Code 45 - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

A Dying Devotion · 02-27-2003, 12:50 PM

So the other day I was driving around and decided to have a little fun and drive really quick shifting around 6k well next thing I know a check engine light comes on, so im thinking ok well that is cool I get home and take a look I get code 45, fuel injector leak, I am gonna search right now see if anyone has info on this if I find some ill delete this. But thanks for reading guys.

A Dying Devotion · 02-27-2003, 01:00 PM

Ok did a search no one said anything about the code 45 but I figured something about it being maybe the O rings leaking? But then why would that throw a code? Anyways I also found some steps to replacing the O rings:
To change seals:
1- Remove STB if u have one
2- Unbolt that round thing from the top of the rail (vacuum lines running into and out of it.)
3- Unbolt rail
4- HOLDING BOTH SIDES of rail, pull STRAIGHT out slowly
5- DON'T DROP THE INJECTORS!
6- Pull out injectors, put in tupperware or something
7- Use some gasoline to remove gunge from injectors w/ rag
8- Clean inside injector boss w/ q-tip & gasoline
9- Check bosses for damage
10- Remove old o-rings and seals
11- Clean o-ring and seal seats
12- lube up injectors w/ vasoline
13- lube up bosses
14- place injectors into manifold
15- CAREFULLY place rail bosses over injector (tails?)
16- Line everything up nice nice
17- GENTLY push assembly together, if u feel resistance add more lube)
18- Rail should now sit right on manifold (bolt should NOT pull assembly together)
19- Wrench bolts back in after lubing them and torque to spec.

Anyone know if a leaking O ring would throw a code?

turbo240sx · 02-27-2003, 01:31 PM

YES, mine did the same ****. i cleand them and reinstalled them same code. i put new o rings on it and it worked fine

A Dying Devotion · 02-27-2003, 02:04 PM

Ok great thanks man.

*transient* · 02-27-2003, 07:50 PM

Yeah, you never want to reuse injector o-rings. Always buy new.

A Dying Devotion · 02-28-2003, 03:36 PM

Well I was having a problem with my car shaking a lot after I got stuck in the mud when it was raining here not to long ago and when I went to power wash all the mud off the inside of the wheel I also did an engine wash. Next thing I know i start up my car and no check engine light. Is it a fluke? I guess its a mixed blessing, no more light, but does it still leak?

02-27-2003, 12:50 PM	#1
A Dying Devotion Leaky Injector Join Date: Jan 2003 Location: Murrieta, CA Age: 38 Posts: 80 Trader Rating: (0) Feedback Score: 0 reviews	Code 45 So the other day I was driving around and decided to have a little fun and drive really quick shifting around 6k well next thing I know a check engine light comes on, so im thinking ok well that is cool I get home and take a look I get code 45, fuel injector leak, I am gonna search right now see if anyone has info on this if I find some ill delete this. But thanks for reading guys. __________________ Your my blessing in disquise, you make me realize, just where I want to be years from now.

02-27-2003, 01:00 PM	#2
A Dying Devotion Leaky Injector Join Date: Jan 2003 Location: Murrieta, CA Age: 38 Posts: 80 Trader Rating: (0) Feedback Score: 0 reviews	Ok did a search no one said anything about the code 45 but I figured something about it being maybe the O rings leaking? But then why would that throw a code? Anyways I also found some steps to replacing the O rings: To change seals: 1- Remove STB if u have one 2- Unbolt that round thing from the top of the rail (vacuum lines running into and out of it.) 3- Unbolt rail 4- HOLDING BOTH SIDES of rail, pull STRAIGHT out slowly 5- DON'T DROP THE INJECTORS! 6- Pull out injectors, put in tupperware or something 7- Use some gasoline to remove gunge from injectors w/ rag 8- Clean inside injector boss w/ q-tip & gasoline 9- Check bosses for damage 10- Remove old o-rings and seals 11- Clean o-ring and seal seats 12- lube up injectors w/ vasoline 13- lube up bosses 14- place injectors into manifold 15- CAREFULLY place rail bosses over injector (tails?) 16- Line everything up nice nice 17- GENTLY push assembly together, if u feel resistance add more lube) 18- Rail should now sit right on manifold (bolt should NOT pull assembly together) 19- Wrench bolts back in after lubing them and torque to spec. Anyone know if a leaking O ring would throw a code? __________________ Your my blessing in disquise, you make me realize, just where I want to be years from now.

02-27-2003, 01:31 PM	#3
turbo240sx Zilvia Member Join Date: Oct 2002 Location: CT Posts: 166 Trader Rating: (0) Feedback Score: 0 reviews	YES, mine did the same ****. i cleand them and reinstalled them same code. i put new o rings on it and it worked fine __________________ 240sx s-13 TURBO weekend v-8 killer 90 Talon TSI WARNING.THIS CAR IS EQUIPPED WITH A TURBOCHARGER. DUE TO POSSIBLE BREATHING PROBLEMS UNDER HEAVY ACCELERATION, ALL FEMALES ARE ADVISED TO REMOVE ANY TIGHT FITTING OR RESTRICTIVE CLOTHING FOR SAFETY.

02-27-2003, 02:04 PM	#4
A Dying Devotion Leaky Injector Join Date: Jan 2003 Location: Murrieta, CA Age: 38 Posts: 80 Trader Rating: (0) Feedback Score: 0 reviews	Ok great thanks man. __________________ Your my blessing in disquise, you make me realize, just where I want to be years from now.

02-27-2003, 07:50 PM	#5
transient Premium Member Join Date: Jun 2001 Location: Los Angeles, California Age: 41 Posts: 2,947 Trader Rating: (0) Feedback Score: 0 reviews	Yeah, you never want to reuse injector o-rings. Always buy new. __________________ Learn everything you can, while you still have the chance.

02-28-2003, 03:36 PM	#6
A Dying Devotion Leaky Injector Join Date: Jan 2003 Location: Murrieta, CA Age: 38 Posts: 80 Trader Rating: (0) Feedback Score: 0 reviews	Well I was having a problem with my car shaking a lot after I got stuck in the mud when it was raining here not to long ago and when I went to power wash all the mud off the inside of the wheel I also did an engine wash. Next thing I know i start up my car and no check engine light. Is it a fluke? I guess its a mixed blessing, no more light, but does it still leak? __________________ Your my blessing in disquise, you make me realize, just where I want to be years from now.