Why do my headlights go up and down?
Infact I think that blower unit will need power, so the altnernator has to turn faster and add to that the load of compressor, so the rpm must increase. Our headlights are 55/60W but still the rpm will go up for a couple of seconds and then come below normal.
Why does the engine stall when I Turn on the headlights?
Sounds like the head lights are stealing ground from another circuit cause the car to shut off. Do you have a multimeter to do some testing? helpful? Yes I do. As a matter of fact I check the alternator and battery first. helpful? Do you have daytime running lights? helpful? No daytime running lights or fog lights. helpful?
Why does the RPM go up when the car is idling?
We are facing a similar issue with Baleno. Whenever we switch on AC at idle, initially for a couple of seconds, the rpm will go up and then its a bit below normal. Similar activity takes place when we switch on AC when the car is idling.
Why does idle speed go down when AC is on?
The ISC is what the ECU uses to maintain the idle speed when the AC kicks in or the power steering pump drag the idle speed down. You also need the IPS inside the 2G TPS to be correctly set so that the ECU knows that it’s idling.
Infact I think that blower unit will need power, so the altnernator has to turn faster and add to that the load of compressor, so the rpm must increase. Our headlights are 55/60W but still the rpm will go up for a couple of seconds and then come below normal.
Sounds like the head lights are stealing ground from another circuit cause the car to shut off. Do you have a multimeter to do some testing? helpful? Yes I do. As a matter of fact I check the alternator and battery first. helpful? Do you have daytime running lights? helpful? No daytime running lights or fog lights. helpful?
Why does my RPM drop when sitting idle at traffic lights?
While I’m sitting idle at traffic lights I put the car into neutral. The engine stays idling at about 1000 RPM. However every now and then it drops down to about 500 RPM and then quickly back up to about 1200 then goes slowly down to 1000 and stays there for a bit until I go again or it drops again.
Why does my engine rev up when idle?
If gunge builds up on the butterfly valve, it can restrict the air required for a smooth idle when the butterfly is closed, so the engine ECU needs to open the Idle Air Valve more that it thinks it should have to and you get into a cycle of surging revs.