Omega Owners Forum
Chat Area => General Car Chat => Topic started by: TheBoy on 26 March 2026, 08:19:37
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Probably one for Mr DTM....
Freeze frame data is pretty rubbish, covering no more than batt voltage, RPM, mileage etc. Doesn't cover MAP or MAF readings or anything useful in this instance.
So I believe the -84 means its out of range at lower end, possibly short to ground?
I've looked for airleak, nothing obvious on airbox to throttle, and from turbo to intercooler, or from intercooler to manifold. Can't really check intercooler without removing. If the signal is out of range, would that imply its a pretty massive airleak?
Visible parts of loom look good.
As a general rule, the fault occurs at low RPM - 1500ish - and under very modest load in my experience, either just cruising or very light acceleration.
I hate just swapping parts, but tempted to try a new MAP/Temp sensor?