Nissan Car Altima & Sentra 1999-06

Gasoline Engine Tune-Up Specifications

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ENGINE TUNE-UP SPECIFICATIONS
YearEngine Displacement LitersEngine ID/VINSpark Plug Gap (in.)Ignition Timing (deg.)Fuel Pump (psi)Idle Speed (rmp)Valve Clearance (in.)
        MTAT   MTATIn.Ex.
20011.8QG18DE0.0439B9B366257250.0150.016
  2SR20DE0.03315B15B36800800HYDHYD
  2.4KA24DE0.04120B20B336506500.0150.016
  3VQ30DE0.04115B15B346507000.0140.015
1The label figures must be used if they differ from those in this chart.
2- System pressure at idle with vacuum hose connected; should increase to 43 psi when disconnected
3- Automatic transmission in neutral
4- Engine warm
ENGINE TUNE-UP SPECIFICATIONS
YearEngine Displacement LitersEngine ID/VINSpark Plug Gap (in.)Ignition Timing (deg.)Fuel Pump (psi)Idle Speed (rmp)Valve Clearance (in.)
        MTAT   MTATIn.Ex.
20021.8QG18DE0.0437B1851600-700750-8500.0150.017
  2.5QR25DE0.04315B20B33650650HYDHYD
  3.5VQ35DE0.043   15B34   600-700HYDHYD
1The label figures must be used if they differ from those in this chart.
2- System pressure at idle with vacuum hose connected; should increase to 43 psi when disconnected
3- Automatic transmission in neutral
4- Engine warm
ENGINE TUNE-UP SPECIFICATIONS
YearEngine Displacement LitersEngine ID/VINSpark Plug Gap (in.)Ignition Timing (deg.)Fuel Pump (psi)Idle Speed (rmp)Valve Clearance (in.)
        MTAT   MTATIn.Ex.
20031.8QG18DE0.0437B1851600-700750-8500.0150.017
  2.5QR25DE0.04315B20B33650650HYDHYD
  3.5VQ35DE0.043   15B51600-700600-700HYDHYD
1The label figures must be used if they differ from those in this chart.
2- System pressure at idle with vacuum hose connected; should increase to 43 psi when disconnected
3- Automatic transmission in neutral
4- Engine warm
ENGINE TUNE-UP SPECIFICATIONS
YearEngine Displacement LitersEngine ID/VINSpark Plug Gap (in.)Ignition Timing (deg.)Fuel Pump (psi)Idle Speed (rmp)Valve Clearance (in.)
        MTAT   MTATIn.Ex.
20041.8QG18DE0.0437B1851600-700750-8500.0150.017
  2.5QR25DE0.04315B15B33700700HYDHYD
  3.5VQ35DE0.043   15B51600-700600-700HYDHYD
1The label figures must be used if they differ from those in this chart.
2- System pressure at idle with vacuum hose connected; should increase to 43 psi when disconnected
3- Automatic transmission in neutral
4- Engine warm
ENGINE TUNE-UP SPECIFICATIONS
YearEngine Displacement Liters (cc)Engine ID/VINSpark Plug Gap (in.)Ignition Timing (deg.)Fuel Pump (psi)Idle Speed (rmp)Valve Clearance (in.)
        MTAT   MTATIn.Ex.
19981.6 (1597)GA16DE0.0418B8B36625 -7250.0150.016
  2.0 (1998)SR20DE0.03315B15B36800800HYDHYD
  2.4 (2389)KA24DE0.041 -20B20B336506500.0150.015
  3.0 (2988)VQ30DE0.041 -15B15B346507000.0140.015
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.
2A System pressure at idle with vacuum hose connected; should increase to 43 psi when disconnected
3B Automatic transmission in neutral
4C Engine warm
5D Do not check or adjust gap on platinum-tipped spark plugs
6E Canada: 750
ENGINE TUNE-UP SPECIFICATIONS
YearEngine Displacement Liters (cc)Engine ID/VINSpark Plug Gap (in.)Ignition Timing (deg.)Fuel Pump (psi)Idle Speed (rmp)Valve Clearance (in.)
        MTAT   MTATIn.Ex.
19991.6 (1597)GA16DE0.0418B8B36625 -7250.0150.016
  2.0 (1998)SR20DE0.03315B15B36800800HYDHYD
  2.4 (2389)KA24DE0.04120B20B336506500.0150.016
  3.0 (2988)VQ30DE0.04115B15B346507000.0140.015
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.
