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16th November 2021, 09:32 | #1 |
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Rover 75 saloon x2, Rover 75 Tourer x2, Rover 220 Coupe Turbo Join Date: Aug 2010
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Car won’t start after flat battery
Hi. I went to start one of my 75s after a few months. It didn’t start due to flat battery. Tried jumping it but no luck. Removed the battery and took
It home and left it on charge overnight using a battery charger I have. Went to fit it this morning and the car won’t start at all. I briefly saw what looked like a red alarm light on the dash before it disappeared. When turning the key, it does nothing. Doesn’t even try to turn over. Any idea what the issue is? Thanks.
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Wanted - Indian bride. Cash waiting. (All sorted - bargain) First name and forum name: Ravinder Rover 75 2.0 CDT Connoisseur SE 116 (160 remap) Royal Blue (JFM) This vehicle was the 50,481st 75 to run off the production line, out of 112,381 This vehicle was the 2,238th 75 CDT Connoisseur SE to be made out of 3,775 This vehicle was the 5,002nd 75 in Royal Blue (code: JFM) to be made out of 14,420 Royal Blue 75s |
16th November 2021, 09:47 | #2 |
This is my second home
Rover 75CDT, Jaguar XF-S 3.0V6, V'xhall Omega V6 Estate, Twintop 1.8VVT, Astra Estate and Corsa 1.2 Join Date: Dec 2007
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If the battery has been in a discharged state for some time, it's possible that it is no longer able to hold a charge large enough to crank the engine i.e. is truly dead. I would try another battery from say one of your other cars that start easily.
Did the engine turn when you used jump leads? |
16th November 2021, 09:50 | #3 |
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R75 Saloon. Join Date: Feb 2009
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1/ Are you sure the battery is good ??
2/ Did you check the voltage before fitting it to the car ??--( Has to be 12.6 volts minimum. ) 3/ Do the car lights work ?? 4/ Do you hear a click from the starter when you turn the key? If no lights work are the battery connections good ??-- |
16th November 2021, 20:38 | #4 |
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Rover 75 saloon, manual. Rover 75 Tourer, Auto. Join Date: Jan 2013
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Car won’t start after flat battery
Replied to on your Facebook post.
No oil pressure light seen when key turned to position 2 so something is not talking to the ECU. You could try swapping out the main relay no 4 under the bonnet with one of the other yellow relays. It’s worked for me in the past. I would also check your ecu for dampness / corrosion at the pin terminals. Edit… hope this helps and that it’s just not specific to an auto… Diesel auto non start - EP on dash https://r.tapatalk.com/shareLink/top...ink_source=app Sent from my iPhone using Tapatalk
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2006 75 Contemporary SE diesel manual (#1) 2003 75T Connoisseur SE diesel auto (For Comfort) 2005 75 Connoisseur SE diesel auto (Marmite duotone ) 2006 75 Connoisseur SE diesel auto (The last one?) 2009 E220 (For a change) 2018 L200 (For Big & Heavy Things) 1976 W114 250 Manual (For Sundays) Last edited by 75driver; 16th November 2021 at 20:43.. |
16th November 2021, 21:40 | #5 |
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Rav, how many times did you try to start the car with the discharged battery? It is possible to scramble the rolling code between the immobiliser and transponder chip. See BigRuss' warning.
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16th November 2021, 21:47 | #6 | |
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