1.4 bar low boost and recent owner impressions

Dan Cordon cord4530 at uidaho.edu
Wed Jan 28 13:19:22 EST 2004

I've been following this thread, and if it were me, I'd be doing the 
same things that have been suggested. Minus one thing.... Diagnosing the 
low boost condition is tedious, so I'd want to check the actual boost 
level before diving in to the troubleshooting.

Even if you don't make a permanent home for your boost gauge, it may be 
well worth your time to T in to the feed line for the ECU and measure 
what pressure is getting there. If it's seeing something in the 10 psi 
range then you're boost is just fine and it's the display that's at 
fault. If it's in the 5 psi range, then you know your digital display is 
okay (even if it's got horrible response time), and it's time to 
continue with the troubleshooting.

The few times my car has gone in to *low boost* mode (~1.3-1.4 bar I 
believe) I can tell instantly. I don't think the 20V is all that fun at 
1.4 bar, which makes me wonder....if it really is fun, then you may be 
getting full boost already.

Dan Cordon
Mechanical Engineer
University of Idaho - Engine Research Facility

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