18 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHIdle
Leading reported evidence
Clean around the oil cap etc
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
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0
Unsuccessful attempts
1
Discussions
Read evidence and context
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Discussions that performed work without a confirmed outcome
1
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Leading evidence: 'Clean around the oil cap etc' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'result of condinsation' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Clean around the oil cap etc' (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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Performed · outcome unconfirmed
For the exhaust, yes they will look at your car, as my dealer actually installed my non Porsche exhaust!
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Performed · outcome unconfirmed
However, before I installed the SC, idle was at 700 but still smooth with oocaasionaly roughness depending on how hard I was driving.
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Performed · outcome unconfirmed
My car however has always ran rought with the passenger seat shaking.
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Suggestion
I took it to the dealer at first, and they said it looked like one bank of cylinders was trying to compensate for something, but after running through the tank of gas everthing read normal.
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18 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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Generation: 20261027T154520Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Question,
What does your car idle at, 700, 800, or 900 RPM?
Mine sits at around 700 RPM and I think that is a little too low. The car shakes more then I think it should. Is it normal to see the passenger seat vibrate alot?
Another thing, I just added alittle oil into the car the other day and noticed alot of yellow gunk all around the oil cap and oil tube. Is that normal or is my car not running right?
peter
Mine is at 800 rpm and you can't even tell the engine is running after warmup. However, before I installed the SC, idle was at 700 but still smooth with oocaasionaly roughness depending on how hard I was driving.
The yellowish oil you see if probably the result of condinsation which naturally occurs in the oil system. If you are taking trips of less than 15 - 20 minutes then you will get more of this because the engine is not reaching full operating temp to burn off the moisture. Take the car out and drive it hard and it will lessen.
It is normal for the idle to vary as much as -40 to +40 rpm.
800 huh? maybe I should have the dealer check it out and possibly bump it up a tad. The passenger seat is shaking and at times I hear the door rattling
And this is just at idle
I had a patch of rough idle recently. It may have been a tank of bad gas, coupled with 1)bad habit of having my foot a little on the gas as I started the car and 2)having switched off the a/c. The idle drops 200 RPM for me and is a little rough when the a/c is off.
After emptying the tank and refilling the idle smoothed out. I took it to the dealer at first, and they said it looked like one bank of cylinders was trying to compensate for something, but after running through the tank of gas everthing read normal. There was never a CEL. My conclusion is that these engines are just a little finicky...air temp, gas quality, humidity, you name it..
hmm forgot the AC had to be on at all times.. I remember reading that somewhere.. I've had it off for quite sometime now.. Let me try turing it back on to see if that helps..
I also get a rough Idle with the A/C off. I can see the passenger seat shake a little. As soon as I turn on the A/C it idles @ 800 and smooth. Is this everyones experience too??
I have the same problem. I replaced the plugs and it helped for a while. I note that if I take it into the canyons and beat the snot out of it, no abuse just driving hard, it will be nice for a while. Alternatively you can undo the battery reseting the ecu and then drive it hard and that might make a slight difference as well. My car however has always ran rought with the passenger seat shaking.
Interesting question about the gunk in the oil filler. I noticed that also. My car always gets up to temp. I was concerned that it was coolant in there. My tank is slightly low. However the oil on the dip stick is clean.
Jeff
I cleaned all around the oil cap etc.. I'm waiting to see if that yellow gunk shows up again.. The next time I drive the car i'm going to drive it hard and longer then 15 mins..
Do you guys get a ping or intermittent knocking sound? It sounds like it comes from the bottom rear section of the car. Maybe even from the headers or muffler
With an aftermarket exhaust, will the dealer still look at it?
I went through this with my dealer when I first bought my car. For the exhaust, yes they will look at your car, as my dealer actually installed my non Porsche exhaust! I guess it comes down to the dealer.
I freaked over the yellow stuff as well, cleaned it out, etc.. and it eventually came back. Dealer and others have commented that its normal.
Now, as for a ping, that's a new one. Not sure what that could be.
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