Engine Driveability - Engine stalls during over-run conditions
Models:
Corsa-B 93.5-98
Engines:
1.4 l
Option:
C14NZ, X14SZ
Group:
J - Engine
Troublecode:
Non
Complaint:
Poor Engine Driveability
After cold starting (temp. -10 to + 10�C), within a few kilometers, the engine stalls during over-run conditions (up to approximate engine coolant temperature of 50�C).
Cause:
Throttle blade freezing that leads to reduced fuel supply.
Production Solution:
Special part:
No
Remedy:
Add a drilled hole to throttle blade.
In case of complaint follow the instructions:
-����� Remove throttle body.
-����� Remove top section of throttle body.
-����� Fix bottom section with two long screws in a vice.
-����� Mark the throttle blade approx. 4 mm from the edge, on the center line of the blade. Provide a drill center mark with the point of a scriber.
Note: Do not center punch the throttle blade, it`s made out of a soft aluminum andcould suffer deformation.
-����� Drill hole (C14 NZ 1.5 mm drilling)� (X14 SZ 1.8 mm drilling)
Note: The hole must be in the correct position, otherwise the stalling problem will not be fixed.
-����� Clean all the parts and reinstall using new gaskets.
The idle speed for the X14 SZ must be increased by 75 rpm using Tech 1 or 2.
Labour Time:
T 0561 00����������� Remedy for throttle valve freezing�������������������� TC:��������������������� 90�������������� 0.7 hrs
��������������������������� +: MULTEC injection box r+r
The regular warrenty procedure should be used for claiming Set-Up time.