Did anything change around the time that you started having the problems?
These shops that you brought it to....are they turbo Buick shops? It makes a difference,
Hmmm, let's see....These parts, they were installed after you started having problems, right?
The new parts may make it more difficult to trouble shoot.
TPS, was it just thrown on, or was it set correctly? Probably not the problem.
Chip....does it have a stock setting? Does it act up when running all 6 settings?
O2 sensor, probably not the problem.
Fuel pump hot wire, a good addition, but again, probably not the problem. Do you have a fuel pressure gauge? Do you know what the fuel pressure is set at? Does it rise with boost? Original pump?
Mass Air Flow, where did you get the replacement? The remans can be a crap shoot.
Has anyone checked/adjusted the cam sensor?
Any leaks in the intake hose?
Where are you located?
__________________
Brian
Keep it shiny side up, but show them your dirty side once in a while.
11.3@123mph on 195/75/14" whitewalls. Yes, 195s!
11.2 on the big giant slicks. What's the point? Maybe I'll go back to the whitewalls. They are lighter and have less rolling resistance.
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