SECTION 6F1 - ENGINE TUNE - V6 ENGINES
IMPORTANT
Before p erforming any Serv ice Operation or other procedu re described in this Section , refer to Section
00 CAUTIONS AND NOTES for correct workshop practices with regard to safety and/or property
damage.
1. GENERAL I NFORMATI ON
Apart from a minor change to the spark plug recommendation, all engine tune information remains unchanged for
VX Series vehicles.
This aff ects the engine tune inform ation inc luded on the Em ission Contr ol Infor m ation Label, located on the radiator
upper shroud and the engine tuning data, in 6F1 ENGINE TUNING – V6 ENGINE of the VT Series I Service
Information.
Apart f rom these c hanges that are included here, all other inform ation relating to engine tune for VX Series Models
fitted with V6 and V6 Supercharged engines remains unchanged and is detailed in
Section 6F1 ENGINE TUNE - V6 ENGINE of the VT Series I Service Information.
1.1 EMISSION CONTROL LABEL
Figure 6F1-1 – V6 Naturally Aspirated Engine
Figure 6F1-2 – V6 Supercharged Engine
2. ENGINE TUNI NG DATA
ENGINE TYPE TRANSMISSION IDLE SPEED IGNITION SPARK PLUGS
WARM
ENGINE TIMING TYPE GAP
Manual
775 ± 50 rpm
3.8 litre P.F.I. V6
Naturally Aspirated Automatic 725 ± 50 rpm in
Neutral
650 ± 50 rpm in
Drive
PCM
Controlled
(Non-
adjustable)
NGK
BPR6EFS-15
OR
DENSO
T20EPRU-15
1.5 + 0.0 mm
– 0.1 mm
3.8 litre P.F.I. V6
Supercharged Automatic 800 ± 50 rpm in
Neutral
800 ± 50 rpm in
Drive
PCM
Controlled
(Non-
adjustable)
NGK
BPR6EF-13
1.3 + 0.0 mm
– 0.1 mm
NOTE: Idle speed is controlled by the PCM and varies with:
- Battery voltage
- Engine temperature
- Air conditioning request