Isuzu Ascender 2003-05

Gasoline Engine Tune-Up Specifications

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GASOLINE ENGINE TUNE-UP SPECIFICATIONS
YearEngine Displacement Liters (VIN)Spark Plug Gap (in.)Ignition Timing (deg.)Fuel Pump (psi)Idle Speed (rmp)Valve Clearance (in.)
      MTAT   MTATIn.Ex.
2003-044.2 (S)0.05   -50-57--HYDHYD
  5.3 (P)0.06--55-62-625HYDHYD
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production. The label figures must be used if they differ from those in this chart.
2- Distributorless ignition, cannot be adjusted
3- With key ON and engine OFF
4- Idle speed is maintained by the PCM
5- Distributorless ignition, cannot be adjusted
6- With key ON and engine OFF. Distributorless ignition, cannot be adjusted
7- Under 8500 GVW
8- Over 8500 GVW
GASOLINE ENGINE TUNE-UP SPECIFICATIONS
YearEngine Displacement Liters (VIN)Spark Plug Gap (in.)Fuel Pump (psi)Ignition Timing (deg.)Idle Speed (rpm)Valve Clearance
        MTATMTATIn.Ex.
20034.2 (S)0.05050-57   ---HYDHYD
  5.3 (P)0.06055-62---625HYDHYD
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production. The label figures must be used if they differ from those in this chart.
2- Distributorless ignition, cannot be adjusted
3- With key ON and engine OFF
4- Idle speed is maintained by the PCM
5- Distributorless ignition, cannot be adjusted
6- Under 8500 GVW
7- Over 8500 GVW
GASOLINE ENGINE TUNE-UP SPECIFICATIONS
YearEngine Displacement Liters (VIN)Spark Plug Gap (in.)Fuel Pump (psi)Ignition Timing (deg.)Idle Speed (rpm)Valve Clearance
        MTATMTATIn.Ex.
20044.2 (S)0.05050-57   ---HYDHYD
  5.3 (P)0.06055-62---625HYDHYD
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production. The label figures must be used if they differ from those in this chart.
2- Distributorless ignition, cannot be adjusted
3- With key ON and engine OFF
4- Idle speed is maintained by the PCM
5- Distributorless ignition, cannot be adjusted
6- Under 8500 GVW
7- Over 8500 GVW
GASOLINE ENGINE TUNE-UP SPECIFICATIONS
YearEngine Displacement Liters (VIN)Spark Plug Gap (in.)Fuel Pump (psi)Ignition Timing (deg.)Idle Speed (rpm)Valve Clearance
        MTATMTATIn.Ex.
20054.2 (S)0.04250-57   ---HYDHYD
  5.3 (P)0.04055-62---625HYDHYD
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production. The label figures must be used if they differ from those in this chart.
2- Distributorless ignition, cannot be adjusted
3- With key ON and engine OFF
4- Idle speed is maintained by the PCM
5- Distributorless ignition, cannot be adjusted
6- Under 8500 GVW
7- Over 8500 GVW
 
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