What kind of engine does a Jeep Wrangler have?

What kind of engine does a Jeep Wrangler have?

Exhaust Leaks Certain Jeep engines had the habit of developing exhaust leaks. The 4.0-liter inline 6-cylinder engine available in the Cherokee from 1987-2001, the Grand Cherokee from 1993-2004, and the Wrangler from 1991-2006 (among others), was particularly known for this issue.

Are there any problems with the Jeep Wrangler?

Exasperated owners may say “it’s a Jeep thing,” but the truth is, every car or truck you can think of has its own unique quirks and issues, and Jeeps are no exception. Jeeps like the Cherokee, Grand Cherokee, and Wrangler are known to run into certain problems time and again. Of course, I don’t want to discourage anyone from driving a Jeep.

What are the problems with a Jeep 4.0?

The 4.0 can also develop clogged fuel injectors. Deposits build up on the injectors and disrupt the flow of fuel. That can cause rough idling, misfires, or engine “stumbling.” Many Jeepers swear by various fuel additives that clean the injectors as you run the engine.

When do you need an AC serviced on a Jeep Wrangler?

If your Jeep Wrangler is older than 1992, you will need to have the AC system serviced by a professional mechanic because the type of refrigerant used in these older Jeeps is no longer commercially available to the general public. I am a Registered Financial Consultant with 6 years experience in the financial services industry.

Where was the 1999 Jeep Wrangler last serviced?

Purchased on 07/09/99 and owned in CA until 05/07/21. Driven an estimated 6,759 miles/year. Last serviced at 147,181 miles in San Leandro, CA on 05/01/21 • V… No accident or damage reported to CARFAX.

What was the problem with the Jeep Wrangler TJ?

21 Upstream oxygen sensor response slower than minimum required switching frequency. Upstream oxygen sensor heating element circuit malfunction. Downstream oxygen sensor heating element circuit malfunction. Downstream oxygen sensor input voltage maintained above the normal operating range. Oxygen sensor voltage too low, tested after cold start.

What is the trouble code on a Jeep Wrangler?

Count the number of times the check engine lamp on the dash flashes. The number of flashes represents the error code. There will be a short pause between the flashes representing the different digits of the code. Longer pauses separate individual trouble codes. Code 55 will be the last code to be displayed.

What is the knock sensor on a Jeep Wrangler TJ?

320 Crankshaft position sensor reference signal cannot be found while the engine is cranking. 325 Knock sensor (#1) signal is wrong. 330 Knock sensor (#2) signal is wrong. 350 A coil is drawing too much current. 401 A required change in air/fuel mixture was not detected during diagnostic test.