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

Discussion summary

YOUR RESEARCHdown on power

Leading reported evidence

Check first

Performed · outcome unconfirmed

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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 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 · Original poster

mechanic told me the cam solenoid predominantly sticks in the upper revs, so you get lumpy idle rough running but ok after 5k revs, this was the opposite hence why the MAF was checked first, replaced, and now she runs like a rocketship

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

Read captured replies

1 matching discussions · 8 captured posts examined · 0 partial discussions

Compare 4 other evidence results

Replace mass air flow sensor

Performed · outcome unconfirmed

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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 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 · Original poster

was the MAF sensor, they replaced it there and then - apparently they are averaging 2 a week at the moment (is a problem with boxsters too)

down on power

Reset ecu by removing the battery cable

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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

Try and reset the ecu by removing the battery cable for 20 min then driving it hard somewhere and then see how it is.

down on power

Run but ok

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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

mechanic told me the cam solenoid predominantly sticks in the upper revs, so you get lumpy idle rough running but ok after 5k revs, this was the opposite hence why the MAF was checked first, replaced, and now she runs like a rocketship

down on power

Test minute ago and was averaging 8 secs

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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

also did some (very rough) drag testing a minute ago and was averaging 8 secs to 60!!!!!

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Frequently discussed actions (5)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Check first

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 · Original poster

mechanic told me the cam solenoid predominantly sticks in the upper revs, so you get lumpy idle rough running but ok after 5k revs, this was the opposite hence why the MAF was checked first, replaced, and now she runs like a rocketship

down on power

Replace mass air flow sensor

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 · Original poster

was the MAF sensor, they replaced it there and then - apparently they are averaging 2 a week at the moment (is a problem with boxsters too)

down on power

Reset ecu by removing the battery cable

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

Try and reset the ecu by removing the battery cable for 20 min then driving it hard somewhere and then see how it is.

down on power

Run but ok

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

mechanic told me the cam solenoid predominantly sticks in the upper revs, so you get lumpy idle rough running but ok after 5k revs, this was the opposite hence why the MAF was checked first, replaced, and now she runs like a rocketship

down on power

Test minute ago and was averaging 8 secs

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

also did some (very rough) drag testing a minute ago and was averaging 8 secs to 60!!!!!

down on power
Coverage and how to read this overview

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.

8 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: 20261027T025149Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

just traded my 96 993 for a 99 996, absolutely love the new car....but....is definitely lacking oomph. at first thought this was just different torque curves between the 2 cars but the 996 is just not as quick as the 993 it replaced - now I KNOW this is not how it should be and there must be something wrong. This is compounded by some hesitation at WOT after 5500 rpm along with the car alsmost feeling as if it doesn't have any more power after 5000 revs - at this point the car should be accelerating hardest (varioram) also did some (very rough) drag testing a minute ago and was averaging 8 secs to 60!!!!! - it gets even more noticeable as the speed increases so what could be wrong? have done a search and is still inconclusive... MAF meter?? Varioram??? any thoughts?? am going back to the dealer with her tomorrow but always find best to be forearmed with what this could be and how it should be fixed - this forum always seems to help me out there...

POST 2Original post

that hesitation usually is indicative of the maf after reading the other posts. Try and reset the ecu by removing the battery cable for 20 min then driving it hard somewhere and then see how it is.

POST 3Original post

Just so you dont look like a dope going into the dealership, you dont have varioram.....

POST 4Original post

sounds like a variocam problem. Like the higher RPM function is not altering cam timing.. Let us know what you find..

POST 5 / ORIGINAL POSTEROriginal post

on way to dealer now....yep know now its variocam not varioram (thats what they called it on the 993 hence the mix up)...I'm thinking its the variocam solenoid from my tireless research - lets see what they say..

POST 6Original post

I had a faulty cam sensor which caused exactly what you described. Had it replaced and all was cool after that . The car felt quite flat and lacking the powe it should have had.

POST 7Original post

Did a code show due to the faulty cam sensor? Where is that located? Sometimes I think the car hesitates before lauching.

POST 8 / ORIGINAL POSTEROriginal post

was the MAF sensor, they replaced it there and then - apparently they are averaging 2 a week at the moment (is a problem with boxsters too) mechanic told me the cam solenoid predominantly sticks in the upper revs, so you get lumpy idle rough running but ok after 5k revs, this was the opposite hence why the MAF was checked first, replaced, and now she runs like a rocketship cheers

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