Is the Isuzu 4JJ1 a good engine?

Is the Isuzu 4JJ1 a good engine?

Revered as the benchmark of light-commercial diesel engines, the newly-refined 4JJ1 three-litre engine – available in all D-MAX and MU-X vehicles – produces 130kW of power and 430Nm of torque at a low 2000rpm. Isuzu engines are well-known for their durability and real-world fuel efficiency.

What problems do Isuzu D-MAX have?

Aircon failures. The 2012 – 2020 Isuzu Dmax’s have a very bad habit of cracking the evaporator at the end of a rigid pipe that goes through your firewall, which releases the cooling gas, and results in you needing to have the entire dash removed, and the evaporator replaced.

How much power can a Dmax make?

The factory setup produces roughly 130hp, a safe remap will round 180hp, and the sky is the limit from there.

What’s the difference between 4JJ1 and 4JJ3?

There is more power and torque available for the new D-Max, with the new 4JJ3 rated at 140KW @ 3600rpm and and 450Nm @ 1600-2600rpm. That’s a modest improvement of 10kW and 20Nm over the outgoing 4JJ1, but the new engine promises to be more flexible with its torque delivery.

How long does a 4JJ1 last?

The rating means that 90% of Isuzu 4HK1-TC engines are expected to last 375,000 miles before they require a major repair or rebuild. Previously, the 4HK1-TC engine carried a B10 rating of 310,000 miles.

What causes a diesel engine to lose power?

Starved for fuel: This may be caused by a restricted or a wrong fuel filter, air being introduced into fuel system via porous fuel line, loose connection, weak lift pump is so equipped, etc. Restricted air intake: This could be caused by a dirty, incorrect, or collapsing air filter inlet ducting.

How much torque does a 4JJ1 have?

Also available is the four-cylinder 3.0-litre 4JJ1-TC iTEQ common-rail diesel engine with VGS Turbo which now produces 132 kW (177 hp) with 380 N⋅m (280 lbf⋅ft) of torque.

What causes engine to lose power?

Anything that restricts fuel from entering the cylinder will cause a loss of power if the engine requires more fuel than is injected. Clogged fuel injectors create a cascade of problems. Deposits can build up on the injectors over time from heat soak or poor fuel.

Are there any problems with the Isuzu three-litre diesel engine?

The Isuzu three-litre engine is by no means on its own in this regard, but as a modern turbo-diesel, it can be affected by problems surrounding its Exhaust Gas Recirculation (EGR) system.

How much does a Isuzu 4×4 weigh?

Gearbox: Six-speed Aisin automatic or Isuzu Manual gearbox. Driveline: Part-time 4X4 with shift-on-the-fly and two-speed transfer case. 4X4 Weights and Payloads: 1,731-2,026kg kerb weight. 2,950kg GVM. 1,219-924kg payload. Dual Cab Dimensions: 5,295mm long, 1,860mm wide, 1,855mm high. 1,570mm wheel track.

Can a 4JJ1 motor sit on 100?

It will sit on 100 most of the time, but it has to work hard to do so. Of course, there are lots of options when it comes to improving power and the 4JJ1 motor is extremely popular for getting huge power figures from with reliability remaining largely unchanged.

Does the 4JJ1-TC have a turbo?

Now equipped with a VGS turbo, the 4JJ1-TC can effectively compete with the latest arsenal of engines introduced by competing brands.