When did jeep stop using the 4 0 engine?

What years did the Jeep Wrangler have the 4.0 engine?

The 4.0 liter Jeep engine was used in Jeeps from 1987 to 2006 and it’ll never be gone from our hearts.

When did Jeep stop using the 4.0 inline 6?

Chrysler’s 4.0L Straight Six Engine

Over the course of nearly 20 years this engine was refined and tweaked before being phased out in 2006. The inline six has powered Cherokees, Grand Cherokees, Wagoneers, Wranglers, and even Comanches.

Is the AMC 4.0 a good engine?

AMC/Chrysler/Jeep 4.0 Engine

It’s a strong and reliable engine, however, the 4.0L straight-6 is also known for a lack of power. Regardless, the 4.0 is an excellent all around engine that many appreciate to this day. Good enough that Chrysler and Jeep kept it around for nearly 20 years.

What Jeeps have the 4.0 inline 6?

The following years and Jeep models have 4.0L straight-6 engines:

  • 1987-2001 Jeep Cherokee.
  • 1993-2004 Jeep Grand Cherokee.
  • 1987-1990 Jeep Wagoneer.
  • 1987-1992 Jeep Comanche.
  • 1991-2006 Jeep Wrangler.

Why is the Jeep 4.0 so good?

With so many inline-6 engines on the market, the jeep 4.0 engine is one of the best when it comes to reliability. Due to the simplicity of the engine, which stood the test of time going all the way back to the 1960s when it was first introduced.

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How much horsepower does a 4.0 inline 6 have?

The Jeep’s 4.0-liter straight-six engine’s maximum of 190 horsepower and 235 pound-feet of torque made the Jeep famously reliable if a little slow. A custom builder, Newcomer Racing, has now shown that enough boost, as well as forged internals, can turn Jeep’s slow 4.0 into a performance powerhouse.

What year did Jeep have inline 6?

If any engine can give a grizzled Jeeper the warm fuzzies, it’s the ’87-’06 Jeep 4.0L inline six. Designed by AMC and refined by Chrysler, its basic architecture was based on the ’64-and-up AMC 199-, 232-, and 258ci OHV sixes. The fuel-injected 4.0L ruled supreme in Jeeps until forceably dethroned in 2006.

How much horsepower does a Jeep 4.0 high output have?

The Jeep 4.0L engine is a 4.0L (241.6 ci) 6-cylinder engine. It has a 3.8-inch bore and 3.41-inch stroke with 12 overhead valves. This engine gets an 8.8-to-a compression ratio and produces 190 horsepower at 4600 RPMs and 235 lb-ft.

Are 4.0 Jeeps reliable?

The Jeep 4.0L I-6 is extremely reliable. If you Googled that engine, or went onto various Jeep forums, you’d be hard pressed to find one that died after any number of miles – providing it was properly serviced during its life.

What year Jeeps should you stay away from?

Which are the Jeep Wrangler years to avoid? If you are considering buying a Jeep Wrangler, the years to avoid are the 2007, 2008, and 2012 models. Wranglers are not immune to problems but these models are at the top of the list due to how bad these problems were.

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