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)

Intermitent Starting problem

Micheal Johnston
 Share

Recommended Posts

Micheal Johnston Member

Micheal Johnston

Posted
Posted

Hi I am looking for some assistance / advice.

I have a UK 2004 Cayenne, occasionally when trying to start the engine will start to crank then stop, the dashboard display goes off  and the clock resets to zero. Looks like total power failure.  After a couple of hours the car will start. Sometimes I have jump started the car after which it starts and runs fine for a few days.

 

The first time it happened I assumed that the battery failed, I removed it and to replace it, my local the garage checked the battery and declared it ok. I re-installed it and charged it after which it ran for a couple of months nand the issue reappeared.

 

Possibly the battery is at fault, however I don't want to buy a new battery and find that the fault lies elsewhere.

 

So my question would be "what else could cause the a temporary power loss?" I don't have the electrical circuit diagram so don't know what else to look for.

 

I did wonder if it might be the starting motor or solenoid, possibly a bad spot on the flywheel or starter motor bendix.

 

I would appreciate any suggestions.

  • Moderators
JFP in PA Member

JFP in PA

Posted
  • Moderators
Posted
2 hours ago, Micheal Johnston said:

Hi I am looking for some assistance / advice.

I have a UK 2004 Cayenne, occasionally when trying to start the engine will start to crank then stop, the dashboard display goes off  and the clock resets to zero. Looks like total power failure.  After a couple of hours the car will start. Sometimes I have jump started the car after which it starts and runs fine for a few days.

 

The first time it happened I assumed that the battery failed, I removed it and to replace it, my local the garage checked the battery and declared it ok. I re-installed it and charged it after which it ran for a couple of months nand the issue reappeared.

 

Possibly the battery is at fault, however I don't want to buy a new battery and find that the fault lies elsewhere.

 

So my question would be "what else could cause the a temporary power loss?" I don't have the electrical circuit diagram so don't know what else to look for.

 

I did wonder if it might be the starting motor or solenoid, possibly a bad spot on the flywheel or starter motor bendix.

 

I would appreciate any suggestions.

 

Welcome to RennTech :welcomeani:

A common problem with Porsche's is a bad ignition switch, which cause all sorts of electrical gremlins and failures.

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
 Share
Go to topic listing
×
×
  • 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.