#11788, "RE: '93 TSi AWD - Bad idle when cold" In response to In response to 5 Feb-24-04 08:35 AM by HybriDSM
Caps go on every single 1g. The TB sensors tend to as well. All of them should be checked. If the ecu smells like fish, you know you are leaking. Also, if you can take the ECU out and look at it, do so. Sometimes the smell isn't pronounced and you'll see the leak. That happened with me.