Not sure I remember this correctly, but with older cars that have carburetors, fuel is feed into carb via suction. Maybe you have a failing vakuum pump that's suppose to deliver the suction. If possibly have your error codes read via the OBD portal of your car, you can do this yourself if you have a OBD scanner or have a shop do it for you, shouldn't cost more than 100 bucks to have them scan the ECU or any error codes logged on the ECU. (Engine Control Unit)
SOURCE: catalytic converter question 94 Jeep 4.0
Most likely yes, why remove it, it only pulls about 1-2 HP at wide open throttle.
SOURCE: no pulsating power on the
you need to see if your getting fuel up to the injectors maybe the fuel pumps bad or a relay.
SOURCE: how to replace a jeep tj fuel tank?
I would be really careful with doing this repair as this is very dangerous. You need to relieve the fuel pressure by pulling the fuel pump fuse and starting the truck. Drain the tank with a siphon pump. Remove any exhaust or other parts that are in the way, loosen the straps and support the tank with a floor jack and a block of wood. There are several hoses, and a few wire connectors to disconnect and you may want to replace those hoses while you're down there. Once you put the new tank in, reconnect the electrical and hoses, raise the tank and strap it back up. Put anything else back together you took off the truck.
Personally, I would take this in to get fixed as this is dangerous work (I did mention that). I you do this anyway, use your head and buy a proper container to hold the gas in , as well as jackstands and a class "B" fire extinguisher. Disconnect the battery and don't smoke or use a drop light under the car, and I will not accept responsibility for this.
SOURCE: 1988 jeep wrangler carb trouble
Ok... If you have any experience with carbs, you can get a rebuild kit. The most important part of any rebuild is to clean out obstructions in the passageways. Most times this can be done by using carb cleaner and spraying compressed air through them.Most times, just spraying cleaner into carb while installed is a waste of time as debris usually consists mainly of fine rust particles from inside the fuel tank, which will remain in the fuel bowl unless physically removed. If you can't do this, next best option is to search local junkyards for a similar unit. When replacing, cut the fuel line in a convenient place ahead of the carb inlet and put an aftermarket filter in the line, to prevent debris from re-entering and causing further problems. Most carbs have the adjustments blocked off. before using, it is wise to have someone who knows how to remove those plugs, do this for you so you can adjust it after installed.
Good luck
SOURCE: no injector pulse, no current to the injector
Check the pickup in the distributor as this is the cam sensor. The injectors run of the pulses created while the rotor is turning around. It should be a plastic disk located under the rotor button.
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