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Car Forum / Jeep / October 2005Is There a Fix to My Starting Issues?
I have the classic CJ (1986, 258) starting issue? The first start is always difficult, usually taking 2 tries and pumping of the pedal...however once that intial difficult start it starts perfect each and every time until it sets overnight again. It is just that first start even if I shut it off anf restart immediatley it will fire right up! What gives....suggestions? Thanks so much! Could be a stuck choke. > I have the classic CJ (1986, 258) starting issue? The first start is > always difficult, usually taking 2 tries and pumping of the [quoted text clipped - 7 lines] > > Thanks so much! Your gas filter is likely in upside down. It has 2 outlets. The center outlet goes to the carb and the top outlet goes to the return line. If the return line isn't up top, gas will syphon back to the tank when it sits. If the filter is on right, then the next thing to check is the gas line for a pinhole on the suction side. The hole can be small enough to just let air in when it sits and leave a small stain on the line. They leak usually near where the steel line on the frame meets the rubber lines. Have we had this discussion before? Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's > I have the classic CJ (1986, 258) starting issue? The first start is > always difficult, usually taking 2 tries and pumping of the [quoted text clipped - 7 lines] > > Thanks so much! The pump also has a backflow valve. They don't fail often, but it can happen. Mike > Your gas filter is likely in upside down. It has 2 outlets. The center > outlet goes to the carb and the top outlet goes to the return line. If [quoted text clipped - 23 lines] > > > > Thanks so much! >Your gas filter is likely in upside down. It has 2 outlets. The center >outlet goes to the carb and the top outlet goes to the return line. If >the return line isn't up top, gas will syphon back to the tank when it >sits. That wouldn't drain the float bowl. More likely a choke problem. >If the filter is on right, then the next thing to check is the gas line >for a pinhole on the suction side. The hole can be small enough to just [quoted text clipped - 18 lines] >> >> Thanks so much! Is there a way to manipulate the electric choke? Have the engine off and cold and give the gas pedal one shot then open the air filter and look. The choke will be closed or it isn't working. Your symptoms are not choke symptoms. When the choke doesn't work it will still start, but it will not keep running unless you keep pumping the crap out of the gas pedal. You 'certainly' cannot drive away with the choke not working until the engine has warmed up enough to blow heat out the heater. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's > Is there a way to manipulate the electric choke? Take the air cleaner lid off before you try to start it. Open the throttle. If the choke doesn't slam shut, you have a problem. If the choke stays open, it will be very difficult to start, and you'll have to pump the accelerator to get enough fuel into the engine to get it running. Most common cause of a stuck open choke it dirty/gummed up choke linkage. If the choke does slam shut, open it and look down the throat of the carb while opening the throttle again. You should get 2 streams of fuel squirted down the carb. If not, you have an accelerator pump not working. This could also cause difficulty starting, not to mention a pretty good hesitation when accelerating. On an electric choke, the electrical part is only used to heat the choke coil to open it as the engine runs. It doesn't have anything to do with closing the choke, which is what you need to start it cold. >Is there a way to manipulate the electric choke? |
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