2A System pressure at idle with vacuum hose connected; should increase to 43 psi when disconnected
3B Automatic transmission in neutral
4C Engine warm
5D Do not check or adjust gap on platinum-tipped spark plugs
6E Canada: 750
ENGINE TUNE-UP SPECIFICATIONS
YearEngine Displacement Liters (cc)Engine ID/VINSpark Plug Gap (in.)Ignition Timing (deg.)Fuel Pump (psi)Idle Speed (rmp)Valve Clearance (in.)
        MTAT   MTATIn.Ex.
20001.8 (1769)QG18DE0.0419B9B36625 -7250.0150.016
  2.0 (1998)SR20DE0.03315B15B36800800HYDHYD
  2.4 (2389)KA24DE0.04120B20B336506500.0150.016
  3.0 (2988)VQ30DE0.04115B15B346507000.0140.015
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.
2A System pressure at idle with vacuum hose connected; should increase to 43 psi when disconnected
3B Automatic transmission in neutral
4C Engine warm
5D Do not check or adjust gap on platinum-tipped spark plugs
6E Canada: 750
ENGINE TUNE-UP SPECIFICATIONS
YearEngine ID/VINEngine Displacement LitersSpark Plug Gap (in.)Fuel Pump (psi)Ignition Timing (deg.)Idle Speed (rpm)Valve Clearance
          MTATMTAT BIntake CExhaust C
1997GA16DE1.60.041368B8B625 -7250.0150.016
  SR20DE2.00.0333615B15B800800HYDHYD
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production.
2- System pressure at idle with vacuum hose connected; should increase to 43 psi when disconnected
3- Automatic transmission in neutral
4- Engine warm
5- Do not check or adjust gap on platinum-tipped spark plugs
6- Canada: 750
ENGINE TUNE-UP SPECIFICATIONS
YearEngine ID/VINEngine Displacement LitersSpark Plug Gap (in.)Fuel Pump (psi)Ignition Timing (deg.)Idle Speed (rpm)Valve Clearance
          MTATMTAT BIntake CExhaust C
1998GA16DE1.60.041368B8B625 -7250.0150.016
  SR20DE2.00.0333615B15B800800HYDHYD
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production.
2- System pressure at idle with vacuum hose connected; should increase to 43 psi when disconnected
3- Automatic transmission in neutral
4- Engine warm
5- Do not check or adjust gap on platinum-tipped spark plugs
6- Canada: 750
ENGINE TUNE-UP SPECIFICATIONS
YearEngine ID/VINEngine Displacement LitersSpark Plug Gap (in.)Fuel Pump (psi)Ignition Timing (deg.)Idle Speed (rpm)Valve Clearance
          MTATMTAT BIntake CExhaust C
1999GA16DE1.60.041368B8B625 -7250.0150.016
  SR20DE2.00.0333615B15B800800HYDHYD
  KA24DE2.40.0413320B20B6506500.0150.016
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production.
2- System pressure at idle with vacuum hose connected; should increase to 43 psi when disconnected
3- Automatic transmission in neutral
4- Engine warm
5- Do not check or adjust gap on platinum-tipped spark plugs
6- Canada: 750
ENGINE TUNE-UP SPECIFICATIONS
YearEngine ID/VINEngine Displacement LitersSpark Plug Gap (in.)Fuel Pump (psi)Ignition Timing (deg.)Idle Speed (rpm)Valve Clearance
          MTATMTAT BIntake CExhaust C
2000QG18DE1.80.041369B9B625 -7250.0150.016
  SR20DE2.00.0333615B15B800800HYDHYD
  KA24DE2.40.0413320B20B6506500.0150.016
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production.
2- System pressure at idle with vacuum hose connected; should increase to 43 psi when disconnected
3- Automatic transmission in neutral
4- Engine warm
5- Do not check or adjust gap on platinum-tipped spark plugs
6- Canada: 750
ENGINE TUNE-UP SPECIFICATIONS
YearEngine ID/VINEngine Displacement LitersSpark Plug Gap (in.)Fuel Pump (psi)Ignition Timing (deg.)Idle Speed (rpm)Valve Clearance
          MTATMTAT BIntake CExhaust C
2001QG18DE1.80.041369B9B625 -7250.0150.016
  SR20DE2.00.0333615B15B800800HYDHYD
  KA24DE2.40.0413320B20B6506500.0150.016
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production.
