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Search took 0.01 seconds. Search: Posts Made By: GeorgeH
Forum: Tech Help 07-06-2007, 12:15 PM
Replies: 31
Views: 4,918
Posted By GeorgeH
In this case, this guy is on one of the younger...

In this case, this guy is on one of the younger ones. He's second generation. His dad was also a MB mechanic... and sounds like the type you're referring to. Being Silicon Valley, I don't think he's...
Forum: Tech Help 07-06-2007, 11:53 AM
Replies: 31
Views: 4,918
Posted By GeorgeH
Thanks... If it's that simple... I'll stop by the...

Thanks... If it's that simple... I'll stop by the dealer and ask them to do it.

Please bear with me... I'm an engineer and need to understand (and I'm curious by nature)... what are we looking for...
Forum: Tech Help 07-06-2007, 11:30 AM
Replies: 31
Views: 4,918
Posted By GeorgeH
I agree that he should be able to fix my car. If...

I agree that he should be able to fix my car. If there is a complaint about him, it is that he doesn't seem able to use traditional methods for fixing engines. For example, I've asked about using a...
Forum: Tech Help 07-06-2007, 10:35 AM
Replies: 31
Views: 4,918
Posted By GeorgeH
I'll go to Radio Shack and get the parts for...

I'll go to Radio Shack and get the parts for building the code reader, but I have to tell you that I trust the mechanic who I've been working with and have a great working relationship with him....
Forum: Tech Help 07-05-2007, 11:56 PM
Replies: 31
Views: 4,918
Posted By GeorgeH
Ahhh.... of course. This problem started before...

Ahhh.... of course. This problem started before my 60K service. At that time, the spark plugs were replaced. Since then, I replaced the spark plug wires, rotor and distributor cap. About 4 months ago...
Forum: Tech Help 07-05-2007, 10:55 PM
Replies: 31
Views: 4,918
Posted By GeorgeH
I just came back from testing the fuel pressure...

I just came back from testing the fuel pressure regulator. It makes no difference with the idle with or without the hose connected. (And plugged when taken off.) As for the codes, I have no way of...
Forum: Tech Help 07-05-2007, 06:16 PM
Replies: 31
Views: 4,918
Posted By GeorgeH
When reading of the air temp sensor was the same...

When reading of the air temp sensor was the same before and after the air cleaner was removed, and it did not vary... so I don't think it was the cause. I have a sense that the air flow meter is just...
Forum: Tech Help 07-05-2007, 05:26 PM
Replies: 31
Views: 4,918
Posted By GeorgeH
The mechanic looked at the reading of the temp...

The mechanic looked at the reading of the temp sensor. It correct and not varying. As for the codes... I looked over the shoulder of the mechanic when he went through the screens for the diag tool......
Forum: Tech Help 07-05-2007, 04:08 PM
Replies: 31
Views: 4,918
Posted By GeorgeH
Sorry... I can't seem to find a reference for the...

Sorry... I can't seem to find a reference for the LH sensor in the shop manual on AllData.... is it called another name?
Forum: Tech Help 07-05-2007, 09:57 AM
Replies: 31
Views: 4,918
Posted By GeorgeH
Thanks.... I'll check it today. The mechanic...

Thanks.... I'll check it today.

The mechanic had started checking the vacuum hoses in the manifold area, but when he removed the air filter assembly and exposed the air flow meter, any sort of...
Forum: Tech Help 07-04-2007, 09:24 PM
Replies: 31
Views: 4,918
Posted By GeorgeH
Sorry... I really wasn't blowing it off... I was...

Sorry... I really wasn't blowing it off... I was just trying to understand how it could cause the problem. Thanks for the explanation.

I just went out to check it and I don't see any gas coming...
Forum: Tech Help 07-04-2007, 07:39 PM
Replies: 31
Views: 4,918
Posted By GeorgeH
In addition to doing a 60K maintenance, which...

In addition to doing a 60K maintenance, which replaces the filters and plugs, I had the throttle body replaced as well. The engine computer was also swapped to see if it was a problem. As far as the...
Forum: Tech Help 07-04-2007, 04:47 PM
Replies: 31
Views: 4,918
Posted By GeorgeH
There are no codes being stored. I wish it were...

There are no codes being stored. I wish it were storing codes, as that would help tons. He swapped out the air flow meter (at now charge) and it made no difference. He's monitored the engine while...
Forum: Tech Help 07-04-2007, 11:42 AM
Replies: 31
Views: 4,918
Posted By GeorgeH
94 SL500 Rough Idle

I've been having this rough idle problem with my car for over a year now. I've spent thousands of dollars with my dealer trying to get it fixed, with no success. They've checked and replaced...
Forum: Tech Help 06-18-2007, 03:04 PM
Replies: 9
Views: 1,363
Posted By GeorgeH
Is anyone able to tell me if this is normal...

