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• Vauxhall Astra 1.6 diesel desire - starting problems when weather hot or cold 14 Aug 2014 (Forum)
   My car struggles to start when its very hot or very cold and something seems to be draining the battery life as I need to replace the battery every year.  I have taken it to the garage a couple of times including the vauxhall dealer garage to have checked over and they cannot find anything wrong even when I have had a diaganosis test done.
• Rover 45 - Complete Power Failure 4 Dec 2012 (Forum)
  Hello All,    I went to start my Rover 45 yesterday and it wouldnt start, just a clicking sound as i turned the ignition.  This happened about 7 months ago and i bought a brand new battery.  This time i got a jump start and it started immediatly.  I drove down the road for about ten minutes to try and get the battery charged up and noticed when revving the battery light flicked on and flicked off just momentarily.
• Peugeot 307 Xsi - 51 plate - car wont idle after a jump start 13 Jun 2012 (Forum)
  Hi there, Following a little crisis at home, left the keys in it and flattened the battery. Jump started it off the neighbours car and went to work. The car kept stalling in between gear changes, (the battery was charging). Charged the battery that day, put it on, it starts okay, but wont idle.
• KIA Sedona (1999 - 2006) - 05 2.9 Difficult starting 13 Nov 2009 (Forum)
  In the morning it turns over fairly slowly and struggles to start. The starter motor is fairly new and the battery is only a week old. I had to call out the breakdown service as the car did not start. as soon as he put his battery pack on it started within seconds so i presume the glow plugs and starter are okay.
• Renault Clio 1 Diesel (1991 - 1998) - 92 1.9 Battery reversal damage 2 Sep 2009 (Forum)
  After this the Clio won't start ! There is now a near short on the chubbyish cable which runs from the battery + back in towards the dashboard. The short (4.5 Ohms) appears when the ignition key is turned to first stop. Two questions: 1. What is the most vulnerable component on that cable after the ignition switch ?
• BMW 3-Series E46 (1998 - 2005) - 02 318i Clicking starter motor 8 Mar 2009 (Forum)
  Anyway, it won't start, the starter motor clicks but doesn't turn the flywheel. Tried attaching a booster thingy to the battery once we found it, it's in the boot by the way. Didn't make any difference but the headlights are dim when tested engine off, so I still suspect the battery. We did, however, manage to bump start it OK .
• Nissan Primera III (1999 - 2002) - 01 1.6-idle problem following alternator 12 Jan 2009 (Forum)
  I have just given it a 15 mile run but revs still drop when pulling to a halt. Would leaving the battery disconected affected the ECU?
• BMW 3-Series E36 (1991 - 1998) - 1997 1.7 rattling BMW?? 20 Nov 2008 (Forum)
  I am wondering if the alternator is faulty and is putting the belt and tensioner under stress.....the new battery cured it for a couple of days and after a couple of days (as the battery lost power) the problem reappeared? I hope this makes sense , or am I barking up the wrong tree. I am no auto electrician but how do I check for faulty alternator with a small multimeter.
• I Have a Question - Volume 217 14 Jan 2008 (Forum)
  Anyone got any idea what you should expect to be reasonable battery life on an average digital camera. I've just bought one in the sales (mid price range standard hand held job - 10mp, 3x zoom, £100 ish). The batteries are lasting about 8 pictures - I've taken one back as I thought I had a dud but the replacement is just as bad.
• Peugeot 406 HDI immobiliser problems 13 May 2007 (Forum)
  My brother has a Peugeot 406 hdi that has been stood for a couple of weeks and when he went to start it this weekend the battery was flat. Having removed the battery and recharged it, the engine immobilser (flip down pad type) now refuses to accept the code...b4 when the code was entered the red light went out and the green light came on and the engine started...now both the green and red lights stay on after the code has been entered and the car refuses to start.
• Should I buy? 6 Mar 2007 (Forum)
  I have signed up to buy a 2001 Passat 1.8 20V SE car from a delaership pending a test drive. When I first saw the car I was unable to tet drive it as it had a flat battery. They informed me today that they couldnt get it started and were sending it to a VW garage to go through a full diagnostic check and get it up and running. I am now having second thoughts about buying the car as it may be a fault somewhere that is draining the battery somehow.
• Corsa battery and Master cylinder 2 Mar 2007 (Forum)
  Hi Guys, As my Daughters Vauxhall corsa '02 1.4 only does a small mileage per week, I decided to take the battery off to charge it over the weekend. I ended up charging it on the car as it seems that half the panelwork under the bonnet has to be removed to take it off. Is this the case? is it REALLY that difficult to remove.
• Jump starting: conflicting advice 11 Feb 2006 (Forum)
  Two online sources told me: 1. positive to positive 2. negative to bare metal on the target engine ("NEVER to the negative terminal, as this can ignite and cause both batteries to explode." "DO NOT hook it to the battery negative terminal as there maybe hydrogen gas present from the battery and a spark from the connection could cause an explosion.") 3. start the source engine A general household manual says: 1. start the source engine 2. negative to negative 3. positive to positive.
• 306 Alarm Problems after flat battery 5 Jan 2005 (Forum)
  I have just collected a 306 DTurbo from a friends drive where it has been stood for about 7 months. Obviously the battery was totally flat, after I got it started the lights began to flash. Following about 30 seconds they stop flashing, the car starts no problems but when ever you open the door the lights flash again (no siren), Also, unfortunately I do not have the key that goes in the keyhole under the bonnet..
• GM ECU Fault Codes-Life-Span? 12 Jun 2003 (Forum)
  I thought that all fault codes were lost when the battery is disconnected - in this case it appears that the error message was held in the ECU memory, even without battery power, until a correct signal was received from the sensor. Can anyone clarify this?
• Aston Martin EV motor 15 Jul 2023 (Forum)
      Aston deal validates “the most advanced electric motor in the world”, says Lucid Air creator | Top Gear AM putting its faith in the Lucid electric motor to power its cars in the belief that the motor itself rather than the battery is the answer to range.  As the techs develop both will play a part but surely a more efficient motor will use less battery but how much is the real question?
• 
  Need the radio code for the Ford Fiesta 7 Oct 2016 (Ask HJ)
  Do you have the radio code for the 2005 Ford Fiesta? It's locked out after the battery removal.
• Battery demand increases fuel consumption. 6 Feb 2016 (Forum)
  Just curious. I've heard that when are using the car's electrical appliances ie, lights wipers, heater blower etc this increases fuel consumption.  Seeing...
• 
  Chrysler Voyager refuses to start 9 Jun 2014 (Ask HJ)
  I have a 2002 Chrysler Voyager with a 2.5 diesel engine. However, the car won't start and there's a red light on the dashboard. Any ideas?
• Sharan 2003 TDi - Sounds like a fan running? 1 Jun 2012 (Forum)
  Hi, This is my first post and I cant get to the bottom of this noise, I'm concerned it will be draining the battery. When the ignition is switched off I can hear a fan funning and it sounds to be to the rear of the battery, it runs for 3/4 minutes after the ignitionn is tured off, is this normal and can you tell me what it is please.