1999 Pontiac Sunfire "erratic revving" Questions

...until higher gears Starting about a week ago, about half the time I start driving, the engine revs erratically while the car moves very slowly. Once I get into higher gears, the problem goes away. ...

Peugeot 406 over revving My Peugeot 406 has been revving erraticly for some time now. On some days the problem is worse but there is no pattern to it. idle air control valve

My '04 blazer has been revving erratically when I start it. Goes back to normal after a couple minutes of warming up, but when I drove without the warmup it was revving up on its own even when I h

Our Daewoo Nubira 2004 Estate is revving sporadically and erratically up to 4000 revs when in neutral and when driving. We have been told we need a new throttle body....?? any other less expensive ...

...erratic revving, and also a stuck throttle cable/body as well. Take a quick look at the throttle body and move it by hand to watch the cable action, this will quickly tell you if it is the problem. ...

...revving,its a 1999 peugeot 206 1.1, mostly sits at 3000rpm but is quite erratic, help plz Check the fuel pressure regulator for to much pressure.Pull the vacuum hose off the map sensor and if fuel ...

erratic idle have a 1993 jaguar xj6 4.0. put a new set of catalytic converters on and the idle started going up and down. can not test on dyno because the rpms go up and down in the 1500 range Sounds ...

94 s10 4x4 4.3L TBI. rough idle and power loss idle is erratic at times and nearly dies, when revved up while idle is erratic, it takes 5-7 seconds to return to idle, otherwise it returns normally. ...

...engine. problems I have been recently experiencing engine stalling problems, engine tends to work erratically by revving on its own, and hard starting when hot. I am operating in the tropics where ...

...revving up my car would go if I wasn't pressing the brake. It has stalled twice and there's definitely an issue. No eng light has been shown. Throttle body, fuel filter??? Any help ...