Intermittent starter button
Intermittent starter button
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Russwhitehouse

Original Poster:

962 posts

161 months

Wednesday 17th July 2013
quotequote all
Had a bit of a heart stopper yesterday. I'd been out in the car for an hour or so and on my return, parked up in the drive. It was a baking hot day so I left the windows half open so the interior didn't cook.went back to the car a couple of hours later, put the key in, turned on the ignition, hit the button. Nothing! Turned off, repeated procedure, still nothing! Tried another couple of times, still nothing and getting worried. At this point I put the windows up and had the AC running for a couple of minutes to cool my fevered brow whilst I scratched my head. Tried again and bingo she fired straight up. Was it something to do with the heat in the cabin causing some electrical connection behind the button to expand and so break a circuit? I have no idea. Anyone else had starter button problems for no apparent reason?

Edited by Russwhitehouse on Wednesday 17th July 10:33

V12woollie

4,363 posts

175 months

Wednesday 17th July 2013
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I had this a couple of times with my 07 V8V. Never found the reason for it and it occurred in colder weather. Pushed the button and nothing. Waited a few minutes and fired up fine.

AMDBSNick

7,218 posts

192 months

Wednesday 17th July 2013
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My guess would be foot not fully depressing the clutch

Russwhitehouse

Original Poster:

962 posts

161 months

Wednesday 17th July 2013
quotequote all
AMDBSNick said:
My guess would be foot not fully depressing the clutch
Fraid not. That was my first reaction. The car was in park anyway and fires without foot on the clutch, although I did try it anyway just to be sure

V12Vantage

477 posts

169 months

Wednesday 17th July 2013
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I had a similar issue the other day after the car was left in the sun for an hour, but it was the radio that refused to work. It was fine again the next day after the car had been in the garage, no repeat since.

Jon39

14,928 posts

173 months

Wednesday 17th July 2013
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Don't worry yet.

I occasionally get this with an 09 car. Can only assume that it is like a computer, and so needs the same treatment. Start from the begining again, and it usually then works properly.

Can be awkward if one stalls the engine, this happens and other motorists are held up. curse

Edited by Jon39 on Wednesday 17th July 11:34

hornbaek

3,832 posts

265 months

Wednesday 17th July 2013
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I had that after it came back from service. I slotted in the key and nothing happened. Lights fired up but starter motor did not engage. Called AM Assist and they fired it up no problem. It turned out that I was slotting in the ECU too fast so a much slower movement made it work. Now - I'm pretty sure that the speed of which i slotted in the key hadn't changed (owned the car for more than 3 years) but that they had probably made a tweak to the software at the service which required a slower insertion speed. So my advice is: Try to slot in the ECU slightly slower than usually.

Russwhitehouse

Original Poster:

962 posts

161 months

Wednesday 17th July 2013
quotequote all
Seems to be a bit of a mystery all in all. Fired her up this morning no problem at all so hope fully that will be the last of it. Watch this space. Thanks for the various feedback chaps.

PiloteAM

868 posts

240 months

Wednesday 17th July 2013
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Russwhitehouse said:
AMDBSNick said:
My guess would be foot not fully depressing the clutch
Fraid not. That was my first reaction. The car was in park anyway and fires without foot on the clutch, although I did try it anyway just to be sure
There is an issue with the clutch switch failing.

I had something similar which turned out to be a fault immobiliser, but I gather that's much more rare.

The switch is surprisingly easy to swap, so if you take it to a workshop they should be able to test that in a few mins.

ETA: If it's the clutch switch, then the light round the Start button won't turn red.

Russwhitehouse

Original Poster:

962 posts

161 months

Wednesday 17th July 2013
quotequote all
PiloteAM said:
There is an issue with the clutch switch failing.

I had something similar which turned out to be a fault immobiliser, but I gather that's much more rare.

The switch is surprisingly easy to swap, so if you take it to a workshop they should be able to test that in a few mins.

ETA: If it's the clutch switch, then the light round the Start button won't turn red.
Ah hah! The red light did not come on, so sounds like you may have nailed it there. As I say all well today, but will be prepared if it happens again.

V12woollie

4,363 posts

175 months

Wednesday 17th July 2013
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Do you have mats that could be interfering with the clutch pedal travelling sufficiently to engage the switch?

KarlFranz

2,008 posts

300 months

Wednesday 17th July 2013
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Russwhitehouse said:
Fraid not. That was my first reaction. The car was in park anyway and fires without foot on the clutch, although I did try it anyway just to be sure
I'm confused by this response. What you mean the car was in Park? Do you mean Park as in an automatic? Because then I wouldn't understand why you would be talking about your clutch pedal. And if you do have a clutch pedal, there is no way you should be able to start it without the foot on the pedal.

Russwhitehouse

Original Poster:

962 posts

161 months

Wednesday 17th July 2013
quotequote all
KarlFranz said:
I'm confused by this response. What you mean the car was in Park? Do you mean Park as in an automatic? Because then I wouldn't understand why you would be talking about your clutch pedal. And if you do have a clutch pedal, there is no way you should be able to start it without the foot on the pedal.
Sorry, didn't make myself clear. Yes the car is an auto and was left in "park". I did also try pressing on the pedal just to see if it made any difference but it didn't. Normally it would not be necessary but by then I was grasping at straws. My apologies for the terminology error.

F1 NDW

1,116 posts

176 months

Wednesday 17th July 2013
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How can you have the AC on without the engine running? It's not possible. Do you mean you ran the interior fan? Maybe that did cool something down.

Russwhitehouse

Original Poster:

962 posts

161 months

Wednesday 17th July 2013
quotequote all
F1 NDW said:
How can you have the AC on without the engine running? It's not possible. Do you mean you ran the interior fan? Maybe that did cool something down.
By that I mean ignition on, AC button lit up and cold air blasting from the vents. As you say, did seem to make a difference by cooling something down.

PiloteAM

868 posts

240 months

Thursday 18th July 2013
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Russwhitehouse said:
F1 NDW said:
How can you have the AC on without the engine running? It's not possible. Do you mean you ran the interior fan? Maybe that did cool something down.
By that I mean ignition on, AC button lit up and cold air blasting from the vents. As you say, did seem to make a difference by cooling something down.
Normally the aircon compressor is run by a pulley off the engine.

A few cars have an electric motor instead, but I don't think Gaydon Astons do.