I own a 91 VW van and it had a factory 1.8 carbed 8 valve in the van.
I swapped a 1.8T into it this last year. I used a donor car, 2000 Jetta, so I rebuilt the motor, n the swap has the same computer and wiring harness.
The motor is running and so far, so good, but a few hickups to get strightened out.
First. I threw a inline fuel pump with a fuel pressure regulator on it. The pump is so noisy. Is that normal? I am building a new gas tank and thinking of using the original fuel pump. Any ideas? I was wondering if I could just hook up pos n neg to the jetta pump n turn it on with the ignition?
Another thing. When I am on hte highway, and go for 20 to 30 minutes, I stop and then the car goes to idle and then does not want to push the car. It runs but dies wghemn you put the pedal down. If I wait a few minutes, it starts right back up and goes normal again.
The last hickup is when I stop at lights or stop sign, the motor stalls. It starts right back up, and runs great until I stop again. I checked the vacuum leaks but I am only running vacuum to the POV and the fuel pressure regulator. The motor is basic, no smog lines, as I live in Mexico, and not required.
As you can tell, I am not a mechanic. I do love my combi and would like to try to get these things fixed.