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Author corsa c20xe
Rigby
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Registered: 3rd Mar 16
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6th Jun 16 at 17:30   View User's Profile U2U Member Reply With Quote
i have a problem with my c20xe what it is if i leave it a day it will start first time but as soon as i try it again after i turned it off it doesnt even offer to start? also when it does start it has a terrible misfire? any help will be appreciated cheers
Tiger
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Registered: 12th Jun 01
Location: Leicestershire Drives:Astra VXR
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6th Jun 16 at 17:52   View User's Profile U2U Member Reply With Quote
Cam or Crank position sensor at a guess.
Rigby
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6th Jun 16 at 19:05   View User's Profile U2U Member Reply With Quote
its got a new crank sensor and whats the cam sensor?
Tiger
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Registered: 12th Jun 01
Location: Leicestershire Drives:Astra VXR
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6th Jun 16 at 19:13   View User's Profile U2U Member Reply With Quote
Tells the ECU what position the pistons are in and the camshaft speed.
Rigby
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6th Jun 16 at 19:23   View User's Profile U2U Member Reply With Quote
where abouts in the engine its a dizzy?
Tiger
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6th Jun 16 at 19:37   View User's Profile U2U Member Reply With Quote
It's a small black plastic box sticking up out of the metal dizzy housing.
Rigby
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6th Jun 16 at 20:16   View User's Profile U2U Member Reply With Quote
You got a picture of what they look like mate
Tiger
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Location: Leicestershire Drives:Astra VXR
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6th Jun 16 at 20:27   View User's Profile U2U Member Reply With Quote


I think it's the attached to the black plug to the front of the dizzy.
Rigby
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6th Jun 16 at 21:16   View User's Profile U2U Member Reply With Quote
How would you change that? And do you reckon that why my car is doing what it's doing? How much does it cost aswell mate?
Tiger
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Registered: 12th Jun 01
Location: Leicestershire Drives:Astra VXR
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6th Jun 16 at 21:29   View User's Profile U2U Member Reply With Quote
At a guess you'd have to unbolt the assembly and it'll be inside the dizzy housing. It could be contributing to your car not starting but it could be other things also. It's a starting point though if you say you've done your crank sensor.

I'd hazard a guess that they are around the £30 mark..
Rigby
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6th Jun 16 at 21:36   View User's Profile U2U Member Reply With Quote
How would you change that? And do you reckon that why my car is doing what it's doing? How much does it cost aswell mate?
Rigby
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6th Jun 16 at 21:37   View User's Profile U2U Member Reply With Quote
Could it be any other reason why this happening? Or do you reckon it will be just them two
Tiger
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Location: Leicestershire Drives:Astra VXR
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6th Jun 16 at 21:44   View User's Profile U2U Member Reply With Quote
Hot start issues are normally crank or cam sensor issues I've found. I'd be looking at ruling those out first, just don't come beating my door down if it doesn't fix it

I read something about hot under bonnet temps can potentially evaporate fuel from fuel lines near inlets but I think it's far fetched.

I'd check your timing too whilst your swapping sensors.
Rigby
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6th Jun 16 at 22:02   View User's Profile U2U Member Reply With Quote
Haha I won't mate, what are hot start issues, I never let it get hot
Tiger
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Registered: 12th Jun 01
Location: Leicestershire Drives:Astra VXR
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7th Jun 16 at 05:44   View User's Profile U2U Member Reply With Quote
Starting your car at or near to its full operating temperature.
Rigby
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7th Jun 16 at 07:06   View User's Profile U2U Member Reply With Quote
It will always be cold when I start it
Nic Barnes
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7th Jun 16 at 09:34   View User's Profile U2U Member Reply With Quote
see where you say it doesn't offer to start, do you mean it won't crank over or it spins just won't fire up?
Rigby
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7th Jun 16 at 16:50   View User's Profile U2U Member Reply With Quote
its just doesnt offer just tuns and tuns never offers to start
Tiger
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7th Jun 16 at 17:17   View User's Profile U2U Member Reply With Quote
Is there a spark?
Rigby
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7th Jun 16 at 17:24   View User's Profile U2U Member Reply With Quote
yer theres a spark,fuel,compression, and timing is right
Tiger
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7th Jun 16 at 17:30   View User's Profile U2U Member Reply With Quote
fuel pressure issue?
Rigby
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7th Jun 16 at 17:35   View User's Profile U2U Member Reply With Quote
yes loads at the rail
Tiger
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7th Jun 16 at 18:15   View User's Profile U2U Member Reply With Quote
An engine needs fuel, spark and compression to run, you've got all of these so somewhere there's an issue with one of them. Is the spark strong enough. Could be a faulty ignition? After that, I'm at a loss.
Rigby
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7th Jun 16 at 18:17   View User's Profile U2U Member Reply With Quote
changed the the dizzy and rotary arm all ready mate and the spark is pretty decent

 
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