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View Full Version : Loss of Power Boost?!?!?



BanksPower22
06-08-2007, 22:39
I have a 2005 2500HD duramax. I've had the banks 6 speed loader with the pda touchscreen for over a year now with the exhaust & intake. Just today, my check engine light came on and I ran the code search with my pda and it gave me 3 errors. 2 of the 3 are fine, I just had to clean the air filter.
The 3rd, turbo under powered - I cannot get over 9 lbs of boost. I've checked all the tubing/connections/bolts, everything is good. Any idea what this might be? The only other thing I can think of is the stock actuator?!?!
Any help/ideas are welcome! Thanx

More Power
06-08-2007, 22:58
Welcome to the board!

A Tech II scan tool can be used to excercise the turbo vane actuator and check the vane position sensor. Do this if cleaning the MAF sensor doesn't help.

Jim

Kennedy
06-09-2007, 09:06
It could also be the aftermarket device altering the signals back to the ECM. Try running it stock and see if the codes come back. Also check the MAF sensor for oiling and clean if necessary.