Difference between revisions of "Boost gauge problem"
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Revision as of 01:32, 3 January 2008
For the forum thread on this topic See here.
The Problem Your boost gauge gives strange readings. The needle may point straight up, or not reset to zero boost at tick-over. You've listened to the engine and the whoosh from the turbo sounds normal. You've not got over-boost or exhaust issues but the gauge is just acting crazy. Looks like you've got an earthing issue.
The Solution You'll need a Philips headed screwdriver to tighten the lose earth wire. The wire you need is hiding under the turbo transducer, to the top left of the engine bay (when stood by the headlights looking back) over the right front wheel arch, as shown in this picture...
(Thanks Sy for the engine bay shot)
Find the wire, clean the spade on the end and tighten up the screw. Even if only slightly lose you'll get erratic readings. Once tightened up, close the bonnet and test the car. Isn't it nice to solve something that easily.
Caveat If this doesn't stop the quirky behaviour of your boost gauge, you better hook up Elanscan and get yourself to as quick as you can.
