ROUGH IDLING (Cant'd)
Probl .....
POlilbl.
cau ..
A.mad.,
Pa,.
Rough
idle,
811h
or
Vacuum
.. aIt,
Repeil
l'\aceuaIY
I
mitsft
(Cont'dJ
•
PC'tI�,..
•
EGR lina
(
...
/
EGR
,yateml
•
tntllke
m"';loI<I
I
•
Ai
r
in"h chlmbat'
I
I
lInl8h ai'
control
Y81v.1
•
Th,ottll
body
I
•
Br'�. boo$ler �n.
I
Pullin(!
on
Iii
betw."n a"
llow metu,
R.p
....
as ",",15.,,,
tnd
throttle body
Incorrect
Idle
IIMIId
Adjust id�
speed
EM_39,42
Efl l.,lIem prob"ms
R.p.aif "
I'IKlSlltry
I
EGR va
.....
IluJiy
Che<;k
[GR
valv.
Engine ovem.lla
Chick eoolin9
SVlllm
I
CO-5
low compr",1on
Chtc� eom�$IKm
EM-47
ENGINE HESITATES/POOR ACCELERATION
ProD
.
.
....
Po .. ibl.
Cau"
A.mldV
h,.
Engine htlsil�"sJ
Sp¥k
pIi.Ig faulty
Inlpeel
plug.
I IC-2O.21
poD<
accete<atoon
High-t_1on
cord
t .... n.,
Inspect
cord1l
1
1G·20
Vecuum
I
e
....
Repair
lit
nKlssa",
•
PCV
liM
I
•
[GR
�n"
•
IfItakl
man;told
I
lAO'
int
.....
cNrmbef)
I
•
"" k, air control v ....
•
T
h
r
ot
t
l
e
bodv
I
•
Brakl booster
lint
P..,110"9
in
""
between
,ir
110 ...
R,pai, as necns.ary
I
meter lind
Ih,ottltr
body
I
EM.37
Incorreei .gnrtion hming
Re5el lnl"'9
Incorrect
VI""
cle.,.nctr
Adjust v,lv.
cie,flKlce
I
EM-35
Fuel lvstem cloggod
Chec� hoel
.vstem
AM tie
•
...."
doggoId
Cheek
air c
..
_
EM·34
EFI Iyt;tem preble"""
Rep.Ir "
fMlCISllfY
Engine ovemeats
Check
cooling
IV" .....
ca·s
low comptelslon
Check COfTll)fOS51On
EM.41
