Toyota Celica Supra 1986 Service And Repair Manual page 26

EM·4
ENGINE MECHANICAL - Troubleshooting
TROUBLESHOOTING (Cont' dl
-
Pca1.,_ C~tW~e
A.mecty
.._
b CINtYI Otf COI'I.Sump-
Vetve lttm and guide worn
CMc~
volv01 EM·18
lion
Valve Item 1111 worn
c ....
~
... ,.
EM· 18
Poor gNotint mileage
Fuel leak
Atptlr •• neceuery
Air cleaner cloogod CMck air cleaner
lncouect ignllloo tlmtng AtHt dming
IG· IO
EFI evstem problems Rtpalr 11 neceuery
•
Injector faUih.y
•
Deee .. redon
fu ..
cut system faulty
-opeedtoo~ Chicle
tSC
system
fl.80
Sp<uk
1J1u90
lwlty
lnlptC1
pfug.J
IG· &
eGR l';ltl m lii' W IVI on CM<:kEGRayatem
low eompteatlon
Check
compression
EM·8
Tire• improperty Inflated lnfhne tlrea to proper pressure
Clutc.h slips
Troubleshoot clutch
Brakes
dr~ Trouble~hoot
btakes
U"pltNint odOf lneorre<:t idle apeed
Check ISC system
fl.80
Incorrect 9'1ition timir.g
-
Reset timii\Q IG· IO
Vacuum . . . ,
Repair •• necess.atY
•
PCV hoMo
•
EGR valve
•
lnteke manifold
•
Alr intake ctlamber
•
Thtott!At body
EFI
svttem
probklms
Repair •• necesury