Idling

This topic has 19 replies, 12 voices, and was last updated 6 years, 8 months ago by Graham Mitchell.

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April 4, 2018 at 8:46 PM #85536

rs_nay
Participant

UK - England

Posts: 45

Just wondering if this is sitting right at idle… Just seems a bit rough most of the time really and could do with another 1-200 rpm to keep it smooth!

66′ Nitrous Blue RS

April 4, 2018 at 9:12 PM #85542

yorkirs
Participant

UK - England

Posts: 781

Mmmmmh, the words rough idle jump out here, what’s the coolant level like, don’t want to set hares running but could be early head gasket failure ( coolant leaking into cylinder)

hope not but possible.

May the Ford be with you

April 4, 2018 at 9:22 PM #85544

rs_nay
Participant

UK - England

Posts: 45

Yeah ive had the pressure test which passed… Coolant level doesn’t seem to have moved either this is whats throwing me? Booked in end of April for HG replacement!

66′ Nitrous Blue RS

April 5, 2018 at 9:32 AM #85577

Naylor92
Participant

UK - England

Posts: 91

Pretty sure that’s normal idle revs on the picture you’ve put up.

April 5, 2018 at 10:38 AM #85583

smokingkills
Participant

UK - England

Posts: 132

That’s normal

April 5, 2018 at 12:18 PM #85591

red-leader
Participant

UK - England

Posts: 2491

Mine is the same, has never stalled whilst idling.

April 5, 2018 at 5:08 PM #85614

MagneticRS
Participant

UK - England

Posts: 6

Mine idles at 750 rpm and is smooth unless I have to put emergency 95ron fuel in and then its lumpy.

Mine likes V Power and Tesco Momentum 99…….. silky with either of these.

April 5, 2018 at 5:14 PM #85615

RSGAZ
Participant

UK - England

Posts: 251

Normal

April 5, 2018 at 8:59 PM #85648

Sherbett
Participant

UK - Wales

Posts: 82

Mine does exactly the same as you are saying but I have had the head gasket work done. I was putting it down to the mountune kit possibly because of the k&n air filter messing with the cold starts.Also I have managed to convince myself that it’s got worse since having the head work done.

April 5, 2018 at 9:03 PM #85649

rs_nay
Participant

UK - England

Posts: 45

Thanks all!

@Sherbett ahhh interesting! And you’ve had the HG done. To me it varies and doesn’t do it all the time! Just don’t know what to think. I’m going to get Ford to see what they say when it goes in for HG!

66′ Nitrous Blue RS

April 5, 2018 at 9:21 PM #85651

Sherbett
Participant

UK - Wales

Posts: 82

It all settles down once everything has warmed up.Maybe it’s the weather let’s face it it’s been a cold damp and long winter hopefully that will end soon and then get a bit warmer then my engine might start to behave it’s self .

April 6, 2018 at 5:07 AM #85797

RSDave
Participant

UK - England

Posts: 236

Mine idles at about 900 but i think it depends on weather temperature and the fuel

April 15, 2018 at 11:08 AM #87040

guestyrs
Participant

UK - England

Posts: 14

Hi, my engine makes a sort of shorting noise when idling, is this normal.

its nothing to do with head gasket because mines just been in and had new head and gasket and it made this noise before and after. The revs are fine just a bit noisy.

Thanks

April 15, 2018 at 9:15 PM #87106

rsdani
Participant

Italy

Posts: 23

Hi rs_nay, apparently it’s normal. I had the same concern from day one and in fact, went back to my dealer. I was told that the rpm at idle is so low in order to meet some emission standards… whatever. In theory the ECU is adjusting the rpm based on the weather conditions but I never felt so. I did more than 6000 kms in both high and low temperature, with and without air-conditioning but mine always does this “rough” idling. It is very annoying but I got used to it. The funny thing is that when I engage the clutch and put it in first gear the rev goes up by 1-200 rpm and it runs super smooth. I had some petrol cars but never had the same issue, it seems to be RS specific 🙂 A custom made tune could easily fix this problem.

April 22, 2018 at 3:01 PM #87690

Graham Mitchell
Participant

UK - Scotland

Posts: 60

any one have any ideas had the new head gasket fitted about 5 weeks ago first 3 weeks all good on start up with new gasket now into about 5 weeks now,start the car in morning all seems fine let it go threw heat up stage, go a short journey about 15 mins drive,stop the car go into parents house come out after 2 hours and start the car when I start the car can hear what sounds like missfire under the start up when revs drop after about a minute missfire stops all collant level are good not budged monitoring it every few days all temperatures are fine.anyone with any ideas?
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