Car barely passed emissions-- *UPDATE* Pictures and Videos - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 11-18-2007, 08:52 PM   #21
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Not sure if this will help...

Car was cold started and ran for about a Minute before the Vid..


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Old 11-18-2007, 09:17 PM   #22
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That looks similar to what I saw. I'll record one of mine and post it as well as some pictures of the plugs tomorrow night. Thanks
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Old 11-19-2007, 11:58 PM   #23
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Here are my plugs
http://i120.photobucket.com/albums/o...ictures009.jpg
http://i120.photobucket.com/albums/o...ictures012.jpg

They all look like this. One side black and the other side white (same plug)



Here are the videos




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Old 11-20-2007, 12:18 AM   #24
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That actually looks pretty good..

The Plugs look like mine do, But Mine don't get that bad... Did new plugs help it run any better?

Off Topic... what kind of scantool is that?

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Old 11-20-2007, 12:35 AM   #25
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Quote:
Originally Posted by jr's3800
That actually looks pretty good..

The Plugs look like mine do, But Mine don't get that bad... Did new plugs help it run any better?

Off Topic... what kind of scantool is that?
My plugs have never looked like that before. Never black, even when I changed the originals at around 100K (yes that many on them lol). These plugs don't have that many miles on them at all. It'* not running any different with the new plugs and wires. Also don't forget I swapped out all the coils and the ignition modules with a used set. The 02 sensor is also new. It probably has about 500 miles on it. I cleaned the MAP sensor and the IAC along with the throttle body. I almost forgot, I also replaced the vacuum line fittings (lines look good).

That'* an Actron 9190. It also will record and you and down load all the info too. paid 250 for it after rebate a few months back.
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Old 11-20-2007, 08:41 AM   #26
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I am curious as to whats going on with your car... But have no more thoughts at the moment.. Kind of baffled really...hmmmmm...

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Old 11-20-2007, 07:39 PM   #27
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Car runs ok, but it does seems to run slightly rough. Almost not noticeable and nothing at all like it did when the module failed and I had no spark on coil #1/3. I was a little shocked at the report from the emissions test and how the plugs looked when I pulled them. I guess it'* worse than I thought.

I don't know what to check at this point. What ever is the cause, it is common to all cylinders.

I read that carbon build up can cause high HC level. Is there anything else for me to check or should I try to do a Sea Foam treatment? I've never done one before. If that what I should try now, what all do I need to buy to do this? and thats for all your help.
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Old 11-21-2007, 07:04 AM   #28
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Buy a can of Seafoam. Start your car and unplug your brake booster vacuum line from the master brake cylinder area. Either put the vacuum line into the Seafoam bottle or pour the liquid into the giant hose, and try to keep your car running either with some throttle (throttle body) or by holding your finger on the vacuum line. You should see a ton of white smoke out the back of your car.
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Old 01-10-2008, 08:15 PM   #29
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Sea Foam done today I also checked the compression on all cyclinders.
1-157
2-160
3-153
4-165
5-154
6-167

Any other ideas as to what can cause high HC levels?
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Old 01-10-2008, 09:54 PM   #30
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Quote:
Originally Posted by whitecrystal1
Here are my plugs
http://i120.photobucket.com/albums/o...ictures009.jpg
http://i120.photobucket.com/albums/o...ictures012.jpg

They all look like this. One side black and the other side white (same plug)



Here are the videos




What kind of unit are we looking at in these three videos? It is not the Actron 9190.
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