need help

baby bronco · Post by **baby bronco** » Tue Oct 24, 2006 9:06 pm

i have a 86 b2 manual and something is wrong with it. everytime i give it the gas when it gets to a certain point it starts missing and i dont know what it is. could any of you guys help me out. i would really appreciate it

Joel H · Post by **Joel H** » Wed Oct 25, 2006 8:48 am

If it's a 2.9L then I would check the timing.

84_4x4 · Post by **84_4x4** » Wed Oct 25, 2006 4:17 pm

if its a 2.8 carburated i would check carb or vacuum leaks mine did that real bad when i first bought it but all better now

baby bronco · Post by **baby bronco** » Tue Oct 31, 2006 8:59 pm

its like it messes up when it wants to....and it only does it when i give it a certain amount of gas im really baffeled on this one

84_4x4 · Post by **84_4x4** » Wed Nov 01, 2006 11:57 am

rebuild the carburated if you can do it yourself fairly cheap wouldent hurt to replace fuel filter also

plowboy · Post by **plowboy** » Wed Nov 01, 2006 12:38 pm

You're hitting the rev limiter?

Sorry couldn't resist

baby bronco · Post by **baby bronco** » Wed Nov 01, 2006 5:54 pm

what is a rev meter and its fuel injected.....i was thinking the fuel pump or unjectors....

DBrown · Post by **DBrown** » Thu Nov 02, 2006 4:25 am

I would start by pulling codes to see if anything comes up. you can have it done at autozone for free. also checking the iqnition system to make sure you are getting a strong spark would be a good idea if no codes come up. the next place I would go from there would be to check the timing.

plowboy · Post by **plowboy** » Thu Nov 02, 2006 7:32 am

"rev limiter" The computer only lets the engine turn a certain amount of rpms ...revolutions per minute...revs. It kills the ignition intermittently so you can't over rev the motor and blow it up.

Sorry I don't want to confuse you. I was just being a wise-in-heimer.

Follow DBrown's advise. I would also check fuel pressure, fuel filter, and fuel regulator.

Bob Myers · Post by **Bob Myers** » Thu Nov 02, 2006 9:16 am

Good quality plug wires, plugs and a distributor cap would be the first to look at. And I don't mean that cheap stuff from Autozone or Advance either. If you can find them put Autolite wires on

baby bronco · Post by **baby bronco** » Mon Nov 06, 2006 8:33 pm

well it doesnt really matter anymore becuase i rolled her over this weekend.....shes not messed up too bad but i think i will park her for a while

84_4x4 · Post by **84_4x4** » Mon Nov 06, 2006 9:50 pm

rolled her while wheelin or accident on road

baby bronco · Post by **baby bronco** » Thu Nov 09, 2006 9:01 pm

i was wheeling around my hometown and the road gave becuase its made out of sand.....shes ok though.....i will put plug wires and cap but not the most exspensive because i want to sell her and i dont want to spend that much money on her

FatMan · Post by **FatMan** » Thu Nov 09, 2006 9:28 pm

dont waist any money till you pull codes. could be a # of thing's. efi is similar to the human brain. everything is controled by the computer recieving signals from various sensor components.

larry85 · Post by **larry85** » Fri Nov 10, 2006 4:56 am

How do you pull the codes on a 86 model? I thought that that started on 96 an up models.