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Please play nicely.  No one wants to listen/read a keyboard warriors rants....

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Author Topic: Auto Choke  (Read 871 times)

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shanless

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Auto Choke
« on: 04 January 2013, 02:14:17 »
When I start my 2.2 petrol from cold it splutters as if it has a choke problem...after a few minutes of running the splutter clears and it runs perfect....all help welcome

    Kevin
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tunnie

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Re: Auto Choke
« Reply #1 on: 04 January 2013, 08:38:51 »
Are you loosing coolant?
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SIR Philbutt

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Re: Auto Choke
« Reply #2 on: 04 January 2013, 21:37:37 »
Check for water in plug wells - from leaky windscreen scuttle
or oil  - leaky cam cover gasket

HTH
Phil
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PhilRich

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Re: Auto Choke
« Reply #3 on: 04 January 2013, 22:26:56 »
Mine has done since I bought it 3 yrs ago! I've never cured it despite renewing cam & crank sensors (genuine GM) had a head skim, gasket & head rebuild, new timing belt & tensioners, new water pump, new MAF, regular breather/throttle body cleaning , etc. etc; (none of the above done specifically to cure the aforementioned, but none cured it either!) It only does it for a few minutes/miles from cold before running normally with no ill effects even over time, so i'm now convinced it's ECU/fuelling/software related and it no longer bothers me! ;)
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shanless

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Re: Auto Choke
« Reply #4 on: 05 January 2013, 01:23:34 »
Hi guys..thanks for your replies....coolant ok and no water or oil in the plug wells....it's annoying that I can't get to the bottom of this as I want to sell the car...it was ok 'til about 2 months ago.. ???
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kevin xf

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Re: Auto Choke
« Reply #5 on: 05 January 2013, 09:25:48 »
My 3.2 did that.  Turned out to be coil pack.   
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TheBoy

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Re: Auto Choke
« Reply #6 on: 05 January 2013, 09:44:25 »
CTS working OK?
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shanless

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Re: Auto Choke
« Reply #7 on: 05 January 2013, 20:24:46 »
excuse my ignorance....but what is CTS ?
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Andy H

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Re: Auto Choke
« Reply #8 on: 05 January 2013, 23:10:26 »
Coolant Temperature Sensor.

If ECU doesn't know that coolant is cold it won't know that more fuel is needed.
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