- What is Motorlytics?
- Motorlytics is a free web app for Porsche 911 Type 996 (1997–2005) owners to track vehicles, fuel logs, maintenance, and failure reports. Browse the public Failure Database or sign in to log your own. In short, it aims to be a car reliability index for the Porsche 911 Type 996.
- Is Motorlytics free?
- Yes. Motorlytics is completely free for every Porsche 911 Type 996 owner. A Premium plan will be launched when the time comes.
- Which Porsche models are supported?
- Motorlytics is built for the Porsche 911 Type 996 (M96 engine), model years 1997–2005. For year-by-year differences across 996 and 986, see the vehicle comparison; for M96 IMS bearing type from your engine number, use the IMS Bearing Lookup.
- Is there a way to avoid bore score, cylinder cracks, oil leaks, etc.?
- Avoid idling. Turn the key and wait for the countdown (0.5 to 0) on the indicator next to the oil level gauge, then turn the ignition on. Drive off after about 20 seconds. After you start driving, even in midwinter, the coolant gauge will begin to move after about 5 minutes. In roughly 10 minutes the coolant reaches 180°F—coolant is ready. About 10 minutes after that, oil temperature is in the normal range. The 996 has no oil temp gauge; use the oil pressure gauge instead: when it drops below 2 bar at rest, the oil is warm. Total warm-up is about 20 minutes. With this routine and consistent daily maintenance, those issues are much less likely.
- What revs should I use during warm-up and after?
- During warm-up keep revs under 2,000 rpm. Some say 3,000 is OK, but 2,000 is better—it's also the shift point. For Tiptronic, manual mode is recommended during warm-up. After warm-up is complete, within traffic rules, rev to 3,000 rpm and sometimes 4,000+ to circulate the oil; that's easier on the engine.
- Where should the coolant gauge sit when it's normal?
- After warm-up, between 180°F and 215°F. If it goes above 215°F, possible causes include radiator fan failure, debris in the front grille, coolant (LLC) leak, or coolant not changed in 5+ years. Engine oil also helps with cooling, so degraded oil is another possibility. Have it checked as soon as possible. If the car doesn't have a center radiator, consider having one installed.
- Is there a difference between winter and summer driving?
- The warm-up routine above is the same in both seasons. In winter, however, low temperatures mean not only engine oil but ATF and other fluids are stiffer. Avoid abrupt gear changes and heavy braking; drive smoothly until everything is up to temperature.
- What fuel economy (mpg) should I expect with a 996?
- For a 996 Carrera, you can roughly expect 15–17 mpg in city driving, 18–21 mpg in mixed driving, and 24–27 mpg when cruising on the highway. Thanks to its aerodynamics (Cd 0.30), highway fuel economy is strong—better than many contemporaries like the Corvette C5 and Ferrari 360.