Is there a problem with the Jeep 258 BBD?
The most common problem I see with the engine is it’s inability to idle. Between the 258 in my ’81 CJ-7 and a couple friends that have 258 equipped Wranglers, I have fixed this problem half a dozen times and the cause of the problem has always been the same.
How to fix idle problem on Jeep 258 Carter?
The advantage of this approach is you can make sure there isn’t a lot of junk in the bowls, you can check your float adjustment, etc. It also may help if you have power brakes because the master cylinder may be in the way of getting the choke rod out.
Why does my Jeep Wrangler run rich at idle?
Between the 258 in my ’81 CJ-7 and a couple friends that have 258 equipped Wranglers, I have fixed this problem half a dozen times and the cause of the problem has always been the same. The problem has always been caused by clogged idle tubes that cause fuel to drip out of the venturis and make the Jeep run rich at idle.
Why does my Jeep stall at stop signs?
The Symptoms. The symptoms of the problem include stumbling and sputtering at idle. In advanced cases, the Jeep will stall at every stop sign and will only run at high RPMs. Gas mileage will suffer since fuel will just be sloshing out at idle.
What kind of models did Jeep have in the 1980s?
There were 14 trim models throughout the years: Base, SE, Wagoneer Limited, Briarwood, Pioneer, Pioneer Olympic Edition, Chief, Sport, Country, Classic, Limited, Laredo, Freedom and 60th Anniversary Edition. The Jeep® Comanche (also called the MJ) was a pickup version of the XJ Cherokee.
What are the most common problems with jeeps?
11 Common Jeep Problems & Complaints. 1 1. Death Wobble. Death Wobble is probably the most infamous problem in the Jeep community. Owners of some of their top models like the Jeep Grand 2 2. Exhaust Leaks. 3 3. Clogged Fuel Injectors. 4 4. Failing Throttle Position Sensor. 5 5. Water Leaks and Wind Noise.
Why is my Jeep wandering in one direction?
Take the Jeep out for a test drive. Test driving the Jeep can give you some clue as to the source of the wandering problem. Accelerate to approximately 35 mph and let go of the wheel. If the vehicle makes a sudden veer in either direction, then you probably have an alignment problem.
What kind of carburetor does a jeep 258 have?
Fixing the problem is relatively easy and once you get past this problem, you will get much more enjoyment from the 258 and the Carter BBD carburetor. The Carter BBD is a two barrel carburetor that was available on late 70s to late 80s Jeeps with the 4.2L engine.
The most common problem I see with the engine is it’s inability to idle. Between the 258 in my ’81 CJ-7 and a couple friends that have 258 equipped Wranglers, I have fixed this problem half a dozen times and the cause of the problem has always been the same.
The advantage of this approach is you can make sure there isn’t a lot of junk in the bowls, you can check your float adjustment, etc. It also may help if you have power brakes because the master cylinder may be in the way of getting the choke rod out.
Fixing the problem is relatively easy and once you get past this problem, you will get much more enjoyment from the 258 and the Carter BBD carburetor. The Carter BBD is a two barrel carburetor that was available on late 70s to late 80s Jeeps with the 4.2L engine.
Between the 258 in my ’81 CJ-7 and a couple friends that have 258 equipped Wranglers, I have fixed this problem half a dozen times and the cause of the problem has always been the same. The problem has always been caused by clogged idle tubes that cause fuel to drip out of the venturis and make the Jeep run rich at idle.
Remove hoop that holds air cleaner. Remove the two screws holding the choke plate with a 3/16″ socket or small flat blade screw driver depending on what screws you have holding it. Be careful not to drop the screws down the manifold unless you enjoy fishing.
How to upgrade ignition on Jeep 258 I-6?
1. Up Grade to the Motorcraft distributor & DuraSpark ignition module, and add the upgrades described above for the Motorcraft distributor. 2. Use an electronic ignition conversion kit for the Delco distributor, and use the DuraSpark or MSD ignition modules, but you will have to go to the aftermarket for adequate distributor caps & rotors.
What kind of wire does a jeep 258 I6 use?
Larry Maggio reports he used wires from a ’77-’83 Ford Fairmont with 200 I6 engine and they worked well. The firing order on the 258 is 1-5-3-6-2-4. I used a test light to figure out which wire was the hot on run wire to my Prestolite ignition module. I cut off the old plug and soldered on a wire with a spade connector.
When did the Jeep 258 engine come out?
The 258 used in ’72-’78 CJs, J-series pickups, and Wagoneers, some used a 1bbl carb and lower compression than later 258s. The 258 was introduced in 1971 as the standard engine in J-series pickups and Wagoneers.