hope someone can help this is driving me crazy..........i'v got a 94 b18c i put on the skunk 2 IM i'm using the stock throttle body and throttle cable set up.......when i start the car in the morning it has an eratic idle....after the car warms up i here a pop then the car idles fine.........but if you hold the rpms around 1500 the idle will jump........does anybody know what this is......i cant see it being the TPS because i'v never touch it.....any help will be well appreciated
Thanks

 

Use carb cleaners and check for a leak around the intake mani and tb.

 

did you replace the throttle body gasket?

 

yep changed the gaskets