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Found 9 results

  1. I have a 2004 Porsche 996 C4S with Tiptronic and I live in the UAE where the summer temperatures are +40C for 4 to 5 months. When I start the car from 'cold' bearing in mind the car bnever really cools down here even though the car is always parked in a basement car park, after I have engaged drive and started to move forwards, the car sometimes feels like it might stall and has a momentary 'flat spot', after a few minutes the car's fine...... I've already changed the MAF, and no difference, could it be spark plugs or ignition coils or a combination of both? Any help would be great
  2. If I run the car at less than 1/4 tank full it's very smooth great acceleration and responsiveness. With engine running I went and filled up with 99 octane as usual and straightaway the engine stutter comes back!!!!!!!! Fyi it is NOT fuel quality. I've started a new thread for this but it's an old problem mentioned in previous posts and unresolved. Basically the ctt 06 with 114,000km has been hesitating and stuttering for a while when accelerating particularly under boost in lower gears through the rev range of 2k 3k 4k ish rpm, it also will vibrate and stutter revving the same rpm
  3. My 2004 CS seems to be a little weak to get up & go since I got it last summer, but still much more power than the car it replaced. I wrote it off thinking, "it's not a turbo, so what do you expect?" I did the plugs and air filters in the fall, and replaced the valve cover gasket on the driver side where it leaked the most. Still no major differences, not that I expected any. Went out to buy some throttle body cleaner the other day, and on my way to the store I got a phone call which prompted me to turn off the climate control (click the fan speed down to 0, temperature display sho
  4. Trying to track down an issue I'm having on my 2013 TT. It has a stumble when accelerating in the 1800-2500 rpm range in basically any gear. If I punch it, it will sometimes act like a misfire. I've changed plugs and coils and looked for vacuum leaks in the front and rear of the engine but didn't find anything. I hooked up an Edge CTS to it and watched various parameters over the past few days but don't see anything obvious. Spark timing looks good and consistent, fuel pressure looks OK, Long term and short term fuel trims look OK (see below), and O2 sensors don't appear to be mal
  5. 2007 Carerra S 114,000 miles I have had a roller coaster ride of dealership attempts to find and repair a hunting idle, hesitation at low-mid RPM range and now a interrmittant intense fuel smell emmitted from right front fender area. If you refer to my previous Tech question you will see multiple parts have been replace trying to find this problem. Throttle body, MAF sensor, Crankshaft sensor, Oil seperator and now the car is back in again for all the same problems. They now have done a fuel system 'smoke' test and did not find any leaks. The mechanic now thinks the Charcoal Fuel C
  6. 2007 Carerra S Firsly, my apologies for the long account of events, but my car has been in/out of dealer about 6x in 2 months. They can't figure this out.. so i'm hoping someone out there can shed some light on this.. thank you! I have had an ongoing and increasing problem(s) for about last 6 months. Not sure if these issues are related or coincidental, but here goes.... Started out with the car dieing out upon its first startup every morning. It would always start up perfectly the 2nd attempt and then a little rough but then even out and be great after that. Dealership s
  7. 9A1 105 308 03 VVS (02 superseded by 03 variable valve system actuator) Anyone replace one? What are the symptoms? How do you identify which one may be lazy? How many per bank? The PET digram denotes (1) so I assume that is one per side no? These appear very easy to replace as the sit next to the spark plugs. I will be doing my plugs in a few months, early spring so I am thinking of just swapping these out. The reason is that pesky hesitation I get under moderate load at around 2800 RPM. The dealer, as others on various boards, think it is the variocam transition. This looks like ab
  8. Hello Everyone Again! I'm a little upset. My cayenne has 44k on the clock, and I'm getting a little sick and tired of this 2 to 3 second delay before take off. Anytime I make a turn and press the gas to go, there is this delayed reacation that I get before moving forward. It sometimes does it even when I'm just going straight. I've read online that there are some people that have fixed this issue with a software update to the DME? Is this true? I've even reset adaptations on the tranny. This seems to work for a few days then it goes right back to the delay again. Does anybody know what
  9. So the other night I was talked into letting my girlfriends brother drive my 99 boxster 2.5l. To say the least, im preatty sure he burned up my clutch. I could smell it and I could tell by the way he was letting it out so slowly. Well when I got back in the driver's seat I realized the car seemed to be shuttering or hesitating whenever i would give it more than minimal gas needed for acceleration. Usually it happens right around 3k rpms. I was assuming that it was the clutch starting to go.. I looked around on pelican and some other forums and would probably end up doing the clutch myself if i
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