Question - Will a direct vacuum line to the EGR solenoid cause the engine to run rich at idle? I have a 95 GTS with Edelbrock heads, intake, BBK TB, E303 cam. And have noticed the idling does surge a little bit, but just a little. Typically stays right at 1000rpms, but sometimes dips below. I have to imagine some of that is cam related. For perspective, I'm the 3rd owner on my car. All this work was done by the original owner and I'm trying to decode what was done, how, and why.
They still had the stock airbox in it. So I installed a BBK CAI. When I removed the stock setup i discovered there was a vacuum harness from the fenderwell, disconnected. Had Red/Green/Tan and White. I found that the Tan and White go to the air bypass solenoids coming off the smog pump. Well I deleted the smog pump and just plugged those lines. Just leaving the red and green lines. Here is the current setup
Now the car runs fairly ok, but I do notice the idling wonders a little bit, but most of all, just seems to run rich, even for a cammed car. I have the stock fuel system with 19lb injectors, and the car is tuned. After some checklist reading today, I realized the Red needs to go to the intake and the green needs to go to the EGR
But with its current configuration, with the EGR hooked directly to the intake, will that cause it to be Wide Open all the time? Can that cause any rich conditions or poor mileage? I've read a few suggestions here that it could cause a lean condition too. One additional thing I noticed. I installed a new PCV valve, (had a spare in box but I think original was fine) and also a Steeda oil catch can I had in a parts box. Its my first catch can, but was a little concerned I caught this much in my first 20miles. Is this normal? Or indicator the car is running too rich? Or maybe something else?
They still had the stock airbox in it. So I installed a BBK CAI. When I removed the stock setup i discovered there was a vacuum harness from the fenderwell, disconnected. Had Red/Green/Tan and White. I found that the Tan and White go to the air bypass solenoids coming off the smog pump. Well I deleted the smog pump and just plugged those lines. Just leaving the red and green lines. Here is the current setup
Now the car runs fairly ok, but I do notice the idling wonders a little bit, but most of all, just seems to run rich, even for a cammed car. I have the stock fuel system with 19lb injectors, and the car is tuned. After some checklist reading today, I realized the Red needs to go to the intake and the green needs to go to the EGR
But with its current configuration, with the EGR hooked directly to the intake, will that cause it to be Wide Open all the time? Can that cause any rich conditions or poor mileage? I've read a few suggestions here that it could cause a lean condition too. One additional thing I noticed. I installed a new PCV valve, (had a spare in box but I think original was fine) and also a Steeda oil catch can I had in a parts box. Its my first catch can, but was a little concerned I caught this much in my first 20miles. Is this normal? Or indicator the car is running too rich? Or maybe something else?