Timing or carb


#1

i have a 1987 cj7 jeep.has a strait 6 cyl,5 speed.my friend the shop repairman said the carb needs to be rebuilt.when i drive it i have to pull the choke out a little and it runs fine.i told him the timing off.so,my ? is whos right?


#2

What does the choke have to do with the timing?

If pulling the choke out a little makes it run right, that means the mixture is too lean and/or the idle is too low. This means the carb almost certainly at leasts needs a cleaning and adjustment and quite possibly a rebuild.


#3

Why do you think the timing is off. It sounds to me like the carb.


#4

I am curious. You have a manual CHOKE on a 1987 Jeep?


#5

Consider adding a can of sea foam to 8 gallion gas and driving it out, Seafoam is a great cleaning product I found it at wally world now too. Colud be varnish in the carb i’d try the $7.00 can first.


#6

Do you have a timing light? If not, can you borrow one? If this shop repairman is your friend, ask him to adjust the timing to specs (takes all of 2 minutes) and it’s really easy to do. VOILA! Still running funny? Try adjusting the idle up a half a screw turn. Try the Seafoam too, Shadetree is dead on with this one. Last thing I’d do would be to rebuild the carb. Eliminate the other possibilities first. Rocketman


#7

First check to see if the intake manifold is not falling off (bolts/studs loose) as this is VERY common with these Rambler engines…This usually destroys the idle too…This is probably a computer controlled “feedback” carburetor and they can be nightmares to rebuild properly…