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Found 7 results

  1. MY2000 C2 Tiptronic Cabriolet, stock intake, around 70k miles. I changed out the coolant tank about two weeks ago. During the tank install, I broke the oil filler tube. I wrapped it tightly with Gorilla tape as a few people had mentioned that as a temporary fix. I've driven the car about 250 miles since then with no issues. I detect a bit of gasoline smell in the exhaust but I'm not sure if it's my imagination since I had to disconnect the fuel lines during the tank R&R and I'm a bit paranoid after I work on my car. There are no black deposits on or near the tailpipes. Yesterday I was driving and was very low on fuel. I noticed a slight shudder every 15 or 20 seconds while I was idling at a traffic light. I filled it up as I thought maybe that was causing the shudder. When I got home, I cleaned the MAF with MAF Cleaner. I started the car briefly and it seemed fine. Today I pulled the car out and it was running rough immediately . Within about a minute I got a CEL P0301 - Cylinder 1 Misfire. It didn't rain yesterday but the humidity was close to 90% I had changed out the spark plugs about 20,000 miles ago but didn't replace the coils at that time, which I assume were original. I just ordered new plugs and coils and will install them when they arrive. Would a bad MAF or leaking oil filler tube trigger a misfire on just one cylinder? I was planning on delaying the oil filler tube replacement to next year when I'll have my Indy replace the 7 year old LNE IMS and the AOS. Is there anything I can check in the meantime?
  2. 1999, 996, 117k miles Due to leaking I recently changed my coolant reservoir tank, which involved disconnecting and re connecting 2 fuel lines.. Upon restarting the car I had a rough idle and CEL. I purchased a $100b code reader, read a bunch of stuff online and decided to clean the MAF sensor, change the air filter, spark plugs, plug tubes and coils. upon today's startup I get an erratic/rough/low rpm idle, flashing CEL and the following codes: P0102 mass air flow circuit low P1319 misfire emission related P1318 misfire cylinder 6 emission related P1315 misfire cylinder 3 emission related P1313 misfire cylinder 1 emission related Somehow I went from a leaky tank to some bad stuff based on a do-it-myself moment. I wonder if the coil packs might not be perfectly seated? I'm thinking a new mass air flow sensor and all four O2 sensors need replacing?? Please advise. Hugo Kohl
  3. I took it to the shop and the car shows those system too lean in bank 1 and bank 2, do i have to replace anything? The mechanic told me we should replace the coils in #4 and #5 because they are misfiring due to something. Any ideas before i go buying new coils?
  4. Well so i just noticed something weird. I parked the car after driving it for 15 to 20 mins and left it running while i went to get the mail, and when i come back I noticed that 3 out of the 4 pipes where smoking nicely but one was not quite as strong. I put my hand on the one that was not as strong as the others to make sure smoke was coming out, and notice the small amount of smoke coming out was cool! I then place my hand near the others and the smoke was hot as hell! What should I do, I am sure that is not normal! The car drives awesome, very strong, but i am sure that is not a good sign. The one all the way to the right is the problematic one. i bought a durametric and i will run it and show the results here, but any idea will be appreciated.
  5. Hi guys! this is my first post! let's see if anyone can help me out with this problem. i have a 2004 porsche cayenne turbo with 120 000 miles. took it for a high speed run last night (130+ mph). when i got home i noticed a very rough idle and the car was shaking/vibrating. i can also hear a noise from the engine similar to an exhaust leak. the check engine light was already on prior to that ride (codes are : p2187, p2189, p0011, p0441) no new codes so i assume there is no missfires? feels like it runs on 7 cylinders.. coils and spark plugs have been replaced recently can a high speed run causes a blown spark plug/coil ? i still have boost so i assume it is not a boost/vaccum leak? can it be a stuck valve, bad spring valve all of a sudden? do i need a compression test or how can i check if one cylinder is missfiring? (i speak french sorry for grammar) thanks for your help! jp
  6. These two tool sets make changing coils and spark plugs much easier. 1. Kobalt "24 piece right angle bit driver set. #0338552" SKU #09919852324 2. Service Kits "3 piece spark plug service kit #41740" The small ratcheting handle in the driver kit allows you to remove the coil bolts with a lot less aggravation. The magnetic spark plug sockets are permanently attached to the extensions so you don't lose them in the plug wells. And the short extensions are perfect for the job.
  7. Hi folks, Learning a lot reading through these forums and thanks to all of the contributors. My Cayenne S 2005 had been behaving itself pretty well up till recently and then decided to play silly buggers. Radiator had been coming on intermittently following cold start and last week it a dropped cylinder followed by an emission light warning as the Cat screamed in protest. In the absence of a compression test, I suspect the misfire is either plugs or coils or both so I've ordered a set of each but am open to any suggestions?
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