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Probl .....
Rough idle, 811h
or
mitsft (Cont'dJ
ProD .
....
.
Engine htlsil�"sJ
poD<
accete<atoon
ROUGH IDLING (Cant'd)
POlilbl.
cau ..
.. aIt,
Vacuum
P C'tI �,..
•
(
•
EGR lina
...
/
EGR
m"';loI<I
tntllke
•
in"h chlmbat'
•
Ai
r
control Y81v.1
lInl8h ai'
•
Th,ottll body
Br'�. boo$ler �n.
•
Pullin(!
on
Iii
betw."n a"
tnd throttle body
Idle IIMIId
Incorrect
Efl l.,lIem prob"ms
.... . IluJiy
EGR va
Engine ovem.lla
low compr",1on
ENGINE HESITATES/POOR ACCELERATION
Po .. ibl. Cau"
pIi.Ig faulty
Sp¥k
High-t_1on
t .... n.,
cord
Vecuum I
... .
e
liM
•
PCV
•
[GR
�n"
•
IfItakl
man;told
.... . cNrmbef)
lAO'
int
T
•
"" k, air control v ....
•
bodv
h
r
ot
t
l
e
Brakl booster
lint
•
P..,110"9
"" between
in
,ir
Ih,ottltr body
meter lind
Incorreei .gnrtion hming
Incorrect VI"" cle.,.nctr
Fuel lvstem cloggod
...."
AM tie
doggoId
•
EFI Iyt;tem preble"""
Engine ovemeats
low comptelslon
Repeil
,yateml
I
I
I
R.p ....
llow metu,
Adjust id�
R.p.aif "
Che<;k
Chick eoolin9 SVlllm
Chtc� eom�$IKm
Inlpeel
Inspect
Repair
110 ...
R,pai, as necns.ary
Re5el lnl"'9
Adjust v,lv.
Chec� hoel
Cheek
Rep.Ir " fMlCISllfY
Check
Check COfTll)f OS51On
A.mad.,
l'\aceuaIY
as ",",15.,,,
speed
I'IKlSlltry
valv.
[GR
A.mldV
plug.
cord1l
nKlssa",
lit
cie,flKlce
.vstem
air c ..
_
cooling
IV" .....
Pa,.
I
I
I
EM_39,42
I
I
CO-5
h ,.
I I C -2O. 21
1
1G·20
I
I
I
I
I
I
EM.37
I
EM-35
EM·34
ca·s
EM.41
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