Nissan QG engine
The QG engine is a 1.3 L, 1.5 L, and 1.8 L straight-4 piston engine from Nissan. It is a lean-burn aluminum DOHC 4-valve design with variable valve timing and optional NeiDi direct injection.
The QG engines were designed for Nissan by Aichi Machine Industry, Japan.
QG13DE
The QG13DE is an 1,3 L (1295 cc) DOHC 16 valve with 4 cylinder. It produces 87 hp / 6000 rpm and 113 nm / 4400 rpm.
It is used in the following vehicles:
- 2000- Nissan Sunny
QG15DE
Water cooled straight 4 cylinder engine with 1,5 L (1497 cc) cubic capacity and DOHC control. Bore and stroke are 73,6 mm and 88 mm. Output is 105 hp at 6000 rpm and 135.33 nm at 4400 rpm.
QG16DE
The QG16DE is an 1,6 L (1597 cc) straight 4 cylinder engine with DOHC and 16 valve and variable timing control (VTC). It produces 118 hp / 6000 rpm and 143 nm / 4400 rpm. Bore and stroke are 76 mm and 88 mm. It is used in the Nissan Sunny NEO with 5-speed manual or 4-speed automatik transmission.
QG18DD
The 1.8 L QG18DD produces 130 hp.
It is used in the following vehicles:
- 1999-2004 Nissan Sunny
QG18DE
The 1.8 L (1769 cc) QG18DE was designed for Nissan by Aichi Machine Industry, Japan. It is manufactured both in Japan and Aguascalientes, Mexico. Bore is 80 mm and stroke is 88 mm. The engine is tuned to achieve most of its torque at low revs at the expense of raw power at high revs making the engine very responsive in day to day driving. It has a cast iron engine block and aluminum DOHC cylinder head. It uses MPI fuel injection, and features forged steel connecting rods, a one-piece cast camshaft, and a cast aluminum intake manifold. It also features NVTC (Nissan's Variable valve Timing Control technology).
Specifications
- Displacement - 1.8 liters (1769 cm³)
- Layout - DOHC Inline-4 (Straight-4) with VVT tech (called NVTC).
- Valves - 16, 4 for each cylinder
- Power - 126 hp (94 kW) @ 6000 rpm
- Torque - 129 lbf.ft (174 nm) @ 2400 rpm
- Redline - 6500 rpm
- Fuel Delivery System - electronic fuel injection
- Fuel compression ratio - 9.5:1
Emissions Control Devices
- OBDII - Onboard Diagnostic System (codes can be read/erased by a variety of readers, ie Actron)
- EGR - Exhaust Gas Recirculation
- HO2S - (4) Oxygen Sensors (2 before exhaust catalyst, 2 after)
- TWC - Three Way Catalyst (2 in exhaust manifold, 1 under car)
- EVAP - Charcoal Evaporative Purge Canister
- Ignition Timing: 9 degrees BTDC (can be altered +/- 2 degrees using CONSULT-II handheld diagnostic tester)
- Knock Sensor - located on engine block; retards timing if pinging/detonation detected.
- Heated Throttle Body - heated by engine coolant
It is used in the following vehicles:
- 2000-2006 Nissan Sentra
- 2000-2006 Nissan Almera
- 1999-2006 Nissan Primera
- 2000-2006 Nissan Expert
- 1999-2006 Nissan Avenir
QG18DEN
The QG18DEN is the natural gas version of the QG18DE. It produces 105 hp @ 5600 rpm and 149 nm @ 2800 rpm. Bore and Stroke are 80 mm and 88 mm. It is used in the Nissan Advan.
