i-CTDi and i-DTEC: Honda diesel engines with Common Rail direct fuel injection system

i-CTDi and i-DTEC: Honda diesel engines with Common Rail direct fuel injection system

i-CTDi and i-DTEC are names of diesel turbocharged engines with the Common Rail direct fuel injection system. They have been used in Honda cars since 2002. These engines are a proprietary development of the Honda Motor Company. They are known for being reliable and maintainable and also help to reduce fuel consumption.

Features of i-CTDi, i-DTEC engines

i-CTDi and i-DTEC engines have 4 cylinders and 16 valves. The engine block is made of aluminium and its cylinder liners of cast iron. This reduces the engine weight and allows it to warm up faster. The cylinder head is aluminium. The valve timing mechanism uses a chain. All versions are equipped with a variable-geometry turbocharger.

Popular i-CTDi, i-DTEC engines

Version name Code Capacity, L Max. output, hp Max. torque, N·m Production start Honda models equipped with this type of engine
i-CTDi N22A 2.2 140 340 2002 Accord VII; CR-V III; Civic VIII; CR-V II; FR-V IV
i-DTEC N22B 2.2 150−180 350−380 2008 Accord VIII; Civic IX; CR-V VI; CR-V III
N16A 1.6 120−160 300−350 2013 Civic IX; CR-V IV; Civic X; HR-V II

Common malfunctions of i-CTDi, i-DTEC engines

Malfunctions  Engines
Difficult engine start in cold weather. N22A; N22B
The valve timing chain is prone to stretching even at low mileages. N22A
The turbocharger often breaks down. N22A
The exhaust manifold often cracks. N22A
The EGR valve gets clogged quickly and its intake pipe cracks. N22A; N22B
The crankshaft damper pulley can break prematurely. N22A
The piezoelectric injectors often fail. N22B; N16A
The low-pressure fuel pump breaks down if the fuel filter is not replaced in time. N22B
The diesel particulate filter gets clogged prematurely. N16A

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