997 wouldn't start after leaving it sit for about a month
My 997 was parked unused for a month as I was out of station. When I tried to crank it up, it wouldn't start. I hear click click ...and all lamps in dashboard flashes. after this oil measure starts and count downs from 60 mins. Need help!!!
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Buy a new battery.
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Originally Posted by LexVan
(Post 15861327)
Buy a new battery.
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And use a quality battery maintainer whenever parked in the garage.
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That is just a dying or dead battery. Battery maintainer if being left for a couple weeks.
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This
and this If I even think it might be a week or more I put in on the maintainer. Also consider an AGM when replacing - I am looking forward to when my battery fails https://www.pepboys.com/bosch-platin...d900a30a1c0e11 |
Jump start it, then drive it foe a while, or hook it up to a battery tender. Not all discharged batteries are dead.
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Originally Posted by Iceter
(Post 15861381)
Jump start it, then drive it foe a while, or hook it up to a battery tender. Not all discharged batteries are dead.
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How old is the battery?
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Originally Posted by Iceter
(Post 15861381)
Jump start it, then drive it foe a while, or hook it up to a battery tender. Not all discharged batteries are dead.
Only a voltage reading before charging and a much better charge/charger might indicate if the battery can be saved and trusted. https://www.lifewire.com/car-batteri...-to-die-534765 |
Originally Posted by LexVan
(Post 15861408)
True, but, a healthy battery should be able to start a car after 30 days of inactivity.
I'm not sure that's true for some 997s especially when the alarm system is activated. All of this burns power and leaves the battery at risk after a week to 10 days The alarm system monitors the following alarm contacts: – Alarm contacts in doors, luggage compartment lid, engine compartment lid and headlights. – Interior surveillance: Movement in the interior when the vehicle is locked, e.g. attempted theft after breaking a window. – Inclination sensor country-specific equipment: inclination of the vehicle (e.g. when attempting to tow). If one of these alarm contacts is interrupted, the alarm horn sounds for approx. 30 seconds and the emergency flasher flashes. After 5 seconds of interruption, the alarm is triggered again. This cycle is repeated up to ten times. Switching on
If button http://www.porscheownersmanuals.com/...ges/unlock.pngon the vehicle key is pressed and a door or the luggage compartment lid is not opened, the vehicle is locked again automatically after 30 seconds. Switching off the alarm system if it is triggered
If people or animals are remaining in the locked vehicle or the vehicle is being transported on, e.g. a train or ship, the interior surveillance system and inclination sensor must be switched off temporarily.
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You should lock your Porsche if it's going to be left for any period of time. After awhile, it will go into sleep mode and require the key be used to open the door. If you don't lock the car, all of the "nannies" stay on and will drain the battery in a much shorter time than you might think.
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Originally Posted by MexicoBlueTurboS
(Post 15861439)
In my experience a battery discharged below 10.5 volts never really behaves that well and can't be trusted.
Only a voltage reading before charging and a much better charge/charger might indicate if the battery can be saved and trusted. https://www.lifewire.com/car-batteri...-to-die-534765 Everyone is very eager to spend the OP’s money. His battery may very well be on its last legs. But, batteries are expensive. Replacing one after a single discharge without attempting to charge it and continue using it is both wasteful and stupid. |
My advice when it comes to new batteries is to find one that was manufactured within the last 6 months ( preferably within the last three months). They have stamps or stickers indicting the month. Before installing the battery, hook it up to a battery charger ( not a maintainer) and bring it to a full charge. After installation use a good battery maintainer if not using the car for some time ( a week or more).
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I leave all my cars on Battery Tenders when not being used. The last Optima battery in my 914 lasted 12 years. The Optima in my 997 is 7 years old now and the one in my wife's 997 is 6 years old. Keeping them topped up makes them last much longer than not.
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