03 cobra vacuum leak

[mws221987]

Ok so I've just installed my long block
With a remote tune from Amazon.
And the car idles rough for 3 to 5 seconds
And dies . rpm's start at 1000 then start dropping
To 500 . vaccum starts at 15 then goes to zero . I've smoke tested the car from the boost port . and top port
With no leaks . could my tune be causing this problem?
I did change my fuel pumps from 2 255lph to 2 340lph pumps . engine specs comp cams stage two blower cams
2.3 Whipple gen2 3.0 upper stock lower
Mafia interface stock needle
Aeromotive sealth 340 pumps
-8 feed -6 return
Aeromotive pro series regulator
Mac LT's front o2 sensors

 

[cj428mach]

I'm sorry to hear Amazon is your remote tuner, its going to be very difficult to get help from them.

 

[TRBO VNM]

OP, aside from the engine, did the injectors or MAF change? I see you have a mafia, what is stock needle?

Did you have a return setup before?

 

[mws221987]

OP, aside from the engine, did the injectors or MAF change? I see you have a mafia, what is stock needle?

Did you have a return setup before?

Stock intake , stock maf , 60lb injectors

 

[mws221987]

I have a old tune from when I first bought the car.
But that tune is open loop, with different cams, and a single blade throttle body . you think I could plug that in and see if it's run? And it had GT pumps now it has aeromotive 340s

 

[mws221987]

Well I plugged my old tune in to the car and it starts right up .idles fine still no response from Amazon Tuning.

 

[TRBO VNM]

I'm sorry to hear Amazon is your remote tuner, its going to be very difficult to get help from them.

Well I plugged my old tune in to the car and it starts right up .idles fine still no response from Amazon Tuning.

see above quote