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Hello, Kind of embarrassing to have to ask this but I disassembled my gear box partially and decided to start with my pump rebuild first which I completed and found this piece lying around. Any idea what it goes to if either of these major steering components? I am at a loss I tried photo...

Hey there, I want to perform a cylinder balance test with my Innova OBDi reader but am not sure if the 1990 2.9 is SEFI or not. It says in the manual it's only for SEFI so I don't know whether I can perform this test or not. Please let me know if there's a way to do this test if it isn't. Thank...

My Bii was running great up until about a month ago when I got a code 41 CEL. That code has since gone away after a good ol italian tune up and has not returned in the past 3 weeks. However, I now notice that when I hit the gas after being stopped it feels incredibly weak even if i floor it. If...

I have a 90 Bii that never goes above the "o" on normal. The ECT and temp switch to gauge have been replaced, the latter i assume is what fixed the old issue of having no gauge reading at all. There is a 180 thermostat installed which I know would make it run cooler but idk about that much...

I can't figure out why, but my ac/heater blows air when it's fully in the off position. It does not do this when the car is off but when I'm driving and get too warm I turn off the heater like anyone else but the darn thing keeps blowing even though it's slight. But it's slight enough to keep...

While chasing down a code 41 that I've just about had it with, I was tracing wires and vaccum lines when I noticed the Ground wire to RH fender near the battery leads to nothing. Does anyone know what this grounds? The wire is still ground to the fender but doesnt lead anywhere. In my vac and...

Hey there. I just started getting a check engine light and the only code I'm pulling is code 41. This is a newer o2 sensor and I have a replacement but was wondering what else could be the issue. I bench tested the grey and black wires and received rising and lowering voltage when using a torch...

I installed this product as described in the instructions. Red wire to 12v constant, brown wire to key on 12v, black wire to ground and purple wire spliced into black wire on O2 Sensor cable. The unit does not work. When I disconnect the unit the backlight will flash for a split second and turn...

Hey there, I'm about to replace my front and rear shocks, coil springs and leafs springs. I was just wondering what else I should replace while I'm down there. Bushings(which ones)? Nuts? U bolts? As you can probably tell, im really not too keen on what all goes into suspension as I can't find a...

Hey there. I was wondering if the 2.9 can handle anything more than the 12 degrees base advance for a little more power? I currently have it set back to the stock 10 degrees advance so that I was able to pass CA smog and now that i have passed i was about to set it back to 12 but wanted to know...

Hey there, I have a 1990 Bronco II XLT 4x4 that has been edging ever closer to finish. I've recently replaced the brakes almost in their entirety for the rear and still after bleeding the entire system have both the yellow and red brake lights illuminated and I now have a flashout CODE 4...

So I've officially finished rebuilding my passenger drum after replacing the siezed parking brake cable and so I began to bleed the brakes. I bled the passenger wheel cylinder first and was able to get brake fluid to bleed through it. Upon cracking the bleed valve on the driver side wheel...

So I've had an abs light and parking brake light on my dash since I got the old gal but she braked fine with fronts until now and ran unimpeded. Well I decided before taking her in for a smog since I just replaced the cat after a fail that I was going to safen her up and try to get at least one...

Hey there all! I just got back from a failed smog test. As you can see I got a pass on everything except my HC ppm at 15 mph and my NO ppm at both 15 and 25 mph. It has a fresh new o2 sensor and last i checked i had no codes. And they passed me on the OBD system check. I have not replaced the...

Hey there. 1990 Bii project trying to get to body restore but I'm having 4x4 and apparently transfer case end issue. If you check the attached photo, it appears that I have a leak at what I assume is the rubber piece and it's spraying my undercarriage something fierce. Any idea what the part is...

Hello! I swapped out my 4x4 transfer case motor on my 1990 Bronco II XLT and I now have no lights at the dash at all and zero control module actuation. Before the swap the lights would come on for both 4 Hi and 4 Lo and the you could hear the 4x4 control module function. Now there is zero...

What is this opening on my 2.9? I got down there to clean and change the oil sender unit and noticed there's a deeply recessed port. Not sure if it's the norm and I'm just overreacting but I don't want to run to pick n pull to check without asking first. Any clue what this is and if there should...

Have some connectors unplugged with no wires dangling for an idea what they are. One is in the engine compartment next to the harness with light blue wires. Appears to go to VSS based on a manual 89 so I grabbed that cable but mine has dark green/white and orange wires on its vss connector with...

Hey there all!!! I've officially searched through this site, FTE, and even explorer forums(posted this on there too) but still can't find a straight answer as to a possible problem with my trans. Here is what I changed: Transtec valve body gaskets. Transgo and Superior Shift kit combined. Sonnax...