1996 Nissan Maxima Repair Question
I have a 1996 Maxima and I have a miss in #3 cylinder. I replaced # 3 injector and I lost # 5 cylinder. I replaced # 5 cylinder and I lost # 3 injector again. What's Up! Compression is good, switched coils and no difference, changed plugs around, no diff
what was the compression exactly?? did you do a wet and dry test??
how are the plugs?? did you change them?? how many coils did you replace?? as far as vecuum leaks, you need to have the system smoke tested as looking at it is very hard to determine a leak.
also, the fuel rail may have dirt in it and thus contaminating the new injectors. always a good idea to remove the rail completely and flush the rail of all dirt and debris.
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Those are good suggestions but they still do not answer the question. If the screens in the old one is not contaminated the possibility of contamination is remote. I tried to fire the injector with a 9v battery and it would not click the new the others did. I guess I could have gotten a bad injector. The compression was within standard limits and there is no smoke in the exhaust. I do not have a smoke tester. 155 to 165 in all. Switched coil and no difference. I will check wiring and ohms at the injectors
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Check the wiring back to the PCM to make sure there are no issues with the wiring. Also, check the plug going to the PCM to make sure there is no corrosion, damage, or pins pushed in on the plug itself. For curiosity, if you take a new injector and place it on cyl 1, does that cylinder then miss?
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