WRX engine under my 240sx hood - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

TOMKAIRA93 · 01-29-2008, 01:11 PM

yeah, that's how my car sounds. I've posted before things that I've gone through with my car and after all has been corrected (fuel pump hose, plugs, boost leaks, etc...) now my car sounds like a WRX.
Its not the coil packs, or MAF. The car does not feel too underpowered, but its definetely not running right and it idles fine.

If you've gone through this, please post your experience and corrected action. I would appreciate any help/ suggestions.

OH...car specs: Stock SR red top with FMIC

Slidin240Wayz · 01-29-2008, 01:13 PM

Dead coil pack.

I have extra if you want to buy a set or just one.

Edit...woops.

My bad...check the FSM.

How did you check the coil packs?

Burnt ECU?

Carlos

johngriff · 01-29-2008, 01:14 PM

exhaust gasket(s) blown out, check for leaks around the turbo.

Dutchmalmiss · 01-29-2008, 01:19 PM

Timing, plugs, coilpacks, injectors, or gasket leak.

!Zar! · 01-29-2008, 01:20 PM

One of your coilpacks or injectors.

Make your car sound like a suby but you don't loose too much power.

MomentumGT · 01-29-2008, 01:21 PM

I've dealt with a similar problem on my sr a couple of times. 1)there was water/moisture in the spark plug wells 2)spark plug electrod melted off 3)bad coil pack.

-Jon

iRONDONkey · 01-29-2008, 01:23 PM

man thats awesome hahha. that exhaust sound is so beastly. be sure to post up a vid!

mehsilvia · 01-29-2008, 01:33 PM

I had a similar problem. Resulted in a bad connection between the coilpack and harness, where the two connect with the large plugs. Some of the wires on the engine harness side were not secure so the connection was bad (similar to bad coil like mentioned above).

JandMmotorsports · 01-29-2008, 01:36 PM

check your compression in each cylinder. check yo head gasket

SHIFT_*grind* · 01-29-2008, 01:51 PM

Mine did that, it was a coilpack problem.

TOMKAIRA93 · 01-29-2008, 02:03 PM

Thanks for the replies guys...out of all the solutions am inclining towards the blown gasket theory. I beleive there's a slight gasket leak around the turbo so that could very well be the culprit. We checked the coil packs by taking off one by one. All seemed to affect the idle when taken off. I removed all spark plugs as well a few times and didn't see any moisture or weird things. ECU is good cuz my brother in law hooked it up to his SR and it worked fine. And I just hope is not the head gasket at all. this car hasn't even driven more than 50 miles combine since installing the engine. The motor is good cuz I pulled it myself from the car in japan, so I know the engine was in good running condition before removal. I think my next step is to replace the turbo manifold gasket. It's a cheapie one anyways. Will be getting metal type. Thanks again guys. +1 for all the inputs.

johngriff · 01-29-2008, 04:03 PM

gasket material doesnt matter as much as making sure the downpipe is mounted to the trans, that not being hooked up kills those gaskets.

--= :-D

S-Nation S13 · 01-29-2008, 05:17 PM

if you swapped or installed new injectors...did you make sure you used new O-Rings?...and if yo did did you lube the rings enough to where when you installed then it didnt feel like it was rubbing?

trust me cause i did that and my cylinder 1 was flooded and on top of that it got worse to the point to where my car shut down.....
hope this help

KOUKI KAN KAN · 01-29-2008, 05:23 PM

Check out your sparkplugs thats what it was for me .

S-Nation S13 · 01-29-2008, 08:22 PM

ok if you want i can tell you how to step by step to determine where you are at fault pm me if interested

Sir · 01-31-2008, 08:47 AM

damn you for making me think this was a build thread

TOMKAIRA93 · 01-31-2008, 09:42 AM

Quote:

Originally Posted by Sir

damn you for making me think this was a build thread

It does not mean you have the right to give me negative rep.

S-Nation S13 · 01-31-2008, 10:32 PM

tomkaira93 you fig out what the prob. was hit me up if you have anymore questions?

180sx_Drifter · 01-31-2008, 10:36 PM

check your coilpacks. but before you do that check for any leaks. mine was sounding nasty and ended up being a loose nut on the manifold to turbo connection.

sillyvia13 · 01-31-2008, 10:40 PM

I would say it's a clogged fuel injector!
while car is running, pull 1 injector electric plug off, if it doesn't make a difference in idle thats your cylinder with issue...

Remove injector and replace...

This is only a shot in the dark from what I have read...but I would bet 83% sure thats it... I will call cylinder #3 too! lol...

pm me when you check and lmk...hahaha...

water · 02-01-2008, 12:47 PM

Well you know your ecu is good but did you try another ecu on your car? There's always the possibility that its your harness.

