20 Most Recent 1989 Jeep Wrangler - Page 9 Questions & Answers

if it's a 2.5l it's under the coil. Held in with two screws for coil and two bolts for module

make sure that you are getting fuel to the motor.guessing that its a 4.0 i6 motor,check the fuel pump by haveing some 1 turn the key on while your under the gas tank near the pump.if its a really quiet pump u might have to put your ear to the tank.If it turn on the u need to check to see if fuel is getting to the fuel rail,should have a test port on it,that looks like a very short valve stem for a tire.turn the key on then check if it puts out fuel through the port.if it does then you need to see if your injectors are getting voltage.

These are known for the crank sensor going bad, i would replace the crank sensor and go from there, i think it will solve your spark problem.

0 psi and you have to ask? There is something terribly wrong in the second cylinder, you will have to at least remove the head to find out what.

any vacumn at booster, should be 17 inches of vacumn

it will be under the vehicle near the gas tank. I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

is there power to the coil when ignition switch is on? If L-6 motor check position sensor at top of bell housing at firewall, common problem on these, Distributor components?

TIMING MARK SCALE A LITTLE ABOVE THE CRANKSHAFT PULLEY DAMPER.DISTRIBUTOR ROTATION CLOCKWISE IN WHICH ADVANCE WOULD BE CLOCKWISE.GET ENGINE ON NUMBER 1 FIRING POSITION WITH TIMING MARK ON DAMPER TO THE O MARKING ON TIMING SCALE.REMOVE DISTRIBUTOR CAP ROTOR SHOULD BE POINTING TO NUMBER 1 PLUGS POSITION.STANDING AT SIDE OF ENGINE NUMBER 1 FIRING POSITION ON DISTRIBUTOR AT 6 OCLOCK POSITION.

This could be due to your PCV valve ( positive crankcase ventilation )
not working right to pull out the vapors from engine. This would be the simple fix. The other problem could be to much blow by past the piston rings

take it to the mechanic who put the pump in and tell him to fix it....
Theres a return line and a vent line ...that will cause an odor if disconnected... These should have been delt with as a fuel pump replacement issue... and should be covered by the installation tech who did the job.

Not sure which engine you have, but here is diagram for 4-banger. I can get the others, but I think the starter curcuit will be the same. This may not be readable after download. Starter circuit is in upper left. I also attached a blowup that is better res.

The brake switch under the pedal is malfunctioned internally and getting short causing this problem.Get the brake switch replaced. make sure your brake light switch is working properly . if so, check for power at your light sockets. if there is no power , possibility of either a broken or corroded wire or a loose ground. If you look at your brake pedal, there's a switch that closes a circuit, and gives power to your brake lights. Thanks. Keep updated for any more query. You can rate this solution and show your appreciation

look for a broken feed wire somewhere ,sorry i have no product knowledge to tell you where to look first ,but under bonnet is often a fuse box with the big main fuses that feed the fuse box inside the vehicle ,

Probably becuse when selling the vehicle 4-wheel drive had a problem and the vacuum is what switches into 4-wheel mode.The lights would come on indicating 4x4 on.and without lifting vehicle off the ground you couldnt tell. An old trick of the trade. ?

It will leak more if you fill it up and operate the clutch. Have someone watch underneath to find the leak. Car does not need to be running to do this. If you don't see anything on the ground, check where the rod passes through the firewall under the dash. Fluid may be coming out of the back of the master cyl.