Having timing issues with my car. Not a huge electrical genius so be gentle please!

 

The timing is set to 15 btdc after I rebuilt the engine a couple months ago

 

when i start it, It can't hold it's idle and dies if i leave it, but if you hold the throttle open and steady it's revs it runs fine, but the timing is jumping all over the place

 

Now when i crank to start it runs 15 fine, but once started and still warm the timing goes completely erratic, going to 40-50 to maybe 20ish but never settles back to 15.

 

 

Is this a CAS issue? Has a speciality Z chip so can't imagine that's at fault. Or maybe something else to blame?

Edited August 5, 20178 yr by Danny0432

Is this timing from the conzult or actual timing?

Edited August 4, 20178 yr by Alic

that's the timing using a timing light. I have datascan and want to check but laptop died a few days ago so need to get a hold of one to check what it says

Am I reading correctly that you are setting the timing while starting the engine?

 

Has the timing belt been replaced recently? Is the cas lined up near the middle of the bolt holes?

sorry wrote that out wrong will edit, i was checking it and came at 15. Also a week or 2 ago checked it via datascan and was saying 15.

 

Engine has been fully rebuild so new belt, idlers, tensioner etc and CAS is pretty much in the middle yes

As alluded to earlier, it is only safe to check the physical timing with a strobe when the engine is at "fully working" temperature and at idle.

15 btdc (Manual gearbox)

This is when datascan will also indicate the 15 deg timing figure when at working temp'

It is not unusual for the timing to advance once the rpm is increased as it is linked to running/engine conditions, you just need to establish the idle timing first.

Will she not idle at say 800rpm when fully warm?

no it stumbles and dies. checked over all hose and all looks ok. going to make a smoke tester to try see if there's any vacuum leaks when I get a chance. made a boost leak tester and found some small leaks that have been sorted

This might help..

 

http://z32.wikispaces.com/Idle+Control