Unfortunately, consumers of older Porsche Cayenne vehicles, particularly the 2004 and 2011 models, … In addition to pollutants, dirty air filters are also the cause of inefficient fuel combustion. The bolt in question is an aluminum/steel core version, and Porsche's recommended update is all steel. Glad I found this website. If the throttle position sensor is not working properly, it may be sending incorrect information to the vehicle’s computer. The car jerking problem happens to be an issue common in both manual and automatic cars. The unpredictable nature of an engine that hesitates can increase the chance of a potential accident especially when trying to merge in and out of heavy traffic. Power train:automatic transmission:control module (tcm, pcm) HOME » P » PORSCHE » CAYENNE S » 2004 » Control module (tcm, pcm) Auto Parts. Moisture gathering in your car’s distributor cap can cause car jerking and lead your engine to misfire while you accelerate. Signs for this is: Use of an Ohm meter is the only way to know this, so if you don’t have one, you should check with a mechanic to know if motor winding is the reason your car is jerking. In this case, it mostly happens when you are trying to shift from the neutral gear to the first gear when you continue after a pause in the middle of a slope. Tsukasa’s blog is one of the best resources for information about keeping your favorite imported car running smoothly. He owns a car repair shop at downtown Osaka, and he put all that experience to good use in his sharing posts. Some thought it could be dangerous when you are trying to turn in front of incoming traffic. 5 Reasons Make Your Car SHUTS OFF While Driving – 4 Steps To Do, White Smoke From Exhaust: Main Causes and How to Fix, Iwamotocho 3-10-7-7F, Chiyoda, Tokyo, Japan 101-0032. While While many cars are built to last, eventually even the most reliable vehicles break down. There is no better vehicle on the market today.. Just noticed as I slowly accelerate in 4 to 5 gear and engine is low RPM that I got a judder in the transmission. A friend has an '04 Cayenne Turbo which I've driven and it … When a vehicle is hesitating during acceleration, it should be inspected by a mechanic. If the mechanic believes that the mass airflow sensor has gone bad or is failing, he or she will first examine the sensor for any superficial damage. Talent: * Tools: Mixture adjustment tool: Applicable Models: Porsche … Spark plugs need to be replaced frequently. Porsche lurches, jerks, thuds, intermittent power loss when accelerating to pass another car. Porsche During a test drive of a used Cayenne, listen out for a clunk or thump in the center of the car when accelerating. Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, Over 25,000 topics, from beginner tips to technical guides, Check cars for recalls, common issues & maintenance costs, Hand-picked, community-rated professionals, Our mechanics make house calls in over 2,000 cities, Explore nationwide job opportunities for automotive technicians, Trusted mechanics, rated by thousands of happy car owners, Fleet maintenance with certified mobile mechanics, Number of Porsche Cayenne services completed, Porsche Cayenne - Car is not starting - Indianapolis, Indiana. The weather is also one of the major reasons why a car jerks when accelerating. Recently I noticed some jerking when accelerating. We've gathered a vast collection of useful articles to help you perform many repairs and upgrades on your Porsche. Porsche Cayenne Hd Wallpapers. A vehicle that struggles or hesitates to accelerate may be unpredictable and moments of hesitation may be coupled with equally dangerous moments of surging or unexpected acceleration. What could possibly the cause of this? If a fuel pump cannot provide the correct pressure, fuel may have difficulty making it to the engine. Furthermore, insufficient fuel in the car causes it to jerk as you accelerate the car. The computer is then able to adjust the fuel/air mixture going to the engine so that is stays at an appropriate level. In this case, sending the car to a professional mechanic to get it tuned or remove the blockage is the best solution. owners like you. ... *ontrolled acceleration** cayenne s accelerated uncontrollably while driving. ... this can also show up as jerking when the PDK is going through 2nd to 3rd gear changes and accelerating between 30-50mph. Porsche Cayenne Engine Reliability Starting with the Cayenne’s first year of production in 2003 and lasting until 2010, base models were powered by Volkswagen -designed, 3.2-liter V6 engines. The carburetor blends and regulates the right amount of fuel and air as it goes into the engine cylinders for appropriate fuel combustion. Porsche Cayenne Engine hesitates during acceleration Inspection at your home or office. This six-speed transmission is generally reliable, but develops problems with the valve body: the hydraulic fluid control assembly that regulates gear and clutch engagements.