Turbocharged engine 1.2 DIG-T from Renault-Nissan became one of the most discussed units in the line Nissan Qashqai second generation (J11). On the one hand, it promised efficiency and dynamics comparable to 1.6-liter naturally aspirated engines. On the other hand, it caused a wave of criticism due to potential reliability problems. In this article we have collected real owner reviews with mileages from 30 to 250 thousand km, analyzed typical faults and compared the engine with alternatives in the line.
We will pay special attention critical nuances of operating 1.2 DIG-T, which the manufacturer does not advertise: sensitivity to oil quality, turbine operation characteristics during short trips and the actual timing chain life. The data is based on a survey of 150+ owners from Russia, Europe and the CIS countries, as well as on an analysis of service reports from dealerships.
Technical characteristics of the 1.2 DIG-T engine: what the brochures hide
Motor HR12DDT (internal designation Nissan) is a joint development of the alliance Renault-Nissan-Mitsubishi, which debuted in 2012. B Qashqai it was offered in two versions:
- 🔹 115 hp (84 kW) - basic version with a torque of 190 Nm (1,750–3,500 rpm)
- 🔹 130 hp (96 kW) - boosted version with 205 Nm (2,000–3,500 rpm)
The engine officially complies with environmental standards Euro 6, equipped with a direct fuel injection system, turbocharger BorgWarner KP35 and timing chain drive. However, in real operation, owners are faced with a number of nuances that dealers are silent about:
| Parameter | Official data | Real indicators (based on reviews) |
|---|---|---|
| Fuel consumption (combined cycle) | 5.5–6.0 l/100 km | 7.2–9.5 l/100 km (in winter up to 11 l) |
| Timing chain resource | "For life" | 120–180 thousand km (replacement required when stretched) |
| Oil change interval | 15,000 km / 1 year | 7,500–10,000 km (for short trips) |
| Fuel sensitivity | AI-95 | Requires fuel with an octane rating of at least 98 for the 130-horsepower version |
Important: Nissan positions this engine as “economical and reliable”, but in 9 out of 10 cases of premature wear are to blame short trips (less than 10 km) and irregular oil changes. Turbine KP35 requires warming up for at least 2–3 minutes before loading, otherwise the oil will coke in the bearings.
- Less than 50,000 km
- 50,000–100,000 km
- 100,000–150,000 km
- More than 150,000 km
Owner reviews: top 5 advantages of the 1.2 DIG-T engine
Despite the criticism, the engine has undeniable advantages that even skeptical drivers note. Here is what is most often praised in reviews:
- 🚀 Dynamics on the track: The 130-horsepower version accelerates Qashqai up to 100 km/h in 9.9 seconds - faster than the 1.6 naturally aspirated (11.3 s). Owners note confident overtaking at speeds of 100–140 km/h.
- 💰 Tax benefits: in Russia, the engine is subject to a reduced transport tax (up to 125 hp), which saves 3–5 thousand rubles. per year.
- 🔧 Simplicity of design: no system
AdBlue, particulate filter (DPF) or a complex hybrid filling, like its competitors. - 🎵 Quiet operation: at idle speed the engine is almost inaudible (noise level ~48 dB), which is appreciated in city traffic jams.
- 🛠️ Cheap maintenance: changing oil and filters is 2–3 times cheaper than diesel versions Qashqai (average maintenance price - 4,500 rubles).
Interesting fact: owners of 115-horsepower versions note that after chip tuning (ECU flashing) the engine produces up to 140 hp. without loss of resource. However, this is only relevant for cars with a mileage of up to 80 thousand km - a later stretched timing chain makes tuning dangerous.
⚠️ Attention: if you exploit Qashqai 1.2 DIG-T mainly in the city with frequent stops, be sure to install an additional oil cooler. Oil overheating is the main reason for turbine failure at mileages of 60–90 thousand km.
Typical problems 1.2 DIG-T: what breaks most often
Analysis of reviews on forums (Drive2, Qashqai Club, Autodoc Club) and data from 40+ service centers showed that 80% of breakdowns connected to three components: timing chain, turbine and injection system. Let's take a closer look at them.
1. Timing chain stretch: when to expect problems
Officially the chain is considered “maintenance-free”, but in practice:
- 🔗 On the run 80–120 thousand km There is a metallic knocking sound when it is cold.
