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Discussion Starter #1
Hi i have a 1.7 corsa d 2012 and i have had a problem with it where i was driving it and it suddenly went abit lumpy so i turned it off to try see if re starting the engine would fix it but the car hasn't started since sometimes you can get it running with easy start sometimes not. i have checked that there is fuel to the injectors which there is and i have had the injectors checked 3 of the 4 glow plugs work which i think wont really effect the starting too much as it wont start when hot when i do get it running. i have checked there is compression and also fitted a new crank shaft sensor and tried a new egr any help would be appreciated. ( there are no fault codes) been to vauxhall specialist and they told me it was egr.
 

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if it starts with easy start sometimes it might be a fuel delivery problem .what about replacing the fuel filter which is the easiest and least expensive to do
 

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Discussion Starter #4
I thought EGR was replaced without any success
Hi thanks for your reply i had replaced the egr after it had been to vauxhall and sorry i should of mentioned that i have replaced the fuel filter aswell and thre is fuel at the injectors everytime i crank it over with what looks to be a good amount of pressure it is a strange on as 2 garages have gave me it back not knowing what is up with it and one of them garages been vauxhall
 

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Discussion Starter #8
hi i have had a look and it seems like one of the 4 is stuck in with only the nut on top turning but the plug wont come out so maybe thats why it was only 3 that got replaced
 

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Do you think you have isolated the problem for the non starter of engine ?how are you going to remove plug?
 

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Discussion Starter #11
yeah it seems the plug is seized in the block and the nut just turns on the plug so think if i was to replace that 1 i would need the head off and drill the plug out but i just cant see one plug causing it to not start
 

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Unusual that a garage changed 3 out of 4 glow plugs. You should replace them all at once as they are not that expensive. I think you have found your problem in that the last one needs to be removed. I presume you have tried to penetrate it with wd40? This might help to loosen it for you. You will need a deep 8mm socket. They can crack easily if stuck so try the wd40 first and loosen it gently.
 

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yes .lots of penetrating oil and gentle persuasion to undo the brute.I am sure if you replace the plug your car will run fine.
anyway i hope so
 

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2012 sxi 1.2 5 door in black
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You’ll feel if it’s going to go just keep gentle steady pressure on and it’ll go eventually, like they’ve said above, liberal amounts of wd40 and maybe before you put the ratchet on give the socket and extension bar a well aimed blow with the hammer once or twice to help break the seal
 

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Discussion Starter #16
The problem i have found with the glow plug that hasn't been changed is the nut that the 8mm socket goes on turns with ease but the plug does not move at all just the nut that is so will this be a head off job as by the look of it wont be able to get in with anything
 
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