Volvo 240 1989 Service Manual page 23

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G.ntlrs/
Fuel svstem LH2.4 - 240
Group 20 General
Wh en tracing en gine malfunc tions alw ays perform the following checks b e fo re carr ying out any fa ult diagnosis o f
the LH-Jetronic sys tem :
•
• , i t
Mechanical
- compres si on
- valve clearance
- vacuum hoses ana connections
'/
w..
: .1 -,1 .
...
. .
/._
' ."
......
"
.. . ...
,
.•.
,.
.
- throUle control
- air clean e r
(
Electri ca l
- sp ark pl ugs an d HT lead s
di stri but o r cap
- ali
el ectr ical 'connect ions
Em ission controls
- crankcas e ve ntilation
- evapora te c ont rol sys tem
21