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nismo300zx
06-21-2005, 03:49 PM
ok first of all i am only running 5 cylinders, i think its cylinder number 6, its the one where the vaccum line is, in the right side of the car.

as you all know, the coil connector has 3 wires, two black and a red one. I check them with a tester, all the other connector will do these

the middle one(black cable), the light will stay off, the other black wire will bring the light on in the tester, and the red one will bring a tiny light.

in that cylinder with the problem the red one doesnt send me any light, i already change the connector, and still having the problem, i took it to my mechanic and he run the computer and the computer show code 21.

now here is my question, what can i do to make that cylinder to start working again??? whats the easiest way to get my car to start running like it should be? this is my daily drive car, so i really need help.

thx for everything

bye

TC
06-21-2005, 05:34 PM
Reread my PM at 3ZC. :) With a code 21 and missing a cyl, I'd bet the farm you have corroded connectors on the PTU.

All too classic.

drewtiss
03-11-2009, 02:39 AM
ok first of all i am only running 5 cylinders, i think its cylinder number 6, its the one where the vaccum line is, in the right side of the car.

as you all know, the coil connector has 3 wires, two black and a red one. I check them with a tester, all the other connector will do these

the middle one(black cable), the light will stay off, the other black wire will bring the light on in the tester, and the red one will bring a tiny light.

in that cylinder with the problem the red one doesnt send me any light, i already change the connector, and still having the problem, i took it to my mechanic and he run the computer and the computer show code 21.

now here is my question, what can i do to make that cylinder (not gmc truck parts (http://www.autopartsdeal.com/gmc_truck/parts.html)) to start working again??? whats the easiest way to get my car to start running like it should be? this is my daily drive car, so i really need help.

thx for everything

bye

Hmm.. yeah, could anyone here possibly say what the code 21 is? I use to get this all the time. Thanks.