Nissan QG engine

The QG engine is a 1295 cc, 1497 cc, 1597 cc and 1769 cc straight-4 piston engine from Nissan. It is a lean-burn aluminum DOHC 4-valve design with variable valve timing and optional NEO Di direct injection.

The QG engines were designed by Nissan's Aichi Kikai division in Japan.

Nissan websites state the QG as standing for "Quality and Green".

QG13DE
The QG13DE is a 1295 cc DOHC 16-valve with 4-cylinder. It produces 87 hp at 6000 rpm and 130 Nm at 4400 rpm. Bore x Stroke= 71x81.8 mm

It is used in the following vehicles:
 * 1999-2006 Nissan Wingroad/ADVAN (Y11)
 * 1998-2004 Nissan Sunny (B15)
 * 2005-2012 Nissan Sentra N16 series for low-end models (Philippines)

QG15DE
Water-cooled straight 4 cylinder engine with 1497 cc capacity and DOHC control. Bore and stroke are 73.6x88 mm. Output is 90 hp at 5600 rpm and 128 Nm at 2800 rpm and later 105 hp at 6000 rpm and 143 Nm at 4400 rpm.

This engine is used in:
 * 1999-2004 Nissan Sunny (B15)
 * 1999-2008 Nissan Wingroad/AD (Y11)
 * 2002-2009 Samsung SM3 (G10)

Power outputs for N16 Almera:
 * '00-'02: 90ps
 * '02-'06: 98ps

QG16DE
The QG16DE is a 1597 cc straight 4-cylinder engine with double over head camshafts with 16 valves. The cylinder head also features Nissan Variable Cam Timing (N-VCT) and micro-polished camshafts. A new water pump assembly has been designed for the QG16DE; the design is based on the water pump from the GA16DE, the changes made it more efficient and reliable than its predecessor. The engine produces 88 kW at 6000 rpm and 165 Nm at 4000 rpm. Bore and stroke is 76x88 mm.

Specifications

It is used in the following vehicles:
 * Displacement - 1597 cc
 * Layout - DOHC Inline-4 (Straight-4) with Nissan Variable Cam Timing
 * Valves - 16, 4 for each cylinder
 * Power - 118 hp at 6000 rpm
 * Torque - 122 lbft at 4000 rpm
 * Redline - 6500 rpm
 * Fuel Delivery System - Electronic fuel injection (EFI)
 * Ignition system - 4 coils, 1 for each cylinder
 * Fuel Compression Ratio - 9.5:1
 * Nissan Sunny NEO with 5-speed manual or 4-speed automatic transmission
 * Nissan Sunny N16 series sold in Sri Lanka
 * Nissan Primera (P11.144) 2000-2002
 * Nissan Primera (P12) edition sold in various countries across Europe
 * Nissan Sentra N16 series in the Philippines and the N16 series Pulsar sold in Australia and New Zealand
 * Renault Scala sold in Mexico and Colombia
 * Nissan Almera sold in South Africa

QG18DD
The 1.8 L direct-injection QG18DD produces 130 hp at 6000 rpm and 174 Nm at 2800 rpm.

It is used in the following vehicles:
 * 1999-2004 Nissan Sunny

QG18DE
The 1769 cc QG18DE was designed for Nissan by Aichi Machine Industry, Japan. It is manufactured both in Japan and the Mexican city of Aguascalientes. Bore and stroke is 80x88 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, aluminum DOHC cylinder head, uses Multi-port fuel injection, forged-steel connecting rods, two single-piece cast camshafts and a cast-aluminum intake manifold. It also features N-VCT (Nissan's Valve Timing Control technology). This engine received the RJC Technology of The Year Award of 2001.

Specifications Emissions Control Devices
 * Displacement - 1769 cc
 * Layout - DOHC Inline-4 (Straight-4) with VVT tech (called NVTC).
 * Valves - 16, 4 for each cylinder
 * Power - 115 hp to 128 hp at 6000 rpm
 * Torque - 122 lbft to 130 lbft at 2800 rpm
 * Redline - 6500 rpm
 * Fuel Delivery System - electronic fuel injection
 * Fuel compression ratio - 9.5:1
 * OBDII - On-board Diagnostic System (codes can be read/erased by a variety of readers, e.g. ). Nissan Pulsar N16 Models without EuroOBD in Australia do not have OBDII.
 * EGR - Exhaust Gas Recirculation
 * HO2S - (4) Oxygen Sensors (2 before exhaust catalyst, 2 after) - note a series 2 1.8l has only 2 O2 sensors: 1 pre-catalytic-converter and 1 downstream from it.
 * 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, e.g. ).
 * Knock Sensor - located on engine block; retards timing if pinging/detonation is detected.
 * Heated Throttle Body - heated by engine coolant.

The QG18DE is used in the following vehicles:
 * 2000-2006 Nissan Sentra B15 and N16
 * 2000-2005 Nissan Pulsar N16
 * 1999-2002 Nissan Primera P11.144
 * 2002-2007 Nissan Primera P12
 * 2000-2006 Nissan Almera N16
 * 2000-2006 Nissan Almera Tino
 * 1999-2006 Nissan Primera
 * 2000-2006 Nissan Expert
 * 1998-2006 Nissan Avenir
 * 1999-2005 Nissan Wingroad/AD van Y11
 * 1999-2005 Nissan Bluebird Sylphy G10
 * 1998-2004 Nissan Sunny B15

QG18DEN
The QG18DEN is the natural gas version of the QG18DE. It produces 105 hp at 5600 rpm and 149 Nm at 2800 rpm. Bore and Stroke are 80x88 mm. It was used in the Nissan AD van from 2000 to 2008.