)
T
Fault diagnosis 21
Starter motor ((/rns cngino slowly Parti ali V disch~rilcd b
sian) Ballerv terminals loosc or COli oded Batte.v earlh 10 body delcctrvc Enuine ear th s tr,1p loose Slarle. motor (or solenoid) wiling loose Slaricr mOlr ill1crnlll laull (see Chaple. 12)
Engine ((/"'S normally but 1,1ils ( 0 SIMI Damp or dirlV HT !eads
check 10 ' sp
regnp) Olher ignilion syslcml",,11 (~ee Chapler II) Olhel luel sySlem 11Ildl (se c Ch"plm J) POOl compression MaJOf mechanic;1 1 l
Ellgine lires but will not fUll In su!hcicnl choke (cold flfl!)lIln) Arr le"ks al CilrUurC110. 0' mlill m;1",lolli FuClI sta,vatlon (sec Ch"111C' 3) []"lIast rCSIStor de!ecllvn. or OIlier 'H",II
fngine culS out suddenly -ignition I,wlt Loose or d'$Conncetcd l T wi.es WCI HT Icads o. d'S I"buiOI C;1P ("lIer tr;1VC'SOll!) w;1'er spl;1sh) Co,1 o . condenser lallulc (cheek 10' SI);lIk) Olhc. ignition laull (see Ch,'plfll 4)
Eflgine mistires belore CUlling oul IlIcll,wlt Fuel I,,"k Cillply Fllel pump dClfecl1vc o. 1,ltcl IIlo .; k(H! (dwck 1m dellvl"V) Fuel tank hllcr vcnl blut;kcd (StII; llon Will II" flV,{Io"'1 Oil lI~h"'~II'H C,11l) C;1llJulCIIor nccdlc v"lvc SIII;klll!J (WIU.'1I1 "ppI1c"hle) C,1lUwellor leiS blocked (ha:l COIII,lIl1ln,Hcll) Othcr lllcl sys!Cm l
DISCHARGED
BATTERY
lSin.MIN
POSITIVE
JUfl11) Slart lead conneClions f o r neg!Hive earth vchiclesconnect le;1ds in orde r shown
fllgine euls Ol1t -olhor eimses SCIiOliS ovcrhC~ling Mnior mcch
Engine ovcrhe
Igllitioll (llo-clwrgcj wt1fllillg IigM illuminated SI;1ck o. broken d"vchelt felCn$IOIl 0' Icncw (Ch;1ptr,r 21
Ignitioll warning light /lot illuminBted Coollllll loss .Iuc 10 In!emnl 01 CXierr'JI ICJk
NOIC: Do 1101 ,11M coM WMCf 10 ,111 oV~-f/"'.I(C(1 ~·lIy"'., Of d,,,",l[Jf1 m,ly I/)SII/I
l.ow cnuinc oil JlfC!ssuro
G,wge reads low or warning lighl Illuminated wilh engillc
rWllling Olllcvcl low or mCOlfeel 0.,,<10 Deit.'Ctivc gllU!jC 01 sendCI 11111 Wife 10 sendCI UIII' C.1I.hC(1 Engonc ove.hC.1l ing O,lllllcr CIO!19c<1 01 byp,1SS v;1lvc delccllvc O,I ,llcssule lehef v'llve dc!ec tlve Oil pick-up strllll,e. ciomled 0,1 pUIllP WOIil or IllOlllllll1\l~ I\,osc Wo,n Ill,l'" 0' h'!J-cn(i hC.1I1I1!)s NOlO: Luw or! 1"t'HlifU III a IImh III"C"f1~" (.'IIYIIIC .J/ 11l;~()VI.'r I.~ 1101 1II.'I:<.'",.","/y,1 (.",lIlSV {o, CIIII{:"/U Suddel! fJf'~SS!lle {U$S ,11 SlIced IS {M "'/!IC SI{Jl!lflca"l (I! ,my cve/l/. .:In',·j. I/le .
Crank engine and chock for Sl)ark. Note use of il)sulated tool 10 hold plug load
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