[Shop-talk] Oil-pressure gauge goes nuts on Suburban.

[Ronnie Day]

Does this thing have a sending unit? If it does, the sender could be bad.
Curious to find out what the problem turns out to be. We have an '02
Suburban with the 5.3 LS series V-8.


On Sat, Dec 14, 2013 at 12:46 PM, Jeff Scarbrough <fishplate at gmail.com>wrote:

> I'm going to cast my vote for a short somewhere...
> On Dec 14, 2013 12:57 AM, <pethier at comcast.net> wrote:
>
> 2004 Chevrolet Suburban.  Picked up my truck after it had been sitting out
> in the 11-degree-F cold for a while.  Started OK.  The oil-pressure gauge
> was pegged WAY past the end.  Stopped the truck after it was warm and went
> into a store.  Came out and turned on the ignition.  Needle went to full
> scale.  Started the engine and needle went to full-on pegged again.  Stayed
> that way until I shut it off in the garage.  Needle went to zero.  Ignition
> on, back to full scale.  Restart engine, back to superpeg again.
>
> All the other gauges seem to be acting normally.
>
> Anybody else ever seen anything like this?
>
> Phil Ethier West Side Saint Paul Minnesota USA
> 1973 Triumph Stag LE22439UBW "uncle jack", Sapphire Blue
> 2004 Suburban 8.1, Sport Red, the only automatic of the bunch
> 2005 Lotus Elise, Bordeaux Red Pearl
> 2007 Saturn Ion 3 2.4, Berry Red
> pethier at comcast.net
> http://www.flickr.com/photos/pethier
> http://www.flickr.com/groups/triumphtransamerica
> http://www.mnautox.com
> http://www.mntriumphs.org2004 Suburban.
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