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Idle speed drops - Motronic 7.2

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

Discussion summary

YOUR RESEARCHIdle speed drops - Motronic 7.2

Leading reported evidence

Adjust according

Performed · outcome unconfirmed

No successful repair reported for this finding.

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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.

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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 · Original poster

I thought that this has changed with the introduction of E-gas and Motronic 7.2, in that the throttle position is now adjusted according to the current load on the engine.

Original post Read captured discussion
Idle speed drops - Motronic 7.2
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Leading evidence: 'Adjust according' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Adjust according' (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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1 matching discussions · 5 captured posts examined · 0 partial discussions

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Replace with the introduction of e-gas and motronic 7.2, in

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

I thought that this has changed with the introduction of E-gas and Motronic 7.2, in that the throttle position is now adjusted according to the current load on the engine.

Original post Read captured discussion
Idle speed drops - Motronic 7.2

Use motronic 7.8

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

MY02 uses Motronic 7.8.

Original post Read captured discussion
Idle speed drops - Motronic 7.2
Frequently discussed actions (3)

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

Adjust according

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

I thought that this has changed with the introduction of E-gas and Motronic 7.2, in that the throttle position is now adjusted according to the current load on the engine.

Original post Read captured discussion
Idle speed drops - Motronic 7.2

Replace with the introduction of e-gas and motronic 7.2, in

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

I thought that this has changed with the introduction of E-gas and Motronic 7.2, in that the throttle position is now adjusted according to the current load on the engine.

Original post Read captured discussion
Idle speed drops - Motronic 7.2

Use motronic 7.8

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

MY02 uses Motronic 7.8.

Original post Read captured discussion
Idle speed drops - Motronic 7.2
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.

5 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: 20261027T022239Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Hi, I know that on pre-2000 996s the idle drops by about 120 revs when the aircon is turned off. I thought that this has changed with the introduction of E-gas and Motronic 7.2, in that the throttle position is now adjusted according to the current load on the engine. Consequently, once the engine is warm, the idle stays steady, no matter if the aircon is turned on or off. However, on my 6/2000 Carrera 2, which, according to the factory, has E-gas and Motronic 7.2, the idle still drops when I turn off the aircon. The factory tells me that this is not supposed to happen, whereas my dealer tells me it's quite normal. I know that I have driven 2002 996s where this didn't happen. Can anybody shed some light on this? Cheers, Uwe

POST 2Original post

How do you know you have Motronic 7.2? All MY2000 cars had E-gas but the Motronic update (from 5.3) was done late in the year and I am not sure that the program change you are talking about happened until Variocam Plus (MY02). BTW... MY02 uses Motronic 7.8.

POST 3 / ORIGINAL POSTEROriginal post

</font><blockquote><font size="1" face="Verdana,Tahoma,Helvetica">quote:</font><hr /><font size="2" face="Verdana,Tahoma,Helvetica">Originally posted by Loren: <strong>How do you know you have Motronic 7.2? All MY2000 cars had E-gas but the Motronic update (from 5.3) was done late in the year</strong></font><hr /></blockquote><font size="2" face="Verdana,Tahoma,Helvetica">Thanks for the quick reply. I know that I've got 7.2 because firstly the factory told me so based on the VIN and secondly the DME readout says so. Without aircon, the idle is 690-700 with an engine load of 25%, with aircon it's 810-820 with 28% load. I'm just wondering if anybody with Motronic 7.2 has experienced the same. Cheers Uwe

POST 4Original post

Isn't it a fact that if you have egas then you have motronic 7-? that's what I was told?

POST 5Original post

Yes, so all MYs C4's have E-gas but the C2's were converted over to E-gas in mid (MY) 2000. So, some C2's from that time have DME 5.3 and some have DME 7.2. It still sounds normal to me.

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