Does anyone else have problems with acceleration with a 2016 Cayenne? My car will start to go and then hesitate making it dangerous to drive. Dealer can't find anything wrong.

Asked by Feb 17, 2017 at 06:08 PM about the 2016 Porsche Cayenne

Question type: General

18 Answers

105,555

Take it to another dealer, should be covered under warranty. If its not fixed contact chevys home office and see if they can help...

2 of 2 people found this helpful.
1,770

Check or replace the mass airflow sensor. Mounted on the air intake tube, easily accessible. You might need a 5 point torx tool to remove it. Don't touch it. Clean it with CRC mass airflow sensor cleaner per instructions. Do not use anything else! If that doesn't do it, replace or switch out with a unit known to be good. Good luck

1 of 1 people found this helpful.
10

Did the dealer ever figure out your acceleration problem? Having the same issue on my 2016 base model...engine revs, but no go unless you almost floor it, then it jumps! Getting dangerous to drive.

1 of 1 people found this helpful.
1,770

It may sound too simple, but check the fluid level with the engine hot and idling in park. Check on a level surface and never overfill. Porsche transmissions are considered bullet proof. Don't drive it if it still continues, it's too dangerous.

10

Thx Stephen. Had the vehicle back for a several days fold owing a transfer case swap under warranty. Put 600 + miles on it since, then the acceleration issue statedyesterday. Called dealer this morning, says it's normal....blah blah blah.....and they tell me they dropped the pan to check for metal in the fluid when they swapped the transfer case. The tranny on the Cayenne has a drain plug... I'm with you, low fluid (dealer fail to refill etc...) or the torque converter is dying. The car has 9,400 miles on it....

1,770

This dealer is bullshitting you, obviously. Try to talk to a Porsche "Zone Rep" to get some satisfaction. This is why dealers have a bad rap.

1 of 1 people found this helpful.

I have the same problem with my S, 13,000 miles. Recently replaced the transfer case but the problem is back.

10

I have an update.... it seems that if you're left foot braking from a stop and hit the gas simultaneously with your right foot, the " nanny system" doesn't know whether you want stop or go.... so it takes a pause - up to 10 seconds! I've stopped left footing the brake and have not been able to duplicate the problem. My service guy, who is a gear head, ID'd the issue and solution. He's trying to find a white paper on it that I will post if I get it. Our Cayenne has both Sport and Sport plus not sure if that matters, regardless this quirk may have something to do with the quasi- launch control on the tiptronic trannys. Regarding the transfer case, once it was replaced the jerky acceleration stopped and its now super smooth. According to my dealer, they're not using reman'd TC's from Porsche because they've not scaled up production, so the factory is sending brand new units.

I have a 2016 cayenne s and at my wits end with acelleration issues. I've come nervous to pull out as I'm not sure it will go or not. Even when it's going okay it has a hesitation in the acelleration Thats noticeable to me. Love the car when it works well but have become increasingly discouraged and dealer claims nothing wrong. I also get this feeling of a harnessed power out of the blue while on the highway and I have to get the rpm' up to get through it. The sport mode doesn't seem to correct that harnessed power very much.

1,770

Had the same problem with my Volvo. I tried everything. The problem turned out to be a worn or dirty mass airflow sensor. After much frustration, that was the culprit. I bought an extra MAF sensor for my 2000 Carrera for $22 online. Easy fix. Good luck!

Interesting... I'll try anything at this point. Thanks for the reply

Gregpell - What you're describing is exactly what I experienced, I almost got clipped a couple of times. See my comments above for my solution. Interestingly it never happened with my wife, she's a right foot only driver. I switch up occasionally, old school...., but I'm more aware of that now when I drive the Cayenne. So far I've not been unable to duplicate the condition, but I've been extra careful not to apply the brake and gas simultaneously from a dead start...... Still waiting on a tech paper from my dealer on this. Hope this helps! This should probably be posted on a different thread, but out of curiosity how accurate is your speedo? Our's reads 4 mph high at 75, e.g. shows 75, actual is 71. I hate it! I've complained several times, got a note from Porsche USA Tech center saying 4 over is within spec.... Only other issue is the stop/start feature that defaults to "on" every time you restart the vehicle. There's a company in MI "t-design9.com" who sells a memory module that goes in the console that remembers your settings, e.g. S/S off, Sport on etc... Good reviews and diy installation etc.. I'll be getting one.

10

Not sure how my answer posted under Guru926R8, but this is really Scat958. Gregpell - What you're describing is exactly what I experienced, I almost got clipped a couple of times. See my comments above for my solution. Interestingly it never happened with my wife, she's a right foot only driver. I switch up occasionally, old school...., but I'm more aware of that now when I drive the Cayenne. So far I've not been unable to duplicate the condition, but I've been extra careful not to apply the brake and gas simultaneously from a dead start...... Still waiting on a tech paper from my dealer on this. Hope this helps! This should probably be posted on a different thread, but out of curiosity how accurate is your speedo? Our's reads 4 mph high at 75, e.g. shows 75, actual is 71. I hate it! I've complained several times, got a note from Porsche USA Tech center saying 4 over is within spec.... Only other issue is the stop/start feature that defaults to "on" every time you restart the vehicle. There's a company in MI "t-design9.com" who sells a memory module that goes in the console that remembers your settings, e.g. S/S off, Sport on etc... Good reviews and diy installation etc.. I'll be getting one.

I'm not sure on the speedo as I really hadn't considered it but now that you mention it once on a public radar speed zone warning it did so different from my speedo but I just discounted it at the time. for the acceleration.... I began to think that I was too light on the pedal and it wanted to be driven harder but I found no better results as it just creates a greater drop of power if it does initially start well. All these issues started at 17k when on the highway it out of the blue had the issue of harnessed power in a concerning manner and since then it's been horrible. I did notice when that occurred the tranny signal was showing both the auto and manual buttons red like it was confused. the only real offset to the loss of power seems to be staying in manual as that has given some improvement but I shouldn't have to do that in my mind. I'll check out your memory module suggestion. thanks

10

That sounds like more than the nanny systems. I'm guessing no cel or obdII codes are coming up? Have you tried resetting your throttle adaptation? Have you replaced your transfer case?

1,770

As a high speed driver instructor, NEVER drive with 2 feet unless when shifting using the clutch. Why do you see so many people driving into buildings and killing other people? It's because they are using 2 feet. Don't believe otherwise, because it's a dangerous habit. It also messes up the cars brain and doesn't know what to do.

I don't use two feet!!!

I haven't reset anything. The car now has 12,000 miles on it and has been to two dealers for the same problem. I also filed a complaint with Porsche.

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