What causes Jeep 258 Carter BBD to stall at idle?

What causes Jeep 258 Carter BBD to stall at idle?

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 engine does a Jeep CJ-7 have?

About: Studying mechanical engineering at UNR. More About danlab » Jeep Cj-7’s and early wrangler YJ’s with 4.2 liter engines came with a rather lowsy carter bbd carburetor which of goes out fo adjustment.

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.

What causes a jeep to stall at idle?

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. Sometimes the idle will be turned up to a high RPM to avoid the problem.

What causes Jeep 258 bbd to run rich at idle?

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. 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.

About: Studying mechanical engineering at UNR. More About danlab » Jeep Cj-7’s and early wrangler YJ’s with 4.2 liter engines came with a rather lowsy carter bbd carburetor which of goes out fo adjustment.

How to fix idle problem on Jeep 258 Carter?

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.

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.

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.

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.

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 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. Sometimes the idle will be turned up to a high RPM to avoid the problem.

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.