Questions & Answers for: Volvo idle surges

...idle w/o AC the engine rpm repeatedly drops to approx. 500 then surges to 1200. If lights are ON the lights dim at rpm decrease and return to normal at surge. If AC is under load the surge does not ...

2000 s40 has erratic idle. Feels like it's surging This seems similar to a Volvo C70 which i have worked on......the fault was the Mass Air Flow Meter was faulty........does it do this in all the ...

...solenoid. If I replace this part will it make my car stop surging while I drive or while I am in idle? Or do I have another problem It is very possible that it will. With a faulty CMP sensor it ...

2000 s70 is surging but idles fine. I think I need to replace the fuel filter. Are there any other possibilities I should look at? I would replace the fuel filter, air filter, and plug wires, that ...

Occasionaly has flat spot off idle. Throttle is depressed,car will not move and then surge forward. could be pedal controls under the dash as its a fly by wire system

...surges on take of Faulty idle speed stabilizer.Take it off and clean it with a non-chlronated brake cleaner and wire brush this is alot cheaper than a new one which is $246.79 at www.rockauto.com ...

...surges at idle and you mention that hard brake pedal application causes the surge as well, along with the knowledge that the engine was recently replaced, I'd be looking for a vacuum leak somewhere. ...

...surges at idle. Tach remains at 7500 rpms but you can notice the surging by the dash lights flickering and sometimes a noticable jerking motion it better not be at 7500 rpm, that will blow the motor ...

01 volvo s80 t6 surging when at idle, cleaned Electronic Throttle Control and it got better. Unpluged the map sensor whil running and nothing happened. No change in engine running at all. Shouldn't ...

...surges at idle. starts and idles great until it warms up and the rpms drop to about 750 just replaced engine and cleaned ETC module. what could be causing the surging at idle after warm-up. sometimes ...