9 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
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Discussion summary
YOUR RESEARCH2004 996 Carrera - a hesitation on light throttle
Leading reported evidence
Set speed it will do this flat spot / hesitation
Suggestion or failed attempt
No successful repair reported for this finding.
0
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0
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1
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Suggestion · Original poster
it also occurs when cruise control is set and the car starts an incline the cruise will pick up the throttle to return the car to the set speed it will do this flat spot / hesitation.
Leading evidence: 'Set speed it will do this flat spot / hesitation' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Set speed it will do this flat spot / hesitation' (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 speed it will do this flat spot / hesitation
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
it also occurs when cruise control is set and the car starts an incline the cruise will pick up the throttle to return the car to the set speed it will do this flat spot / hesitation.
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.
9 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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Generation: 20261026T172408Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Hi everyone,
This car is new to me I'm still in the revealing process. 2004 manual 2WD Carrera with 117K. A recent engine refresh (4,000km ago)
What I'm finding is once the engine is warm and you pick up the throttle (either from off throttle or slight throttle maintaining speed) slightly to perhaps add 3-5kph the car will, 70% of the time, have a hesitation. There's no sound / knock or anything. Hesitation or flat spot. I wouldn't call it a miss. I also don't think it is drive train slap.
it also occurs when cruise control is set and the car starts an incline the cruise will pick up the throttle to return the car to the set speed it will do this flat spot / hesitation.
Any ideas? All I've got is throwing a bottle of redline fuel cleaner through it.
Cheers
Justin (Sydney, AU)
In the 3.6, there is a variocam hesitation at ~3k rpm. Just a quirk of the system. Google porsche 996 variocam hesitation and you will find plenty of info.
This sounds like vacuum leak. My car (99 C2) did the same thing once when the mechanic left on of the air boots between the plenum and head off center a bit.
In Australia I always use 98 RON. Not sure how that compares to other countries but it is the highest rated pump fuel available.
Sparkies - 2023 - around 5,000km ago (Previous owner)
Thanks - I'll note that as wasn't aware.
I think I'm feeling it anywhere from 1200-2500. Today was its first major squirt (for me) and there was nothing when stretching its legs (2nd/3rd gear all morning)
Only seems to occur once hot and only crusing.
Yeah, this is a possibility. Justin, smoke test your intake for any leaks.
Another possibility is the MAF. Drive around with the MAF unplugged and see if there�s a difference.
Thanks - Its off for a full suspension refresh next week. so I'm guess I'm adding to the list this and full brake bleed (feels a little soft / some travel at the top before there's any bite.
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