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rough idle when cold

  • oxford_bloke
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16 Jun 2015 19:44 #146101 by oxford_bloke
rough idle when cold was created by oxford_bloke
as the title says really. a bit of background to help diagnose the fault. The car has been off the road for about 4.5 years the last year i have fired it up once or twice a month with no issues. the last week i have been tinkering under the bonnet installing cables for my winches. when i fired it up yesterday afternoon it was running very lumpy and the rev counter bouncing everywhere with an EML and the same today. After having a look round i noticed that what i think is the PCV (blue cylindrical with two pipes) had become disconnected from the rocker cover. i connected it back up and still having problems. Once it has come up to temp it appears fine. I have been unable to drive it as it is still off the road. the engine in question is the G13B

any help please

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  • oxford_bloke
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18 Jun 2015 09:03 #146201 by oxford_bloke
Replied by oxford_bloke on topic rough idle when cold
anyone, im thinking IAT or MAP sensor

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18 Jun 2015 21:06 #146257 by kirkynut
Replied by kirkynut on topic rough idle when cold
I think I would be inclined to do nothing until you have it on the road and then drive it regularly and see if the fault corrects its self from regular use.

I say this as I wonder if it's a problem with the valves rather than an electrical item. The valve clearances will close up when warm you see.

If it was ok when last used I anticipate it will resolve its self.

Kirkynut

The underdog often starts the fight, and occasionally the upper dog deserves to win - Edgar Watson Howe.

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