I have a 1985 Buick Riviera. Everything but the transmission is new. When I slow down and come to a stop at a stop light, the engine tends to race and I have to ease off the brake otherwise it will stall. Why does this happen and what can be done to eliminate it?
Idle on 1990 Buick Riviera
by RMatthews in Fort Worth, TX on April 10, 2009
ANSWER by dandd on April 10, 2009
I would check your Brake booster. It may have a vacuum leak that is allowing your engine to race. When you take your foot off the gas, it closes the booster's valve and shuts off the vacuum leak and then your engine may idle more normally.
...ut in 1st gear, as well as drive, and the car died. Its happened 3 times, and not sure y. My idle seemed low and sometimes it would die when comin to a stop, i adjusted the idle screw on carb t...
The mass air flow or crankshaft position sensor may fail causing the engine to intermitten...
car has about 110,000 miles has only stall 4 times in 2 months
I start the car but it will shut off if i dont hit the gas, what can i do in this situation?
recently cars computer was read and several codes spit out. The first thing that showed was Quad Driver Failure followed by 101 mass air flow censor, 131 o2 cesor, 1670 Quad driver modular, 626 ve...