Blobeye slow to fire up
13 April 2012, 08:12 PM
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Blobeye slow to fire up
Been having a problem with my car for the last few weeks that sometimes it turns over for about 5-6 seconds before it fires up. It cranks over fine and at the normal speed and most of the time it fires straight to life. It's usually fine when it's already warm but if left for 7 hours or so sometimes it's slow at firing up. The plugs are only about a month old, I have cleaned up the engine earth and the crank and cam sensors just wondered if anyone had experienced anything similar. I'm planning on changing the water temperature sensor next I think.......
Cheers
Gav
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Gav
13 April 2012, 08:16 PM
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Battery doesn't have sufficient oomph to do the biz any more. My mrs battery was the same, it had 14v when running and approx 12v when off but it wasn't supplying enough amps to start.
13 April 2012, 09:15 PM
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Fair play about the age of it, but you need a more complex battery conditioner on it to see if it is ok, 12.9v means nothing in the bigger picture, ie. starting.
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13 April 2012, 09:29 PM
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Im with myles on this one,just replaced my battery last week as i was getting 13.89 volts wich is fine till got the amps tested,it was 180 amps,then charged all day it still only had 220 amps in it.it still started but not as it should of done as new batterys have around 520 amps starting power.not saying its defo your battery but get it amp tested mate.
14 April 2012, 01:17 PM
#10
I've had similar problems on my 03 STi. on and off for years!
It would go through a period of starting fine from cold then throw a strop and refuse to start cleanly. It would fire but not pick up and would splutter before catching. It would do this for a few weeks then revert to starting fine again! Cleaning both cam and crank sensors, new plugs and a new battery were not the answers. It's been doing this through two re-maps with three levels of tune.
Now - here's a strange thing! For the last year, after stopping the engine, I've wedged the throttle open with a thin piece of wood from the pedal to the seat base. I can leave the car for a week or more and after removing the 'stick' it starts on the button! It did cross my mind that I may have had a dribbling injector which allowed the plugs to foul when attempting to start and leaving the throttle open allowed the manifold/head to 'breath' letting any fuel evaporate, but the problem existed before and after an injector change.
You could give it a try - as bizzare as it sounds!
JohnD
It would go through a period of starting fine from cold then throw a strop and refuse to start cleanly. It would fire but not pick up and would splutter before catching. It would do this for a few weeks then revert to starting fine again! Cleaning both cam and crank sensors, new plugs and a new battery were not the answers. It's been doing this through two re-maps with three levels of tune.
Now - here's a strange thing! For the last year, after stopping the engine, I've wedged the throttle open with a thin piece of wood from the pedal to the seat base. I can leave the car for a week or more and after removing the 'stick' it starts on the button! It did cross my mind that I may have had a dribbling injector which allowed the plugs to foul when attempting to start and leaving the throttle open allowed the manifold/head to 'breath' letting any fuel evaporate, but the problem existed before and after an injector change.
You could give it a try - as bizzare as it sounds!
JohnD
14 April 2012, 02:11 PM
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Im with myles on this one,just replaced my battery last week as i was getting 13.89 volts wich is fine till got the amps tested,it was 180 amps,then charged all day it still only had 220 amps in it.it still started but not as it should of done as new batterys have around 520 amps starting power.not saying its defo your battery but get it amp tested mate.
would of been a nice easy fix!I've had similar problems on my 03 STi. on and off for years!
It would go through a period of starting fine from cold then throw a strop and refuse to start cleanly. It would fire but not pick up and would splutter before catching. It would do this for a few weeks then revert to starting fine again! Cleaning both cam and crank sensors, new plugs and a new battery were not the answers. It's been doing this through two re-maps with three levels of tune.
Now - here's a strange thing! For the last year, after stopping the engine, I've wedged the throttle open with a thin piece of wood from the pedal to the seat base. I can leave the car for a week or more and after removing the 'stick' it starts on the button! It did cross my mind that I may have had a dribbling injector which allowed the plugs to foul when attempting to start and leaving the throttle open allowed the manifold/head to 'breath' letting any fuel evaporate, but the problem existed before and after an injector change.
You could give it a try - as bizzare as it sounds!
JohnD
It would go through a period of starting fine from cold then throw a strop and refuse to start cleanly. It would fire but not pick up and would splutter before catching. It would do this for a few weeks then revert to starting fine again! Cleaning both cam and crank sensors, new plugs and a new battery were not the answers. It's been doing this through two re-maps with three levels of tune.
Now - here's a strange thing! For the last year, after stopping the engine, I've wedged the throttle open with a thin piece of wood from the pedal to the seat base. I can leave the car for a week or more and after removing the 'stick' it starts on the button! It did cross my mind that I may have had a dribbling injector which allowed the plugs to foul when attempting to start and leaving the throttle open allowed the manifold/head to 'breath' letting any fuel evaporate, but the problem existed before and after an injector change.
You could give it a try - as bizzare as it sounds!
JohnD
Gav
15 April 2012, 09:21 AM
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Have you run any diagnostics on the ecu? Might flag up something on starting? Will be a "chase your tail" for a bit type of issue though as only might flag when issue happens.
15 April 2012, 03:00 PM
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16 April 2012, 02:08 PM
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It's been good for 4 days now and im starting to think it could be related to when there was no V Power and I had to fill up with BP Ultimate!
16 April 2012, 03:30 PM
#18
When you're puzzled, you start to consider even rather unlikely reasons! As it's behaving itself at the mo. there's no telling if my rather strange 'stick' cure would have an effect. All I can say is that since employing the trusty stick, it's never failed to start!
If you don't fancy trying the above, try holding the throttle open VERY SLIGHTLY when you crank the engine.
JohnD
PS Pity you're in Sussex as I could have helped you out re- Scangauge
16 April 2012, 03:45 PM
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Sounds like it's behaving like mine used to.
When you're puzzled, you start to consider even rather unlikely reasons! As it's behaving itself at the mo. there's no telling if my rather strange 'stick' cure would have an effect. All I can say is that since employing the trusty stick, it's never failed to start!
If you don't fancy trying the above, try holding the throttle open VERY SLIGHTLY when you crank the engine.
JohnD
PS Pity you're in Sussex as I could have helped you out re- Scangauge
When you're puzzled, you start to consider even rather unlikely reasons! As it's behaving itself at the mo. there's no telling if my rather strange 'stick' cure would have an effect. All I can say is that since employing the trusty stick, it's never failed to start!
If you don't fancy trying the above, try holding the throttle open VERY SLIGHTLY when you crank the engine.
JohnD
PS Pity you're in Sussex as I could have helped you out re- Scangauge
Yeah it is a shame about the scangauge because it looks like a good piece of kit. I have just been on the phone to UKOBD to ask if I buy one and it doesnt work if I can return it and apparently if it doesnt work on my car and it's not because the unit itself is faulty I cant return it as it comes in sealed packaging so they wont give me a refund!
16 April 2012, 11:14 PM
#20
Yeah it is a shame about the scangauge because it looks like a good piece of kit. I have just been on the phone to UKOBD to ask if I buy one and it doesnt work if I can return it and apparently if it doesnt work on my car and it's not because the unit itself is faulty I cant return it as it comes in sealed packaging so they wont give me a refund!
JohnD
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