2- System pressure at idle with vacuum hose connected; should increase to 43 psi when disconnected
3- Automatic transmission in neutral
4- Engine warm
5- Do not check or adjust gap on platinum-tipped spark plugs
6- Canada: 750
ENGINE TUNE-UP SPECIFICATIONS
YearEngine ID/VINEngine Displacement LitersSpark Plug Gap (in.)Fuel Pump (psi)Ignition Timing (deg.)Idle Speed (rpm)Valve Clearance
          MTATMTAT BIntake CExhaust C
2002QG18DE1.80.043519B9B600-700750-8500.013-0.0160.015-0.018
  QR25DE2.50.0433315B15B650-750650-7500.013-0.0160.013-0.016
  VQ35DE3.50.04334   15B650-750650-7500.012-0.0160.012-0.017
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production.
2- System pressure at idle with vacuum hose connected; should increase to 43 psi when disconnected
3- Automatic transmission in neutral
4- Engine warm
5- Do not check or adjust gap on platinum-tipped spark plugs
6- Canada: 750
ENGINE TUNE-UP SPECIFICATIONS
YearEngine ID/VINEngine Displacement LitersSpark Plug Gap (in.)Fuel Pump (psi)Ignition Timing (deg.)Idle Speed (rpm)Valve Clearance
          MTATMTAT BIntake CExhaust C
2003QG18DE1.80.043517B18B600-700750-8500.013-0.0160.015-0.018
  QR25DE2.50.0433315B15B650-750650-7500.013-0.0160.013-0.016
  VQ35DE3.50.04351   15B650-750650-7500.012-0.0160.012-0.017
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production.
2- System pressure at idle with vacuum hose connected; should increase to 43 psi when disconnected
3- Automatic transmission in neutral
4- Engine warm
5- Do not check or adjust gap on platinum-tipped spark plugs
6- Canada: 750
ENGINE TUNE-UP SPECIFICATIONS
YearEngine ID/VINEngine Displacement LitersSpark Plug Gap (in.)Fuel Pump (psi)Ignition Timing (deg.)Idle Speed (rpm)Valve Clearance
          MTATMTAT BIntake CExhaust C
2004QG18DE1.80.043517B18B600-700750-8500.013-0.0160.015-0.018
  QR25DE2.50.0433315B15B650-750650-7500.013-0.0160.013-0.016
  VQ35DE3.50.04351   15B650-750650-7500.012-0.0160.012-0.017
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production.
2- System pressure at idle with vacuum hose connected; should increase to 43 psi when disconnected
3- Automatic transmission in neutral
4- Engine warm
5- Do not check or adjust gap on platinum-tipped spark plugs
6- Canada: 750
ENGINE TUNE-UP SPECIFICATIONS
YearEngine ID/VINEngine Displacement LitersSpark Plug Gap (in.)Fuel Pump (psi)Ignition Timing (deg.)Idle Speed (rpm)Valve Clearance
          MTATMTAT BIntake CExhaust C
2005QG18DE1.80.043517B18B600-700750-8500.013-0.0160.015-0.018
  QR25DE2.50.0433315B15B650-750650-7500.013-0.0160.013-0.016
  VQ35DE3.50.04351   15B575-675625-7250.012-0.0160.012-0.017
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production.
2- System pressure at idle with vacuum hose connected; should increase to 43 psi when disconnected
3- Automatic transmission in neutral
4- Engine warm
5- Do not check or adjust gap on platinum-tipped spark plugs
6- Canada: 750
ENGINE TUNE-UP SPECIFICATIONS
YearEngine ID/VINEngine Displacement LitersSpark Plug Gap (in.)Fuel Pump (psi)Ignition Timing (deg.)Idle Speed (rpm)Valve Clearance
          MTATMTAT BIntake CExhaust C
2006QG18DE1.80.043517B18B600-700750-8500.013-0.0160.015-0.018
  QR25DE2.50.0433315B15B650-750650-7500.013-0.0160.013-0.016
  VQ35DE3.50.04351   15B575-675625-7250.012-0.0160.012-0.017
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production.
2- System pressure at idle with vacuum hose connected; should increase to 43 psi when disconnected
3- Automatic transmission in neutral
4- Engine warm
5- Do not check or adjust gap on platinum-tipped spark plugs
6- Canada: 750
 
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