Jump to content

Welcome to RennTech.org Community, Guest

There are many great features available to you once you register at RennTech.org
You are free to view posts here, but you must log in to reply to existing posts, or to start your own new topic. Like most online communities, there are costs involved to maintain a site like this - so we encourage our members to donate. All donations go to the costs operating and maintaining this site. We prefer that guests take part in our community and we offer a lot in return to those willing to join our corner of the Porsche world. This site is 99 percent member supported (less than 1 percent comes from advertising) - so please consider an annual donation to keep this site running.

Here are some of the features available - once you register at RennTech.org

  • View Classified Ads
  • DIY Tutorials
  • Porsche TSB Listings (limited)
  • VIN Decoder
  • Special Offers
  • OBD II P-Codes
  • Paint Codes
  • Registry
  • Videos System
  • View Reviews
  • and get rid of this welcome message

It takes just a few minutes to register, and it's FREE

Contributing Members also get these additional benefits:
(you become a Contributing Member by donating money to the operation of this site)

  • No ads - advertisements are removed
  • Access the Contributors Only Forum
  • Contributing Members Only Downloads
  • Send attachments with PMs
  • All image/file storage limits are substantially increased for all Contributing Members
  • Option Codes Lookup
  • VIN Option Lookups (limited)

what is this part number?

Recommended Posts

996 641 982 46 70C

All I am looking for a white face cluster for my 99 c4 996 and found one with this model number. Can anyone tell me if this is the correct part number for the c4 as I am to understand that there is a difference between c2 and c4 clusters. Thanks in advance

Link to comment
Share on other sites

  • Admin
Pardon my ignorance, but why do they have different gauges for a c2 vs c4?
As far as I know it is because of the different fuel tank design in the C4 and it's sending unit/electronics. In the C4, the shape and configuration of the fuel tank (saddle-bag) prevent the fuel level sensing system from being able to physically read down to a level of 10 liters. Therefore, when the driving-distance-on-remaining-fuel calculation begins when the fuel reaches a level of about 19 liters (approx. 1/4 tank).

As fuel is further consumed below 19 liters, the amount of fuel remaining in the tank is a calculated value. The calculated value is derived from the fuel consumption signal, and continues until the fuel tank is empty (unless the fuel tank is refilled).

Whenever the fuel level is less than 19 liters and the ignition is switched off, the fuel-level and driving-distance- on-remaining-fuel values are stored in instrument cluster memory. If battery power is interrupted, these stored values are lost (erased from instrument cluster memory). Once lost, these values will not be automatically recalculated unless the fuel tank is filled with at least 19 liters (crossing the calculation-switchover threshold).

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.