1993 Ford Probe "surging 2500 rpm" Questions

...2500 RPM. But, In neutral, park, or reverse engine runs and idles OK. Sounds like a bad IAC (idle air control valve/sensor) that controls your idle when going from throttle to idle. If bad your idle ...

...2500 rpm Once warm, the engine surges constantly back and forth between 2000 and 2500 rpm. Happened once before and seemed to be coolant level related. Adding coolant seemed to fix. A year later ...

...2500 rpm. If it stop surging then you has a weak fuel pump. Change the fuel filter will also help. Also check the fast idle setting. == If everything checks out then set a smog check appointment in ...

...surging @2500 rpm when parked or when driving under a load. I have change the fuel filter and added fuel injector cleaner but still have the problem. how about the sparkplugs and the wires, you may ...

...express idle is surging after it warms up it flucuates lean/rich. failed smog at idle. passes at 2500 and 3000 rpm. replaced maf sensor, o2 sensor. still failed could be a vac leak or injector ...

...dramaticly @2500 rpm Sounds like a fuel system problem, but it's nearly impossible to tell without a computer scan. Have a competent mechanic run a scan and check the vehicle's fuel pressure. Bill ...

...surging when RPM's hit 2500. I have replaced the wires, plugs, and distributor cap, vacuum lines, fuel pump and both filters. What else could cause this problem? Please help! check for air leaks ...

...2500 rpm not all the time mostly at stop lights I turn car off wait then car performs correctly Miles? Have you replaced ignition coils recently? Pretty good chance that they could be going bad. I ...

...2500 rpm surge, and no cruise control when my pt turbo cruiser goes to 2500 rpm it surges and I have to take my foot off the gas until it goes to 2100 or below and when it does cruise control becomes ...

2500-3000 rpm if it can get there. It even cut out on me as i floored the pedal. hahaha,that is the common problem,IAC control problem & kill the ECU .u need to chnage both,after replace it u need