1990 Mazda B2600 Q&A

1990 Mazda B2600 Question: cylinder drop

truck was running fine,now cylinders 2 and 4 will not fire. I have good spark on both cylinders. Engine will run,but I can remove plug wires and engine sound the same.apparently I'm not getting fuel to those cylinders.Yes,the engine is fuel injected,it is the 2.6L I. -
Answer 1
help--mine is doing exactly the same thing--did you get to the problems--thanks a bunch--was told yesterday that computer is bad and causung problems -
Answer 2
DID U HAVE A TUNE UP DURING THE TIME BETWENE UR PROBLEMS ? -
Answer 3
I had the same problem which I corrected by having the ECU rebuilt by AVProECM. http://www.avproecm.com/mazda.htm Look into this problem on other forums. You'll see that this is quite common and the repair is very effective. Costs about $200. -