4 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHAdditivies
Reported or suspected cause
be smog checked
Reported cause
No successful repair reported for this finding.
1
Identified cause
0
Suspected cause
0
Reported fixes
Read evidence and context
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Discussions that report identifying a cause
1
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Reported cause
I only use it every 2 years a month or so before my car is due to be smog checked.
Leading evidence: 'be smog checked' (1 discussions report identifying this cause; no attributable repair resolution). Across 1 matching discussions, the most frequently mentioned possible cause is 'be smog checked' (1 discussions; 1 report identifying it and 0 suggest it). The most frequently discussed action is 'Lubricate properties regardless what is claimed' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.
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Discussions that performed work without a confirmed outcome
1
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Performed · outcome unconfirmed
I have used it but I can't tell any difference in quietness but I use my cars almost every day or every other day.
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Discussions that performed work without a confirmed outcome
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Performed · outcome unconfirmed
I've used both for a long time and never encountered any problems.
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Discussions that contain suggestions
1
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Suggestion
Anything else added to the oil will decrease its lubricating properties regardless what is claimed.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
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Suggestion
If you use Techron try to use it before an oil/filter service is due and when the last tank of this stuff is down to say 1/4 tank then change the oil/filter.
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Suggestion
If you use Techron try to use it before an oil/filter service is due and when the last tank of this stuff is down to say 1/4 tank then change the oil/filter.
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Suggestion
Now some techs tell me that using Swepco 502 oil treatment (which contains from an analysis I had done) 100ppm of molybdeum (micronized IIRC the description from Swepco's web site) helps to reduce the clatter these engines have upon startup, especially engines that are not started/run regularly.
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Suggestion
Really, though the best thing you can do is use the right oil, the right grade of gas and the freshest gas (premium gas goes stale), use all the right fluids and change them when they are due on either time or miles, and leave the additives on the autoparts store shelves.
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
Now some techs tell me that using Swepco 502 oil treatment (which contains from an analysis I had done) 100ppm of molybdeum (micronized IIRC the description from Swepco's web site) helps to reduce the clatter these engines have upon startup, especially engines that are not started/run regularly.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
4 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261026T090147Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Has anyone tired BG 44 products? I just purchased a "99" 996 C4 and wonder if it's something I should use (increase gas milage, cleaner, etc.)
Thanks...
No need to use any additives, with a couple of exceptions I'll cover below.
If you plan on not using the car a while consider adding some gasoline stablizer to the gas tank. I've never used it but many who have swear by Stabil.
If you want to ensure the fuel system (from tank to the injectors) and the valves/combustion chambers, even the O2 sensors and converter surfaces are as clean as they can be, use Techron, a bottle or two according to the directions on the bottle.
There is no need to Techron this often. I only use it every 2 years a month or so before my car is due to be smog checked.
If you use Techron try to use it before an oil/filter service is due and when the last tank of this stuff is down to say 1/4 tank then change the oil/filter.
Now some techs tell me that using Swepco 502 oil treatment (which contains from an analysis I had done) 100ppm of molybdeum (micronized IIRC the description from Swepco's web site) helps to reduce the clatter these engines have upon startup, especially engines that are not started/run regularly.
I have used it but I can't tell any difference in quietness but I use my cars almost every day or every other day. Up to you if you want to use this stuff.
Really, though the best thing you can do is use the right oil, the right grade of gas and the freshest gas (premium gas goes stale), use all the right fluids and change them when they are due on either time or miles, and leave the additives on the autoparts store shelves.
To ensure the best mileage, buy premium gas, keep the tires properly inflated and the junk (dead weight) out of the car.
Sincerely,
Macster.
No.
Use pump gas and good oil. Anything else added to the oil will decrease its lubricating properties regardless what is claimed. This was not true 40 years ago, but oils have dramatically changed. Add nothing to your fuel except a can of Heet occasionally in the winter to displace water from condensation.
This is a source reference. Confirm exact model applicability in the original material.
