Replaced all 6 fuel injectors.
Alternator died.
Exhaust rusted out.
Factory Del-co/Bose audio system completely died. It only works for about 5 minutes and then totally cuts out. I think it's the amplifier.
Transmission has numerous little problems.
EGR valve is turning on the "Service Engine Soon" light everyday.
Rear brake caliper seized.
ABS relay shorted out.
Condenser and evaporator are both in need of replacing, therefore I have no air conditioning.
Courtesy circuit (fuse #3) has shorted and keeps popping the fuse. The power locks, dome light, and cigarette lighter are on this fuse.
This is a great car... when it is running properly.
The suspension makes the car handle like a dream.
This engine, however, is a mechanics nightmare. A few common problems are such a pain to fix or replace. e.g. Alternator and timing belt.
I bought this car for $5000 and I have put well over $3000 into it and it still needs a ton of work done to it.
The only time I ever got the performance I should have was when I cleaned the injectors and ran a bottle of "GM Top Engine Cleaner" through it.
Technology from 92 was pretty slow. that is why most things in your car do not work. ABS from 92 is old tech. My old 92 Buick had out dated ABS. the problems you have, is from a time of new technology with limited, feedback and poor technology.
My Z34 runs great! The handling is perfect. I just had a mechanic that I know, repair the timing belt, and it took only 2 hours to complete, with no complaint coming from the mechanic. I don't understand why everyone is trying to turn this engine into a horror story, it's not hard to repair, just time consuming if you don't know what you're doing.
Don't feel bad I am having just as bad a time as you are no mechanic will tough this car because the engine is so tight. but I do LOVE this car she is my baby.
My dad had a z-34, and he loved it. He always said it was very fast for it's price. One day while he was driving it, he smelled smoke so he pulled over. He opened the hood, and the car went up in flames. They never found out why, but he always said he would love to buy another.