Isuzu A-4BG1T - Page 176

I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I II II I I I I I II II II II II I I I I I I I I I
12-8 TROUBLESHOOTING
UNSTABLE LOW IDLING
Checkpoint
Trouble Cause
Remedy
Continued from the previous page
OK
f
Valve clearance
NG
Valve clearance improperly
NG
L
adjusted
Adjust the valve clearance
1
1
.
OK
I
Compression pressure
.
.
Blown out cylinder head gasket
,
{
NG
Worn cylinder liner
1 Piston ring sticking or broken
NG
Replace the related parts
4
k
\
Improper seating between the
!
‘<
valve and the valve seat
‘<
i
A