Is anyone able to tell me if this is normal behavior? Thanks!
Forum: Tech Help 06-17-2007, 03:25 PM
Replies: 9
Views: 1,363
Posted By GeorgeH
Thanks for suggestion. After thinking about it...

Thanks for suggestion. After thinking about it further, I don't understand how that can cause a rough idle. The pressure in the fuel line should be constant and the injectors would seem to determine...
Forum: Tech Help 06-17-2007, 12:24 PM
Replies: 9
Views: 1,363
Posted By GeorgeH
The mechanic did inspect all of the vacuum hoses...

The mechanic did inspect all of the vacuum hoses and didn't find a leak. I don't think I understand the role of the fuel pressure regular leaking. Do you mean that is can cause a rough idle? (The...
Forum: Tech Help 06-17-2007, 11:41 AM
Replies: 9
Views: 1,363
Posted By GeorgeH
Ooops... I thought it was in my signature. I...

Ooops... I thought it was in my signature. I updated my message. Thanks!
Forum: Tech Help 06-17-2007, 09:45 AM
Replies: 9
Views: 1,363
Posted By GeorgeH
Rougher Idle with air cleaner removed

I have been chasing a rough idle problem with my 1994 SL500 for almost a year now. As recommended by a few folks here, the intake manifold gasket was checked by spraying something non-flammable...
Forum: Tech Help 04-20-2007, 02:31 AM
Replies: 3
Views: 940
Posted By GeorgeH
I've asked my dealer to do this numerous times,...

I've asked my dealer to do this numerous times, but their scope is broken. That really surprised me. Is this a commonly used piece of test equipment these days?
Forum: Tech Help 04-19-2007, 11:31 AM
Replies: 3
Views: 940
Posted By GeorgeH
Suggestions Needed - Rough Idle

I've been burning a ton of cash trying to fix a rough idle problem on the 1994 SL500. I've replaced everything from enginer mounts to throttle bodies to distributor caps and ignition wires. The...
Forum: Mercedes-Benz SL Discussion Forum 04-11-2007, 04:02 PM
Replies: 777
Views: 128,928
Posted By GeorgeH
My MB mechanic seemed to hint that pre-1996 MBs...

My MB mechanic seemed to hint that pre-1996 MBs were more reliable as well. It wasn't due to mechanical issues, but rather electrical. (As an example, the transmissions went computerized in 1996.)
Forum: Tech Help 04-07-2007, 10:24 AM
Replies: 36
Views: 9,106
Posted By GeorgeH
It's 4 months later and I'm still having the...

It's 4 months later and I'm still having the problem. What has been checked lately has been for manifold leaks... sprayed around the intake manifold, no difference noted. Checked for vacuum leaks,...
Forum: Tech Help 04-05-2007, 01:39 AM
Replies: 5
Views: 1,924
Posted By GeorgeH
I was just at the dealer today and they had a...

I was just at the dealer today and they had a S600 surging as well. It turned out to be the secondary fuel pump. (It also acted up when driving on the highway.)
Forum: Tech Help 04-03-2007, 01:35 PM
Replies: 5
Views: 1,924
Posted By GeorgeH
I had a similar sounding problem on my 94 SL500....

I had a similar sounding problem on my 94 SL500. It turned out the be the throttle body assembly. (There was a code logged, but no enginer light.) They replaced it, but I believed after seeing the...
Forum: Tech Help 12-04-2006, 02:28 PM
Replies: 36
Views: 9,106
Posted By GeorgeH
I checked the intake manifold using the suggested...

I checked the intake manifold using the suggested technique and found it made no difference. I'd like to check the EGR valve. I do notice it's leaking oil around it. Other than replacing it, how do I...
Forum: Tech Help 11-26-2006, 11:23 AM
Replies: 36
Views: 9,106
Posted By GeorgeH
I did a bit of reading of the links that were...

I did a bit of reading of the links that were referred to... wow, there are quite a few rough idle problems.

Last night was a chiily night and the problem showed up even worse. I did notice that...
Forum: Mercedes-Benz SL Discussion Forum 11-25-2006, 02:21 PM
Replies: 5
Views: 1,329
Posted By GeorgeH
I have a 94 SL500... and they are definitely...

I have a 94 SL500... and they are definitely glass. Why do you want to cut them off?
Forum: Tech Help 11-25-2006, 10:49 AM
Replies: 36
Views: 9,106
Posted By GeorgeH
Sounds like a very likely scenario. I'll check...

Sounds like a very likely scenario. I'll check it. Do I need to remove the air cleaner assembly to get to all the surfaces?
Forum: Tech Help 11-24-2006, 03:32 PM
Replies: 36
Views: 9,106
Posted By GeorgeH
The idle speed seems to vary very little, but I...

The idle speed seems to vary very little, but I feel a miss. (It's a tad under 500 rpm.) It does not seem to do it immediately upon going to idle, but after 10 secs or so. When it's cold or damp and...
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