possibly throw an error code. It might take the computer some time to reset the light.

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