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Author Topic: Erratic boost indication on DIC  (Read 925 times)

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Offline DickW

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Erratic boost indication on DIC
« on: June 20, 2011, 04:25:55 PM »
Occasionally the DIC shows 0 boost even though I have plenty of power. Not limp mode. No codes. After a key cycle or two it is back to normal.  Any suggestions.
08 Cool Gxp, XM radio, Monsoon Package, 3M Clear bra. Vertical doors, Solo Mach and  3 inch Cat. GMPP turbo upgrade, DDM Race Backbone and Probeam

Offline Arabas

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Re: Erratic boost indication on DIC
« Reply #1 on: June 20, 2011, 04:40:03 PM »
something must be wrong with the circuit going to the DIC. have you seen abnormal behaviour in the other DIC indications?

could you request by a dealer to have the instrument panel replaced under warranty?
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Offline spicy3480

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Re: Erratic boost indication on DIC
« Reply #2 on: June 20, 2011, 04:51:35 PM »
I have read that sometimes this can happen if the boost read is more than the computer is set to read as max.  You might have had a spike in boost, the computer saw it and shut down the DIC for a minute, and then it comes back after a little while.  I have had this happen as well after a high spike in boost.
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Offline DickW

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Re: Erratic boost indication on DIC
« Reply #3 on: June 20, 2011, 06:19:38 PM »
No other abnormal indications. This happens even when boost should show 5-10 psi. Not after really getting on it.
08 Cool Gxp, XM radio, Monsoon Package, 3M Clear bra. Vertical doors, Solo Mach and  3 inch Cat. GMPP turbo upgrade, DDM Race Backbone and Probeam

Offline Treeman

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Re: Erratic boost indication on DIC
« Reply #4 on: June 20, 2011, 06:21:07 PM »
It needs Viagra!
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