| VB - VK Holden Commodore (1978 - 1985) Talk about anything relating to the VB-VK Holden Commodore. |

19-08-2008, 11:04 AM
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Ride: 82 VH 3.3L
Join Date: Jul 2008
Location: west NSW
Posts: 21
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202 issues
im driving a VH with a blue 202 motor, the problem i have got is when the engine is stone cold it runs great but once it reaches normal operating temperature it runs like absolute sh*t, i have fitted new plugs air/fuel filters, i am thinking that maybe the timing is out but am not sure, what do you think?
any help would be much appreciated
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19-08-2008, 04:22 PM
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Ride: VC SL/E 5.0L
Join Date: Oct 2007
Location: Normanville SA
Posts: 234
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thermostat might be shagged out. sorry but i cant give out any more info than that hahaha
__________________
A butt load... one might ask just how much can you fit in a butt?
5.0 litres of nature burning fun!
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19-08-2008, 07:48 PM
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Ride: 82 VH 3.3L
Join Date: Jul 2008
Location: west NSW
Posts: 21
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well we will give it a go ay, ill take it out and see if that changes anything.
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19-08-2008, 07:57 PM
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BURTON
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Ride: VK SL
Join Date: Nov 2006
Location: Sale, Vic
Posts: 1,204
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Doubt its the thermostate...... Does it run on/diesel (WHen you turn the car off does it continue to run for a couple of seconds).
EGR valve could be stuck open though dont think it would matter that much, bad tune, stuck choke, incorrect timing.
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19-08-2008, 09:12 PM
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Ride: 82 VH 3.3L
Join Date: Jul 2008
Location: west NSW
Posts: 21
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its leaded, i use unleaded with lead replacement additives, valve problems maybe?
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20-08-2008, 08:50 PM
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Tree cutter
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Ride: VX Calais SuperchargedV6
Join Date: Apr 2006
Location: Mt Gambier SA
Posts: 306
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Try another coil.Sometimes they only break down when they are hot.
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21-08-2008, 01:06 AM
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Ride: vx
Join Date: Aug 2007
Posts: 984
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How hot are we talking about, once its got to normal operating temp? `5mins?
Does the vh have an autochoke?, guessing it does.
It could be stuck on, would be easy to check out....lots of smoke out the exhaust when it is warm and the choke butterfly/valve closed across the throttle opening.
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21-08-2008, 02:57 PM
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Ride: 82 VH 3.3L
Join Date: Jul 2008
Location: west NSW
Posts: 21
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no smoke does kind of smell like its running a bit rich but nothing of concern and yes just when it reaches normal operating temp.
Last edited by axd52x; 22-08-2008 at 01:31 PM.
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22-08-2008, 01:31 PM
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Ride: 82 VH 3.3L
Join Date: Jul 2008
Location: west NSW
Posts: 21
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just to update you all took the thermostat out and there was really no difference although it was stuck open, is there any way of checking the timing without a timing gun?
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25-08-2008, 11:36 AM
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Ride: vx
Join Date: Aug 2007
Posts: 984
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In a rough sort of way, yes. However, timing isnt the sort of thing that needs adjustment unless the distributor has been disturbed.
Given that it is idling fine when cold, suspect a heat related issue.
Given that you have checked that the choke valve is fully open when hot?, it could be ignition related.
The electronic distributor module can give problems when hot/cold(in that hump at the base of the dizzy(check that it is screwed down tightly, or the reluctor coil could be parting company. This would all show up an an engine tuning scope if this was the problem......it may be worth getting it down to your local garage if a quick fix is wanted.
Changing the module for a known working one would be one thing to try, but they are ~$70 new, so only good if you have one to swap over with.
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25-08-2008, 06:32 PM
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Ride: Ex cop 2000 VX
Join Date: Jul 2008
Posts: 2
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"Runs Like **** when its hot."
Do you mean its missing when hot, it could be the leads breaking down, or as suggested the coil or dizzy.
If your talking about poor acceleration then have a look at the choke settings
If your running stock manifolds then they could be warping when hot (dissimilar metals) and letting air in past the inlet gasket effecting the carbie
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26-08-2008, 02:05 PM
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Ride: 82 VH 3.3L
Join Date: Jul 2008
Location: west NSW
Posts: 21
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well it could be missing but not sure, i will pick up some leads this week sometime and see if its that, how much would i be looking at for a second hand coil?
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26-08-2008, 04:43 PM
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BURTON
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Ride: VK SL
Join Date: Nov 2006
Location: Sale, Vic
Posts: 1,204
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Just buy a new coil mate, about 30 bux from memory.
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27-08-2008, 05:39 PM
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Ride: 82 VH 3.3L
Join Date: Jul 2008
Location: west NSW
Posts: 21
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not the thermostat, not the spark leads, fitted them today all they did was stop the manifold vacum gauge from jumping around.....
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