Back from the dead. Retired and put car in storage for the last 2 years. . Just started it and still will not stay running without feathering pedal.. Have not performed boost leak test but engine is never in boost just trying to get it to idle. Open to any ideas of troubleshooting this thanks

Sorry for the long delay been busy. Purchased a new MAF and installed. Tightened and re-clamped all intercooler piping, engine now starts but will not idle, can feather the gas pedal to keep it running but runs bad ,backfire thru intake occasionally running very rich . Pulled plugs all firing...

tested and cleaned iac, tested good and operates as advertised. Haven't performed boost leak test yet will try to complete this weekend.Took a break from it for the last week Open to any other ideas to check or test thanks

with the engine dying in 2 seconds did not even consider boost leak as it s not running long enough to build boost.Engine will rev up with maf disconnected but have noticed some back firing type noise in manifold when revving it up. All connections are tight its all newly installed never been...

Thanks for the reply's . Disconnected battery ,then reconnected battery same problem, disconnected iac electrical connector, same problem, Installed afpr, set pressure @ 43 psi while running with maf disconnected (runs but stumbles) reconnected maf engine still dies in 2-3 seconds. reconnected...

1995 talon tsi replaced short block, forged internals, rebuilt head, all stock except 14B turbo and 255 fuel pump, been 10 years to get it back together. Engine starts, runs 2 seconds and dies. Replaced fuel filter, replaced fuel pump with 255 walbro,jumped fuel pump, pump works, verified...