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madalaa
Fuji


Joined: 13 Mar 2008
Posts: 9576
Location: Isle of Wight

2009 Porsche Boxster 987

PostPosted: Tue Mar 24, 2020 9:24 am    Post subject: Unusual occurence Reply with quote

On Sunday I took the Boxster out for a spin …… I like to give it a run once a week to keep the battery topped up.

I live on the IOW and was over the other side of the Island driving along the Military road driving reasonably sedately and hadn't been revving the engine hard ….. the Military road is long and straight and it is very tempting to put ones foot to the floor but I am aware it is well policed and indeed I did see a police car parked up in one of the car parks ….. anyway that is by the by,

I had just passed the car park where the police were parked up when I noticed my water temperature had suddenly binged up from the 80 to the red line 120 and the warning light came on with the message check coolant level. I put on the hazards and pulled to the side of the road quietly cursing that I was a good distance from home …… virtually in the middle of nowhere and it being a Sunday.

So tuned off the engine expecting to see a plume of steam from the rear …. but nothing and nothing seemed to leaking from the engine. Got back in and started the car and everything goes back to normal …… temperature at the mid dial 80 and stayed that way for the rest of my run which was over 30 minute to get back to where I live,

I can only presume it was some temporary electrical malfunction …….never the less it was an oh ***** moment …… the question is should I be unduly worried?
 
  
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infrasilver
Fast & Furious
Fast & Furious


Joined: 04 Oct 2010
Posts: 8640
Location: East Midlands

2001 Porsche 996 Targa

PostPosted: Thu Mar 26, 2020 12:09 am    Post subject: Reply with quote

Could be the coolant temp sensor playing up, rad fans not working or a sticking thermostat, if you were only out of the car checking for leaks a couple of minutes it wouldn't have dropped that amount in that time so I feel an electrical issue ie temp sensor?

it's one of those keep an eye on it things.
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madalaa
Fuji


Joined: 13 Mar 2008
Posts: 9576
Location: Isle of Wight

2009 Porsche Boxster 987

PostPosted: Thu Mar 26, 2020 9:05 am    Post subject: Reply with quote

Thanks I will Chris ......... but I don't use the car that often but I have to go out today so I will take it when I go to do my errands.

Smile Thumb
 
  
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madalaa
Fuji


Joined: 13 Mar 2008
Posts: 9576
Location: Isle of Wight

2009 Porsche Boxster 987

PostPosted: Sat Mar 28, 2020 9:50 am    Post subject: Reply with quote

Well didn't get to use the car ...... I was about to pull off and the check warning light came on again ...... not straight away but after a couple of minutes …… it suddenly just jumped all the way up to 120. I turned the engine off and restarted …….. nothing abnormal for a minute then the same thing happened.

I checked the coolant level and it said max so I can only presume it's a sensor fault, not the best timing as I know live on the Isle of Wight and the OPC Portsmouth has closed because of the virus.

The car is still under warranty until the beginning of June and I think this could well be a warranty claim. So I have emailed them about the problem so it is on their system and have heard back from them saying it was the right thing to under the circumstances as it leaves a paper trail.

Heaven knows when things will back to normal.

The only problem I now have is how to keep the battery topped up. I do not have a garage and any if I did I wouldn't be able to buy a trickle charger except on line.

Although the hand book says do not drive the car if the check coolant level comes on but as this is I am pretty sure an electrical fault do you think it would be OK to give it a short run every few days to stop the battery fully discharging.

Question Dont know
 
  
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kurlykris
Sepang


Joined: 30 Jun 2014
Posts: 2771
Location: Warwickshire


PostPosted: Sat Mar 28, 2020 1:19 pm    Post subject: Reply with quote

You need to read out the fault code really, if you haven`t got an OBDII code reader I would order an ELM 327 bluetooth dongle from Ebay or Amazon for about £5 and download the Torque Lite app for your phone and then you can read the fault code off.
You need to run the engine for at least 15 minutes each time you start the car, to replace the energy used to start the car Thumb
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1998 996.1 C2 3.4 with "Aerokit Cup"
2006 987.1 Boxster S 3.2 sport chrono
2010 Mercedes E350 AMG Sport

 
  
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infrasilver
Fast & Furious
Fast & Furious


Joined: 04 Oct 2010
Posts: 8640
Location: East Midlands

2001 Porsche 996 Targa

PostPosted: Sat Mar 28, 2020 2:12 pm    Post subject: Reply with quote

Also if you get a decent reader with live running details it may show a true temperature reading and you will be safe in the knowledge that it can be driven safely.

I have seen some decent solar panel chargers recently that can keep the battery topped up inbetween drives.
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