- 🔗 K 150 thousand km the chain can jump 1-2 teeth, which leads to the valves meeting the pistons.
- 🔗 Cost of replacement with a set (chain, shoes, tensioner) - 25,000–35,000 rub.
Reason: a design defect in the tensioner shoes, which wear out faster than the chain. Nissan released updated parts (item no. 13028-4M51A), but they are not always installed during repairs.
2. BorgWarner KP35 turbine: weak point of the engine
The turbocharger begins to “crumble” after 100–150 thousand km, if:
- 🛢️ Oil changed less often than every 10,000 km.
- 🚗 The car was operated in “start-stop” mode (trips up to 5 km).
- ❄️ The engine did not warm up before the winter loads.
Symptoms of malfunction: blue smoke from the exhaust pipe, loss of power and increased oil consumption (up to 1 liter per 1,000 km). Replacing a turbine costs 40,000–60,000 rub., but simply cleaning the valve often helps PCV (cost - 1,500 rubles).
How to check the turbine yourself
1. Start the engine and let it run for 2-3 minutes.
2. Sharply press the gas pedal all the way (in neutral gear).
3. If the turbine is working properly, you will hear a characteristic whistle and see a jump in speed to 3,000–3,500 rpm.
4. If there is a malfunction, there will be a delay in response or black smoke from the exhaust.
3. Injection problems: injectors and fuel pump
Injectors Denso prone to clogging after 60–80 thousand km, especially when using fuel below AI-98. Symptoms:
- ⚡ Troubleshooting at idle.
- 🔥 Misfire (error code
P0300). - 💧 Increased fuel consumption (up to 12–14 l/100 km).
Ultrasonic cleaning of injectors is worth it 8,000–12,000 rub., kit replacement - 30,000–40,000 rub.. High pressure fuel pump (Bosch CP4.2) fails less often, but its replacement costs 50,000 rub..
Use AI-98 fuel (for the 130-horsepower version)|Change the fuel filter every 30,000 km|Add an additive to clean injectors every 10,000 km|Avoid refueling at little-known gas stations
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Comparison with alternative engines in the Qashqai line
If you are in doubt about choosing between 1.2 DIG-T and other engines Qashqai, here is an objective comparison based on key parameters:
| Parameter | 1.2 DIG-T (130 hp) | 1.6 (114 hp) | 2.0 (144 hp) | 1.5 dCi (110 hp) |
|---|---|---|---|---|
| Fuel consumption (city) | 9.5 l/100 km | 10.2 l/100 km | 11.8 l/100 km | 5.8 l/100 km |
| Resource to capital | 200–250 thousand km | 300–350 thousand km | 350–400 thousand km | 250–300 thousand km |
| Maintenance cost (year) | 18,000 rub. | 15,000 rub. | 20,000 rub. | 25,000 rub. |
| Fuel sensitivity | Very high | Low | Average | High (to diesel fuel quality) |
Conclusion: 1.2 DIG-T Justified only for those who drive mainly on the highway and are ready to carefully monitor their technical condition. More reliable for urban use 1.6 naturally aspirated, and to save money - 1.5 dCi (despite expensive maintenance).
If your daily mileage is less than 20 km, the 1.2 DIG-T engine will cost more to maintain than a 1.6-liter naturally aspirated engine due to frequent oil changes and the risk of turbine coking.
How to extend the life of a 1.2 DIG-T engine: tips from the experts
Experienced mechanics and experienced owners 200,000+ km share proven life hacks that help avoid problems:
-
Oil: only synthetic with approval
RN0720.Suitable brands: Mobil 1 ESP 5W-30, Motul Specific 913D 5W-30, Liqui Moly Top Tec 4200 5W-30. Change every 7,500 km (regardless of dealer recommendations).
-
Warming up in winter: at least 3–5 minutes.
Turbine KP35 requires oil at operating temperature. At −20°C, warming up should be longer - up to 7 minutes.
-
Valve cleaning
PCVevery 30,000 km.A clogged valve leads to increased pressure in the crankcase and accelerated wear of the turbine. The cost of cleaning is 1,500 rubles, replacement is 4,000 rubles.
-
Use of turbine additives.
Recommended: Liqui Moly Turbo Reiniger or Wynns Turbo Cleaner. Add once every 20,000 km.
