Mitsubishi Repair: 1995 mistubishi galant 2.4l sohc a/t a/c, crank sensor, vacuum leak

Question
driving and just quit. Replaced spark plugs, wires, distibutor and rotor, now cranks(hard to ) but no idle. Checked compression #1 170, #2 165, #3 160, #4 170. Use OBD1 system had code 59 so replaced second O2 sensor,now no check engine light but still wont idle. Checked timing ,everything lines up.Cleaned out throttle body ,still same problem. Any ideas?

Answer
Graham: I would have the computer coded, I know where is no check engine light. But you know that Mitsubishi farmed out the building of their computers to another company which did not build very good ones. A piece will start to leak into the computer with time it will kill off the computer. It shows up in the very thing that your car is doing. So I would have that computer checked just to make sure it is not the computer or even a weak sensor. Your car is at the age where the sensors start to go bad. You know in the distributor cap there is a sensor it is called the crank sensor. I would still check the distributor to see if there is track in it, a kind of white dust if so replace it again. You might also check for a vacuum leak, they are often hard to find but will mess up a lot of things in the engine. Oh hey did you clear the computer when you replaced that 02 sensor? You clear it by taking the neg cable off the battery waiting 5 minutes and putting it back on. How old is the cables on your battery also? Hope this helps and good luck! Linda... PS. You should have the fuel pump tested to make sure it is putting out enough fuel.