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i just picked up a DRB II scanner just to have. but I'm getting a COP Failure and a garbled screen. does anyone have an idea what this error is referring to? i tried a different set of adaptor cables and a different cartridge and its looking like its a fault of the scanner itself.

who make a good power steering gear? i have put 5 in in the last 2 years and out of the box all have been bad. one lasted a month and it was bliss and then started popping and binding. the one that lasted a month had all new parts installed at the time to. not rebuild. pump lines and gear. are...

I just got new tires for my 88 and when they went to do the alignment they said I had "weak" ball joints. Ok they are probably the original except for one. Anyway I replaced the drives side upper and lower first. And it got really bad bump steer and will not return to center. I ended up doing...

I'm trying to find the source of a vibration. i have reason to believe its coming from the rear as when my parking brake was working if you pulled on it a little it would get much worse. i still need to rebuild my transfer case as its a bit noisy. but I'm not sure if that can cause this...

i have an 88 and i'm trying to replace the steering shaft. I have ordered 2 different ones and fully extended they are only 20.5 inches and the listing claims 23.9 inches. is there some trick to this to get it to extend more. it slides out and feels like its hitting a metal stop.

I have been plagued with a low "ish" idle problem for a while now. I have a new rebuilt engine with 11k Miles on it. Runs fine and idles smooth just low. Around 550-600. And sometimes almost stalls or stumbles. When cold started it idles up fine and once warmed it sits low. All sensors are...

88 cherokee ecu is showing low voltage on my REM with a/c on and blower on high its reading 12.0-12.6 this should be a reading at the b+ latch voltage at the ecu. at the diagnostic port D2-12 im showing ~13.28 and at the battery 13.58. so charge voltage is good. i have not checked the actual...

My 88 came with I believe the class 1/2 tow package as it has a factory trailer light connector and nutstrips in the frame It has a 5 pin flat connector but it's too big for any current adapters I could find. I'd rather not have to splice in a replacement. Has anyone run into this before?

is there a full door lock cylinder set for an 88? i have never had a hatch key on any jeep I have had. my current jeep didn't even come with cylinders in the doors! i see some people selling used sets on ebay but id like to find some new ones if i can. unless i can rekey the rear hatch somehow.

Has anyone tried bypassing the stock ignition switch with relays so it's not pulling all those amps through? I have a slightly high voltage drop issue to my accessories and I'm planning on wiring relays in and grabbing a cable from the battery. Besides the voltage Guage reading low if I check...

i have never had much luck getting brakes working in a cherokee. i recently swapped in a 99 brake booster and master in my 88. bled the brakes twice and still the pedal will go to the floor. it does stop but it would not lock any of the wheels up as it hits the limit before it can. when the...

I just swapped in a brand new WJ brake booster and master cylinder into my 88. The original single diaphragm had a hissing noise and I wanted to upgrade to something better than the suggestion of stopping. Swap went well. I didn't use a spacer but peddle hight was fine. Used weather stripping...

so i haven't had luck with my jeep lol i bought it with a blown motor. that also was not the original. its an 88 and had a 91-95 engine in it. but cylinder 5 was destroyed. and 3-4 had a blown head gasket. swapped engines with my 90 4.0 and then the flexplate cracked and i assumed it was a...

will a 91-95 exhaust manifold fit with a renix intake? i cant seem to find the front pipe for my 88 cherokee. and i also think i might have a crack on my manifold also. i can find the parts for a 91 but im not sure if the manifold will clear the intake. im not using the egr anymore so i can...

I have an 88 xj and i have been having this really bad vibration and i think its coming from the rear. last year it was so bad that hitting the brakes would make it much much worse. i ended up doing a brake job in the rear with all new parts drums, shoes and all the adjusters and stuff too. and...

im trying to figure out my paint code on a 88 cherokee. i have figured out the main body color as CE (Dark Baltic) but its listed as CEAL on the metal tag. is AL the lower half color? or is it not listed as a code?

88 Cherokee 4.0 Im having this interesting voltage issue. i have a REM device that reads the ECU data from the diagnostic output. and im getting a low voltage reading from that. it reads the voltage when the B+ Latch relay is closed and i would surmise that this should be battery voltage. but...

1988 Cherokee 4.0. suction line has a bump in it. Is it a muffler? I have reason to believe what ever it is has gotten clogged as I'm frosting up on it. I just replaced my dryer and noticed this. Also there is some kind of valve thing that connects to the dryer does it also have a name?

How hard would it be to swap a newer A/C system into a renix Cherokee? i have factory air but its hard to find the A/C lines and was thinking of swapping to a newer A/C system. Probably just compressor and everything except the condenser and evaporator. Im just thinking of this as an option if...

I have a spare HVAC unit that i'm going to rebuild. Does anyone sell the vacuum lines and gaskets for the heater core and fresh air intake? Also i was going to go with this to hopefully improve heating performance. https://www.amazon.com/Crown-Automotive-56000049-Heater-Core/dp/B00A4HZECS...