Hello, I have a 1990 model with only 100,000 original miles. The previous owner took pretty good care of it. It was running great untill about two weeks ago. It idles fine, and drives if you barely give it gas. Once you step on the gas, it boggs down, and barely goes. It even bogged, and cut off once. I have changed the
Fuel injectors
fuel pump
fuel filter
maf sensor
air filter
oil, oil filter
and idle air control. I checked the fuel pressure, and it was normal. The coil pack was also changed before I got it. I took it to someone to read the codes, and he said he didn't get any? My brother said he checked the comp and fuses, and that was all fine. The only thing I can think to check is for a vacuum leak. What do you guys think? Thanks.