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• 306 alarm 13 Mar 2007 (Forum)
  bought a 306 xs today. either the key pilp doesnt work or the sensor in the car doesnt work. the alarm was disabled, so it wasnt a problem. I then disconnected the battery whilst fitting my stereo. when i re-connected, the alarm had been reset. with out the key fob or sensor not working i cant not disable it, i also do not have the key for the key hole near the battery under the hood. really need some help
• no charge warning light 22 Jan 2007 (Forum)
  hi, apparently i was reading the other day that if the bulb goes for a burton on the battery charge warning lamp this will cause the alternator to fail as this is the primary circuit that energizes the alternator"magnetic field"on the initial starting/ charging process, so if you suddenly get a flat battery one morning or any time i suppose check the bulb first before shelling out for a recon alternator,does this make sense to all you auto-electricians out there?
• Renault Megane -- Key Fob Broke -- 20 Apr 2006 (Forum)
  Now i notice that imobilizer light flashes very quickly all the time, if i keep the locking/unlocking button pressed in the car it stops for a while. I tried batteries in the fob so its nothing to do with the key fob batteries, i even tried a new key fob receicer unit. 1995 renault megane RT 1.9d
• Passat - rough idle 9 Feb 2006 (Forum)
  Just had phone call from distressed Passat owner - he has had a flat battery, replaced it, and now car idles very roughly. (I suspect this is immediately after replacing battery and he hasn't actually driven far) Any ideas - he had some idea of ECU's 'losing' settings and having to re-learn them, but surely the idle setting is the idle setting ?
• Nissan Primera P10 bulb replacement 24 Mar 2005 (Forum)
  I am replacing a headlamp bulb on my 96 Primera. Mr Hayne's manual advises me to disconnect the negative battery lead before proceeding. Two questions. One What am I risking if I don't disconnect the battery lead? Two. Will I need to input the radio security code if I do disconnect. The code may be hard/impossible to find.
• Rover 100 - Electrical problem 23 Dec 2002 (Forum)
  Can anyone help please with a problem which is driving my wife, our local garage and myself wild? My wife's 1996 Rover 111sli keeps dying with an electrical fault - not charging and the battery going completely flat. We've changed the battery, alternator and regulator. It's an intermittent fault, so every time it's in the garage, having been towed back again, it behaves perfectly. Anyone else had this problem please?
• Schizo Alternator? 1 Aug 2002 (Forum)
  This problem is intermittent and has been going on for about a month. The alternator and battery both checked out fine on a test stand at the shop so I'm confused. While idling, the battery voltage is 12V but drops to 10V after some time or right after stop and go driving. At 2500 RPM the terminals read about 13.5V The tachometer jumps around a lot while driving.
• Ford Scorpio Computer Glitch 9 Nov 2001 (Forum)
  I tried disconnecting the battery completely and then reconnecting and restarting, but that has not helped. It just will not respond to the "S" button. Any ideas on what can be done?????
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  I'm having electrical issues with my new hybrid. What are my rights to return it? 17 Jun 2020 (Ask HJ)
  I bought a new hybrid Subaru Forester at the end of March and did a 150-mile trip just before lockdown. Two weeks into lockdown, the low voltage alarm...
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  What's the difference between a plug-in hybrid and a self-charging hybrid? 2 Apr 2019 (Ask HJ)
  Can you explain the difference between a plug-in hybrid and a self-charging hybrid? What are the relative advantages/disadvantages of the two technologies?
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  I'm taking my car off road for 6 months. Do you have any storage/maintenance tips? 4 May 2021 (Ask HJ)
  I have to take my 2018 Volkswagen Polo (petrol) off the road for 6-months minimum. I have read about battery trickle chargers and wonder what type I should...
• Toyota Yaris - Should I buy a Toyota Yaris hybrid (2020-present)? 6 Apr 2024 (Forum)
  The car that is always mentioned for its reliability is the Yaris. I also like the new look of them. However, now onto my concern is the battery issues which I’ve read online, it seems to be common. I drive twice a week usually. I am not sure if hybrid would be the right choice especially since I don’t drive often and I do not know if this will degrade the battery.
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  What's the best hybrid estate car? 2 Sep 2022 (Ask HJ)
  I am looking to change my 10-year-old Golf diesel. I would like a car with similar fuel costs and am told the Toyota Corolla Touring Sports hybrid is good....
• ford focus 1.6 petrol auto 2011 - battery problem 20 Sep 2021 (Forum)
  Self and wife help in caring for neighbour. Her car, serviced to date, has developed a fault which drains battery completely in a few seconds. Main ford dealer services always but now closed locally. Battery replaced with Halfords who changed it after a few months as thought it had "failed" and replaced on warranty.
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  We are storing our car due to Coronavirus - are there precautions to take to keep it in good order? 23 Mar 2020 (Ask HJ)
  My Toyota Prius (17 reg) is mainly used for short runs, up to about 35 miles.This has never caused me any problems, however, in the present times, l feel...
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  Is hydrogen a better option than EVs? 10 Mar 2020 (Ask HJ)
  Would it not be a good idea to move to hydrogen-powered vehicles and not bother with battery power? It would have a lot of advantages such as not having...
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  My car is stuck in park - what's the solution? 23 Feb 2020 (Ask HJ)
  My Ford Mondeo automatic is stuck in park and will not start. The engine will only turn over once then it sounds like a starter motor noise. It will only...
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  Can you recommend a family-sized plug-in hybrid with enough battery range to cover a 30-mile round trip commute? 28 Feb 2019 (Ask HJ)
  Can you recommend a family-sized plug-in hybrid with enough battery range to cover a 30-mile round trip commute? Ideally less than three years old and...
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  Is a used Renault Zoe a good buy for a daily 30 mile commute? 8 Oct 2017 (Ask HJ)
  Due to a change in circumstances, we're looking at buying an electric car for my wife to commute 15 miles each way into work, although there's no charging...
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  What are the signs that I need the alternator in my Volkswagen Touran 2.0 TDI replaced? 19 Feb 2017 (Ask HJ)
  Recently, the battery light on my Volkswagen Touran 2.0 TDI comes on above 3000 revs but as soon as I drop below it goes off again. There is also a whirring...