75 / 2.0 FI
Backdated exhaust.
Motor recently rebuilt (so recent, car is still in the shop being tuned).
Shop is saying to me:
1 Cold start - fires right up - runs perfectly while cold
2 Mid Range at idle - runs rough - wants to stall
3 Warm at idle - runs perfectly
Will know more later today, they can only see the issue for about the four minutes it takes to get warmed up. So they only have a short window to make any adjustments.
New hoses all around, new fuel pump and filter, CHT, there isn't much that isn't new - exception Dizzy, and most FI parts (MPS, etc.)
Just tossing it out there in case anyone has any thoughts I may be able to pass along.
Thanks,
Len
Check the number on the ECU and the number on the CHT, make sure they match.
Rich
This is an excellent resource for D-Jet troubleshooting.
http://members.rennlist.com/pbanders/DJetParts.htm#troubleshoot
My 74 2.0L experiences the same issue. Part of this is simply known issues with the D-Jet injection on the motor. There is a spacer that you can get from 914ltd http://www.4wts.com/media/?a=pp&id=1383596889&fid=1351569425&t=l that helps with the warm-up issue. I put one of these spacers on my car and it is certainly much, much better. It used to want to die when pulling up to a stop sign during warm up but now it does not. I still have some idle surging between 600-1000RPM during warm-up but once warmed up it is rock solid 900-950 RPM.
Read the whole pbanders site above and make sure you have matching parts in the tables that he put together.
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