Page 1 of 1

missing

Posted: Mon Aug 27, 2012 9:59 pm
by Vulpes
Took the staz for a short run yesterday. On the way home it started to miss on full throttle. Any ideas ?

Posted: Mon Aug 27, 2012 10:19 pm
by ProZac
Plugs should be your first port of call. Twice I've had a car develop a miss at high load, and both times it was old plugs in need of replacement.

Posted: Mon Aug 27, 2012 11:02 pm
by NXTIME
yes...mine does the same thing in colder weather and high load/boost.

Posted: Tue Aug 28, 2012 4:44 am
by OLD FART
What gap and boost are you using ?You may want to close the gap slightly.
I had the same problem with a new set of Champion Gold plugs ages ago when road tuning the TC on app 8psi + boost .(Was fine on normal everyday driving) and closed the gap to 0.8mm =end of problem :)
FWIW I now use NGK Iridium or NGK V groove plugs.

Posted: Sun Sep 02, 2012 6:07 pm
by Vulpes
Problem solved. It was the vacuum line that runs from the inlet manifold to the box on the firewall near the master cylinder. The hose was rubbing on the heatshield and it wore hole right through it. Was missing like a bugger. 2 second fix and went for an awesome drive in it today. Couldnt believe how great it was to drive it out on the backroads of kurrajong where I live. I am very fortunate to have clear country roads around me anytime I want to go for a drive.

Posted: Sun Sep 02, 2012 11:57 pm
by enthuzed
Rad, your problem was that you used Champion spark plugs!

Darryl, yes you're definitely back! That car is still in your veins.

Posted: Tue Sep 04, 2012 8:01 pm
by Vulpes
enthuzed wrote:Rad, your problem was that you used Champion spark plugs!

Darryl, yes you're definitely back! That car is still in your veins.
More like in my Dorsal vein. :oops: