POSSIBLE CAUSES
CORRE CTION QUANTITY CH E CK
CYLIN DE R S P E E D CH E CK
ENGINE COMPRESSION
IN J ECTOR LE AKAGE
INTERMITTENT CONDITION
TE S T ACTION AP PLICAB ILITY
1 NOTE: If the ECM detects and stores a DTC, the ECM also stores the
e n gi n e /ve h ic le o p e ra ti n g c o n d i tio n s u n d e r w h ic h th e D TC w a s s e t. S o m e o f
these conditions are displayed on the DRB at the same time the DTC is
displayed.
NOTE: Before erasing stored DTCs, record these conditions. Attempting to
duplicate these conditions may assist when checking for an active DTC.
Wit h th e DRBIII",eraseECMDTCs.
Test drive th e veh icle an d a t t em pt to du plica t e th e pr oblem .
Wit h th e DRB, r ea d E CM DTC’s.
Did t h is DTC set a ga in ?
All
Ye s → Go To 2
No → Go To 8
2 St a r t an d idle t h e en gin e for 5 m in u t es.
Tur n th e ign it ion off.
In spect t h e fuel r a il, fu el pr essu r e sen sor, fu el pr essu r e solen oid a n d a ll fu el in ject or s
for eviden ce of fuel lea k a ge.
Is t h er e fuel lea k a ge nea r a ny of th e in ject or s or t he fu el r a il?
All
Ye s → Refer t o t h e Ser vice In for m a t ion to repa ir fuel lea k a ge.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
No → Go To 3
3 Tur n th e ign it ion off.
Wit h th e DRBIII", per for m t h e Cylin der Com pr ession Test .
Is t h e cylin der compression wit hin specifica t ion for all cylin der s?
All
Ye s → Go To 4
No → Repa ir as n ecessa r y in a ccor da n ce wit h th e Ser vice In for m a t ion .
Per for m ROAD TE ST VE RIF ICATION - VER-2.
4 Tur n th e ign it ion off.
Rea d a n d n ot e th e six-digit code loca t ed on th e top of ea ch in ject or.
Tur n th e ign it ion on .
Wit h th e DRBIII", ch eck th e cur r en t pr ogr a m m ed in ject or cla ssifica t ion s t o t h e
six-digit codes fr om t he veh icles cu r r en t fuel in ject or s.
Are a ll of t h e F uel In ject or s cla ssified cor r ect ly?
All
Ye s → Go To 5
No → U sin g th e DRB III, r eset in ject or s to corr ect cla ssifica t ion .
Per for m ROAD TE ST VE RIF ICATION - VER-2.
67
DRI V EABI LI T Y - DI ESEL
P 0300-MISF IRE DETECTED — Co nt inued