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 Posted: Thu Dec 16, 2010 4:35 am |
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Joined: Dec 09, 2010
Posts: 31
Trade Rating: 0
Location: Epworth
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Running fine last night, parked up, Wife went to start it up this morning engine turns but it just doesn't fire.
When I turn the key now the 'engine diagnostic' light doesn't come on and I can't hear the fuel pump priming up as it usually would. Now this morning is the first time we have used the wifes key, could it have messed up the immobiliser somehow (don't think it's been used for a long while). No difference with either key now.
Any ideas?
Andrew.
PS - used to working on a car with a nice simple carb plonked on top of the engine. Developing a real Luddite streak now 
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Posted: Thu Dec 16, 2010 4:36 am |
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Joined: Apr 26, 2010
Posts: 5489
Trade Rating: +12
Location: Herts/London
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the key shouldnt make a diff if its the same key juast your wifes one as the transponder will be coded just the same.
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Posted: Thu Dec 16, 2010 4:41 am |
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Joined: Feb 07, 2010
Posts: 97
Trade Rating: 0
Location: The Netherlands
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Because of the absent sound of the fuelpump I'd check the fusebox first...
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| ...You don't like my opinion? Wait until you hear the ones I keep to myself...  | |
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Posted: Thu Dec 16, 2010 6:10 am |
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Joined: Sep 19, 2010
Posts: 202
Trade Rating: 0
Location: uk
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Check the fuel inertia button as well. The key should work fine, as it is coded
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Posted: Thu Dec 16, 2010 6:35 am |
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Joined: Dec 09, 2010
Posts: 31
Trade Rating: 0
Location: Epworth
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Thanks for the responses folks.
OK fuses all intact, both underbonnet and in cabin, inertia cutoff reset is the red rubber button behind the N/S strut under the bonnet right? Tried that still no joy.
The lack of engine diag. light when I first turn the key is worrying me, usually comes on for a few seconds then goes off but now nothing..
any new cunning theories??
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Posted: Thu Dec 16, 2010 9:49 am |
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Joined: Dec 09, 2010
Posts: 31
Trade Rating: 0
Location: Epworth
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 stupid car!!!
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Posted: Thu Dec 16, 2010 9:57 am |
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Joined: Feb 07, 2010
Posts: 97
Trade Rating: 0
Location: The Netherlands
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...Tried a BSI reset...?
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| ...You don't like my opinion? Wait until you hear the ones I keep to myself... | |
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Posted: Thu Dec 16, 2010 10:41 am |
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Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England
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Fuel pump might be knackered then, take it out and test it.
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Posted: Thu Dec 16, 2010 10:42 am |
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Joined: Mar 29, 2010
Posts: 3977
Trade Rating: +15
Location: Halifax
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there is a little cap on the end of the coil pack. remove it and start it and fuel should come out. if it does its nothing to do with the pump but if it is you can be sure its fuel starved.
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Posted: Thu Dec 16, 2010 11:18 am |
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Joined: Dec 09, 2010
Posts: 31
Trade Rating: 0
Location: Epworth
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looks like some sort of dodgy electrics somewhere. changed the crankshaft sensor just on the offchance but no joy, pulled the coilpack off and had a plug out to check for spark (none) no fuel coming through either, got a code reader and couldn't even get the ECU to connect to that to start with. The code reader suddenly got a connection when I started to take the first bolt off the coil pack but no error codes showing.
Put everything back together and started to check if there was any power to the plug going into the coil and there wasn't. then suddenly there was and the orange diag. light was back on the dash. plugged it back in sharpish and it started 
took it round the block a couple of times and it's fine, got back and sat outside for a bit with the engine running and suddenly the engine just stopped again. went to restart and same again, no light, no pump, turns but no go. Then tried again, light's back, pump primes and we're away again.
not filled with confidence.
earth? ignition switch? immobiliser? wet in the electrics?
who knows?
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Posted: Thu Dec 16, 2010 5:34 pm |
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Joined: Dec 09, 2010
Posts: 31
Trade Rating: 0
Location: Epworth
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electrics have gone haywire, looks good to start but now when I remove the key the clock/temp display won't go off 
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Posted: Thu Dec 16, 2010 5:59 pm |
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Joined: Sep 19, 2010
Posts: 202
Trade Rating: 0
Location: uk
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Dying bsi?
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Posted: Fri Dec 17, 2010 6:22 pm |
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Joined: Dec 09, 2010
Posts: 31
Trade Rating: 0
Location: Epworth
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what I'm worried about. Don't do electronics The clock display seems to be a side effect of the new head unit so that's not a worry at the minute and the car's run fine today. Current school of thought is a random short in something somewhere the BSI runs but a nightmare to track down if that's the case. Just have to wait and see if it does it again.
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Posted: Fri Dec 17, 2010 10:01 pm |
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Joined: Feb 07, 2010
Posts: 91
Trade Rating: 0
Location: Northern Ireland
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Checked batt conections an earths? Also batt condition
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Posted: Sat Dec 18, 2010 4:07 am |
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Joined: Aug 20, 2010
Posts: 29
Trade Rating: 0
Location: Manchester
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the keys dont use a fixed code they use a rolling code transponder. I had a renault in that would start sometimes and not others. The ecu was not rolling the codes so you had to turn the key to position 2 then off and keep repeating this till the codes had done a full cycle and the light went off and it would start. its probably the bsi try a reset and if that doesnt work try turning the key on and off a few times and if it works its a bsi or ecu knackered
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