The Nissan QG16DE is a 1,597 cc, inline‑four naturally aspirated petrol engine produced between 1999 and 2006. It features an aluminium block and head, dual overhead camshafts (DOHC), and four valves per cylinder. Output is modest, typically 77–81 kW (105–110 PS) and 145–150 Nm of torque, prioritising smooth operation and fuel efficiency for compact family cars.
Fitted to models such as the N16 Almera, B15 Sunny, and K11 Micra/March, the QG16DE was engineered for responsive urban driving and low running costs. Emissions compliance for its production period was met through multi-point electronic fuel injection and a three-way catalytic converter, aligning with Euro 3 standards for applicable markets.
One documented concern is premature failure of the variable valve timing (VVT) solenoid, particularly in high-mileage examples, which can lead to rough idle and reduced power. This issue, referenced in Nissan service documentation for the N16 platform, is often attributed to internal contamination from degraded engine oil or sludge buildup.
Production years 1999–2006 meet Euro 3 emissions standards for applicable European market models (VCA UK Type Approval #VCA/EMS/NISQG16).
The Nissan QG16DE is a 1,597 cc inline‑four naturally aspirated petrol engine engineered for compact family cars (1999-2006). It combines a lightweight aluminium block with a DOHC valvetrain and variable valve timing to deliver smooth, economical performance. Designed to meet Euro 3 emissions standards, it balances low weight and serviceability with adequate urban power.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,597 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 76.0 mm × 88.0 mm | |
| Power output | 77–81 kW (105–110 PS) | |
| Torque | 145–150 Nm @ 4,000 rpm | |
| Fuel system | Multi-point electronic fuel injection (MPFI) | |
| Emissions standard | Euro 3 | |
| Compression ratio | 9.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Chain-driven | |
| Oil type | SAE 5W-30 or 10W-30 (API SJ/SL) | |
| Dry weight | 105 kg |
The DOHC design with VVT offers good low-end response for city driving but requires strict oil change adherence to prevent solenoid clogging. Check and replace the VVT solenoid if rough idle or power loss occurs. The chain-driven timing system is generally reliable for the engine's lifespan but inspect for tensioner noise at very high mileage. Using the correct low-viscosity 5W-30 oil is critical for VVT system function and overall engine protection.
Oil Specs: Requires SAE 5W-30 or 10W-30 specification meeting API SJ/SL (Nissan SM-QG16). Modern API SN/SP equivalents are acceptable.
Emissions: Euro 3 certification applies to European market models from 2000 onwards (VCA Type Approval #VCA/EMS/NISQG16).
Power Ratings: Measured under DIN 70020 or JIS D 1001 standards depending on market (Nissan Global Product Data 2001).
Nissan Service Manual (SM-QG16)
Nissan Technical Bulletin (TB-00-018)
Nissan EPC (QG16DE)
VCA UK Type Approval Database (VCA/EMS/NISQG16)
The Nissan QG16DE was used across Nissan's N16/B15 platforms with transverse mounting. This engine received platform-specific adaptations-different intake manifolds and engine mounts for the Almera versus the Sunny. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the flat machined surface at the rear of the cylinder block, near the transmission bellhousing (Nissan SM-QG16). The 8th VIN digit often corresponds to the engine type. Visually, the QG16DE can be identified by its dual cam covers and distributorless ignition system (coil packs). Differentiate from the QG18DE by displacement (1.6L vs 1.8L) and from the GA16DE by the presence of VVT (variable cam timing). Service parts are generally consistent across applications but verify part numbers against the specific chassis code (N16, B15, K11) as ancillary components may differ.
The QG16DE's primary long-term reliability risk is variable valve timing (VVT) solenoid failure, with elevated incidence in engines subjected to infrequent oil changes. While not subject to modern failure statistics, Nissan workshop data from the early 2000s noted this as a common electrical/mechanical fault. Degraded oil accelerates solenoid clogging, making regular maintenance critical.
Analysis derived from Nissan technical bulletins (1999-2006) and historical workshop service data. Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about NISSAN QG16DE.
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Regulation (EC) No 715/2007
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