If you often drive in traffic jams, install an additional oil cooler (part number 21010-4M50A). This will reduce the oil temperature by 15–20°C and extend the life of the turbine.
Important: don't ignore the error P0299 (low boost pressure). It often appears when the air filter is clogged or there is air leakage in the intake system. Diagnostics costs 1,000 rubles, and ignoring the problem can lead to replacing the turbine.
Owner reviews: real operating experience
We have analyzed 150+ reviews from forums and social networks to highlight the most typical opinions. Here's what the owners say:
👤 Alexey, Moscow, mileage 120,000 km:
"I bought a new one Qashqai 1.2 in 2017. The first 60 thousand km - no problems, consumption 7.5 l/100 km. Then the chain started knocking when cold. The dealer said this is normal. At 90 thousand km the chain stretched so much that it had to be replaced (32,000 rubles). Now I drive carefully, I change the oil every 8 thousand km. Overall, I like the engine, but it requires attention."
👤 Olga, St. Petersburg, mileage 45,000 km:
“I took the 130-horsepower version for the track. The dynamics are excellent, I can overtake trucks without any problems. Highway consumption is 5.8 l/100 km. But in the city it consumes 11 liters! It's even worse in winter. I pour oil Motul, no problems yet. I only recommend it to those who drive a lot on the highway."
👤 Igor, Yekaterinburg, mileage 180,000 km:
“The engine is already on the second lap: I changed the chain, turbine and injectors. Now everything works, but maintenance costs 50,000 rubles. per year. If I had known, I would have taken the 1.6 aspirated. There is no saving on fuel, but the carriage is a problem. There is only one plus: the car drives cheerfully when everything is in order."
Interesting trend: owners with mileage more than 150 thousand km most often complain about electronics (pressure sensors, lambda probes), and not on the engine itself. This suggests that with proper maintenance the motor can travel long distances.
FAQ: answers to frequently asked questions about 1.2 DIG-T
❓ Is it possible to drive on 92 gasoline?
❌ No! The manufacturer clearly indicates the minimum octane number 95 for the 115 hp version and 98 for 130 hp. The use of 92-octane gasoline leads to detonation, accelerated wear of the piston group and failure of the catalyst. In the reviews, the owners note that even at some gas stations with the “95” the engine begins to “knock with fingers.”
❓ How often do you need to change the oil if you only drive around the city?
🔧 With short trips (less than 10 km) and frequent engine starts, the oil ages faster due to condensation and underheating. The optimal interval is every 7,500 km or every 6 months. Use low ash oil (Low SAPS), for example, Total Quartz INEO ECS 5W-30.
❓ Is it worth buying a Qashqai 1.2 DIG-T with mileage?
💰 When buying used Qashqai With this motor, pay attention to:
- 📝 Service history (there must be receipts for oil changes every 10,000 km).
- 🔊 Knocks when cold (a sign of a stretched chain).
- 💨 Exhaust color (blue smoke is a problem with the turbine).
- 📊 On-board computer readings (fuel consumption above 10 l/100 km is a reason for diagnosis).
Optimal mileage for purchase - up to 80,000 km. Cars with 100,000+ km mileage often require investment in a timing chain or turbo.
❓ Which oils are better not to pour into 1.2 DIG-T?
⚠️ Avoid oils:
- 🛢️ With viscosity
10W-40and higher (worse cold starts). - 🛢️ With a high content of additives (can clog turbine channels).
- 🛢️ Cheap semi-synthetic oils (for example, Lukoil Lux).
- 🛢️ Oils without approval
RN0720orRN0710.
Verified option - Idemitsu Zepro Touring 5W-30 (article 3585-004).
❓ Is it possible to install HBO on 1.2 DIG-T?
⚠️ Gas installation not recommended for several reasons:
- Turbocharged engines are sensitive to a lean mixture, which leads to overheating.
- Lack of official firmware for gas ECUs.
- Risk of detonation due to increased compression ratio (10.1:1).
If you still decide, use only 4th generation HBO with adjustment of the ignition timing and installation of a UOZ variator.
If you have any questions about operation Nissan Qashqai 1.2 DIG-T, study thematic forums or contact an authorized dealer for diagnostics. Remember: this engine forgives mistakes only in the first 50,000 km, then it requires perfect maintenance.