El Andrew Gold Donating Members 2,036 Member For: 10y 18d Gender: Male Location: Canberra ACT Posted 31/03/20 06:23 AM Share Posted 31/03/20 06:23 AM Anyone seen this before? About a min after startup, idle starts hunting - sounds like it's got a big cam in it. You can see on the wideband the AFR is all over the place. Ignition timing is about -4 degrees After about a minute of that, it settles down to a steady idle and behaves itself, goes back to a more normal +15 ignition timing at idle. Has always done it occasionally but seems much more frequent lately. I should data log the cam angle sensors. Link to comment https://www.fordxr6turbo.com/forum/topic/95597-hunting-idle-after-startup/ Share on other sites More sharing options...
eff xr6t Member 569 Member For: 11y 7m 10d Posted 31/03/20 08:29 AM Share Posted 31/03/20 08:29 AM Do a log with fuel source tq source and all the normal rpm cam angle. My guess is you will see the fuel source change to cylinder cut whilst it is running like that Link to comment https://www.fordxr6turbo.com/forum/topic/95597-hunting-idle-after-startup/#findComment-1693314 Share on other sites More sharing options...
El Andrew Gold Donating Members 2,036 Member For: 10y 18d Gender: Male Location: Canberra ACT Posted 31/03/20 10:20 AM Author Share Posted 31/03/20 10:20 AM Thanks mate I'll do that and see what it shows Link to comment https://www.fordxr6turbo.com/forum/topic/95597-hunting-idle-after-startup/#findComment-1693316 Share on other sites More sharing options...
eff xr6t Member 569 Member For: 11y 7m 10d Posted 31/03/20 11:37 AM Share Posted 31/03/20 11:37 AM Have you currently got it running in open loop for tune testing? Link to comment https://www.fordxr6turbo.com/forum/topic/95597-hunting-idle-after-startup/#findComment-1693322 Share on other sites More sharing options...
El Andrew Gold Donating Members 2,036 Member For: 10y 18d Gender: Male Location: Canberra ACT Posted 31/03/20 10:10 PM Author Share Posted 31/03/20 10:10 PM Nup Link to comment https://www.fordxr6turbo.com/forum/topic/95597-hunting-idle-after-startup/#findComment-1693324 Share on other sites More sharing options...
Rob Smith Member 4 Member For: 10y 11m 20d Posted 30/05/20 10:19 AM Share Posted 30/05/20 10:19 AM check coil packs...a mate is just asking if he should replace the lot after he had the same problem and found one coil pack is crook. Link to comment https://www.fordxr6turbo.com/forum/topic/95597-hunting-idle-after-startup/#findComment-1695317 Share on other sites More sharing options...
El Andrew Gold Donating Members 2,036 Member For: 10y 18d Gender: Male Location: Canberra ACT Posted 30/05/20 11:16 AM Author Share Posted 30/05/20 11:16 AM Thanks mate. Has brand new genuine coils and was doing it with the old ones so not that in my case I don't reckon.However... I've replaced a few things as part of a refresh over the last few weeks and the issue seems to be gone. Cam sensors, crank sensor, O2 sensor and throttle body clean - must have been one of them! Although maybe it was changing the diff oil... Link to comment https://www.fordxr6turbo.com/forum/topic/95597-hunting-idle-after-startup/#findComment-1695324 Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now