Civic-EG.com Forum 3.3.1

- Mon Mar 15, 2010 7:55 pm #181425 Okay so on saturday when I was trying to take the head off my car, I had to remove the spark plugs which I did, n after I took em out I noticed that the spark plug in cylinder 2 was blacker then the rest, y is that

[suspendedHatch]

- Tue Mar 16, 2010 3:11 am #181502 Bad injector.

Get that fixed before you blow your motor. That cylinder is running rich, throwing off the O2 sensor and everything else. It's going to ruin your cat, your O2 sensor, and it could cause your ECU to lean out the mixture on the other 3 cylinders.

- Wed Mar 17, 2010 4:09 pm #181860

Bad injector.

Get that fixed before you blow your motor. That cylinder is running rich, throwing off the O2 sensor and everything else. It's going to ruin your cat, your O2 sensor, and it could cause your ECU to lean out the mixture on the other 3 cylinders.

agreed, its getting too much fuel on that cylinder

your spark plugs should all be a toasty brown color on a well running engine

94 Civic Hatch turbo b16 (My weekend warrior)
94 Civic Hatch SOHC VTEC ZC (DD) 33+ MPG

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- Wed Mar 17, 2010 5:08 pm #181877 Check ur fule pressure regulater as we'll they go bad and start 2 allow fule 2 go in from the vacume line usaly the hole car runs rich aka all 4 cylenders r rich but one time on a freinds motor all the gass was going in one cylender..... so after u change ur injectore fun the car 4 an hour and then check 2 c if u have gas in the vacume line that gose 2 the fpr