Engine Performance problem
1985 Ford Mustang V8 Two Wheel Drive Manual 135000 miles
Just a little history. The car has always been a great runner, 24mpg on the highway. The motor has about 45,000 miles since it was freshened up. I was driving at about 45 mph and lifted off the throttle quickly, after that it stalled and wouldn't idle. I had to turn the throttle adjustment screw all the way in so I could drive home without stalling. It drove fine and didn't seem to have lost any power but I know there is something that isn't right. I have replaced all the vacuum hoses I could see and checked the vacuum guage after each hose replacement. Not much improvement, so I plugged all the hoses and fittings from the intake and carb. The guage reads 15" @1000 rpm with all the vacuum lines plugged. Is that a normal reading for a 5.0 liter? I haven't removed the carb yet, maybe a piece of gasket broke off and that is where the leak is, I'll check that tomorrow. I can't really hear any vacuum leaks, last time I checked the timing I set it to 10 degrees BTDC. Let me know what you think about this, I'm a little stumped.
have the same problem?
Monday, February 23rd, 2009 AT 12:44 AM