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Cold - Starting with 5W40

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4 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

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YOUR RESEARCHCold - Starting with 5W40

Leading reported evidence

Run car in the mid-west in temps down close

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Performed · outcome unconfirmed

Ran the car in the mid-west in temps down close to 0 degs F.

Original post Read captured discussion
Cold - Starting with 5W40
Frequently discussed work

Recommend temp

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Suggestion · Original poster

And is that recommendation purely for starting, or for use in general, eg, if the car's sitting in a garage that'd be around 40degF at the coldest, and I allow it to warm in the garage, am I in the clear for use if the outside temperature below the recommended temp?

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Cold - Starting with 5W40
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Leading evidence: 'Run car in the mid-west in temps down close' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Recommend temp' (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.

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Compare 3 other evidence results

Run mobil 1 15w-50 oil

Performed · outcome unconfirmed

No successful repair reported for this finding.

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Unsuccessful attempts
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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 performed work without a confirmed outcome
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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.

Performed · outcome unconfirmed

I ran Mobil 1 15w-50 oil for 2 years after I bought my 02 Boxster cause Mobil 1 0w-40 was not available here yet.

Original post Read captured discussion
Cold - Starting with 5W40

Recommend temp

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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
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0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

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Suggestion · Original poster

And is that recommendation purely for starting, or for use in general, eg, if the car's sitting in a garage that'd be around 40degF at the coldest, and I allow it to warm in the garage, am I in the clear for use if the outside temperature below the recommended temp?

Original post Read captured discussion
Cold - Starting with 5W40

Use 5w40 oil

Suggestion or failed attempt

No successful repair reported for this finding.

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Reported fixes
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Unsuccessful attempts
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Discussions
Read evidence and context

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

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 · Original poster

What is the temperature recommendation for Cold temperatures when using a 5W40 oil?

Original post Read captured discussion
Cold - Starting with 5W40
Frequently discussed actions (4)

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Recommend temp

No successful repair reported for this finding.

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Read evidence and context
Discussions that contain suggestions
1

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 · Original poster

And is that recommendation purely for starting, or for use in general, eg, if the car's sitting in a garage that'd be around 40degF at the coldest, and I allow it to warm in the garage, am I in the clear for use if the outside temperature below the recommended temp?

Original post Read captured discussion
Cold - Starting with 5W40

Run car in the mid-west in temps down close

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
1

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.

Performed · outcome unconfirmed

Ran the car in the mid-west in temps down close to 0 degs F.

Original post Read captured discussion
Cold - Starting with 5W40

Run mobil 1 15w-50 oil

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
1

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.

Performed · outcome unconfirmed

I ran Mobil 1 15w-50 oil for 2 years after I bought my 02 Boxster cause Mobil 1 0w-40 was not available here yet.

Original post Read captured discussion
Cold - Starting with 5W40

Use 5w40 oil

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

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 · Original poster

What is the temperature recommendation for Cold temperatures when using a 5W40 oil?

Original post Read captured discussion
Cold - Starting with 5W40
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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: 20261026T205155Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

What is the temperature recommendation for Cold temperatures when using a 5W40 oil? (specifically Motul 5W40 Xcess). And is that recommendation purely for starting, or for use in general, eg, if the car's sitting in a garage that'd be around 40degF at the coldest, and I allow it to warm in the garage, am I in the clear for use if the outside temperature below the recommended temp?

POST 3Original post

They couldn't have done a broader gradient on that graph? I mean it's nothing to complain about but from that graph it looks like 50 degrees Fahrenheit is pretty hot. I'm an engineer leave me to my idiosyncrasies.

POST 4Original post

Quotes source post: 7148411

Oil's ok. I ran Mobil 1 15w-50 oil for 2 years after I bought my 02 Boxster cause Mobil 1 0w-40 was not available here yet. Ran the car in the mid-west in temps down close to 0 degs F. While car spent most nights in garage (above freezing) it would sit out in cold at work or when I was traveling and parked it outside at night in the cold of nortern Michigan for instance. When 0w-40 became available I switched to that then after 180K or more miles switched to Mobil 1 10w-40 "high mileage" oil. (Car has over 226K miles on it now.) Car sees all kinds of ambient temperatures from highs around 100F (or a bit hotter -- 116F in southern AZ one July road trip) to near 0F temps when I stop overnight at William or Flagstaff AZ on winter road trips. I have started running Mobil 1 5w-50 in my 03 Turbo and it saw 16F to 19F overnight temps at Flagstaff on T-Giving week road trip. Sincerely, Macster.

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