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10 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
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Set auto control

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Suggestion

Also, using max AC cooling in city driving (with top down), the power drain on the 2.5L from the compressor load was dramatic; so much so that I would set the auto control to the highest temp that would keep me fairly comfortable, in order to limit the engine power loss.

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Leading evidence: 'Set auto control' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Set auto control' (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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Set auto control

No successful repair reported for this finding.

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Reported fixes
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Unsuccessful attempts
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Read evidence and context
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

Also, using max AC cooling in city driving (with top down), the power drain on the 2.5L from the compressor load was dramatic; so much so that I would set the auto control to the highest temp that would keep me fairly comfortable, in order to limit the engine power loss.

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10 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • Rennlist: 1 discussions

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Generation: 20261027T035758Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Does the A/C Compressor on the '02 996 cut out on full throttle acceleration of remain engaged??? Just curious.....

POST 3Original post

Well, unless things have changed my 99's owner's manual says the AC compressor "...can switch off briefly if engine is under an extreme load to ensure sufficient engine cooling..." I would think, but I could be wrong that full throttle is an "extreme load"... Jim

POST 4Original post

At times A/C can cut out if the car is driven hard and is on the threashold of overheating. It should not however do it consistantly at full throttle.

POST 6Original post

The compressor on my 2.5L Boxster definitely cut off during full throttle acceleration, such as a 50mph to 80mph pass of a truck. You could immediately feel the change in humidity. Very noticable. Also, using max AC cooling in city driving (with top down), the power drain on the 2.5L from the compressor load was dramatic; so much so that I would set the auto control to the highest temp that would keep me fairly comfortable, in order to limit the engine power loss. On my 3.4L, the power drain is minimal, almost imperceptible. Haven't noticed the 996 compressor cut off during acceleration, but that is probably due to the 3.4L having to not work so hard from 50-80mph. My guess is that it would shut off during a 0- 100mph full throttle run.

POST 7Original post

At the Porsche Driving Experience, I never had any issues with the compressor cutting out on me despite lap after lap of extreme conditions...just wanted to add that FWIW

POST 8Original post

Must not have been driving hard...... See you tomorrow morning?

POST 9Original post

I will get that "just turned the AC off" smell in my car after spirited driving. It is very short term, and appears to come up after bringing the car over 4.5k rpms. It is just a quick smell, then it's over. It can happen at every stop light if I'm in the mood to push the car.

POST 10Original post

Sounds like you may have mold in your ventilation system.

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