When you look at the plugs, does any one look dramatically different than the others?

TOMKAIRA93 · 02-01-2008, 12:51 PM

I beleive the problem is turbo manifold leak...if not, I will check "injector 3". LOL Nah, I should have an answer this weekend. I'm going to work on the gaskets and then check the injectors. I'll post my results when done.

TOMKAIRA93 · 02-21-2008, 06:41 AM

Quote:

Originally Posted by sillyvia13

I would say it's a clogged fuel injector!
while car is running, pull 1 injector electric plug off, if it doesn't make a difference in idle thats your cylinder with issue...

Remove injector and replace...

This is only a shot in the dark from what I have read...but I would bet 83% sure thats it... I will call cylinder #3 too! lol...

pm me when you check and lmk...hahaha...

I ended up replacing the turbo mani gasket (had a leak), but still didn't take the roughness away. I check all the injectors and discovered that when I pulled injector #1 the car would stay the same while the rest made a difference (ran worst). So you were right man...the only problem I have now is that the car still runs the same even after I replaced the injector. This is the weirdest thing ever...I mean, the car was running perfectly fine until my fuel pump hose took a plunge and now everything's going down hill.

To be honest and fair to everyone, I haven't attempted much after I replaced the injector...I figure I'd give it a few weeks. In the mean time, I've been working on the body in preparation for a paint job (will make new thread for this DIY Paint job). So yeah, I been having fun pounding the metal back to its original shape. LOL
But yeah, my car still doesn't run smooth, that's the bottom line.

MomentumGT · 02-21-2008, 11:57 AM

^Might be an O-ring

-Jon

steve shadows · 02-21-2008, 12:05 PM

What if someone did swap a 2.5 liter wrex motor in a 240....

hmmm

TOMKAIRA93 · 02-21-2008, 12:09 PM

Quote:

Originally Posted by steve shadows

What if someone did swap a 2.5 liter wrex motor in a 240....

hmmm

that'd be interesting, but an SR sounding like one

unicoladron · 02-21-2008, 12:10 PM

Quote:

Originally Posted by steve shadows

What if someone did swap a 2.5 liter wrex motor in a 240....

hmmm

it'd be a bitch to change the spark plugs lol

rps13sh · 02-21-2008, 12:11 PM

Quote:

Originally Posted by Slidin240Wayz

Dead coil pack.

I have extra if you want to buy a set or just one.

Edit...woops.

My bad...check the FSM.

How did you check the coil packs?

Burnt ECU?

Carlos

yes, what he said

Neejay · 02-21-2008, 12:43 PM

Quote:

Originally Posted by steve shadows

What if someone did swap a 2.5 liter wrex motor in a 240....

hmmm

I would LOVE to do this (as I plan on getting a wrx/sti).

That's what I was hoping for when I clicked this thread.

johngriff · 02-21-2008, 02:51 PM

Test for resistance on the injector plug to the corresponding ecu plug, and check for supply power on the other pin.

Then check spark.

If all that is good, its the injector/oring. Is it running rich/black smoke out of the tail pipe/check for burn on the spark plug.

John

01-29-2008, 01:13 PM	#2
Slidin240Wayz Post Whore! Join Date: Jan 2005 Location: Everywhere Age: 40 Posts: 5,427 Trader Rating: (9) Feedback Score: 9 reviews	Dead coil pack. I have extra if you want to buy a set or just one. Edit...woops. My bad...check the FSM. How did you check the coil packs? Burnt ECU? Carlos __________________ Support Zilvia by purchasing a sticker!

01-29-2008, 01:19 PM	#4
Dutchmalmiss Post Whore! Join Date: Apr 2003 Location: Socal (323) Age: 39 Posts: 3,501 Trader Rating: (14) Feedback Score: 14 reviews	Timing, plugs, coilpacks, injectors, or gasket leak. __________________ Pignose, biaaatch.

01-29-2008, 01:20 PM	#5
!Zar! Post Whore! Join Date: Nov 2004 Location: North Korea Posts: 14,579 Trader Rating: (27) Feedback Score: 27 reviews	One of your coilpacks or injectors. Make your car sound like a suby but you don't loose too much power. __________________

01-29-2008, 01:21 PM	#6
MomentumGT Zilvia.net Advertiser Join Date: Sep 2006 Location: Riverside/Perris CA Age: 46 Posts: 356 Trader Rating: (0) Feedback Score: 0 reviews	I've dealt with a similar problem on my sr a couple of times. 1)there was water/moisture in the spark plug wells 2)spark plug electrod melted off 3)bad coil pack. -Jon __________________ momentumgt.com - "building blocks of speed"

01-29-2008, 01:51 PM	#10
SHIFT_grind Nissanaholic! Join Date: Nov 2004 Location: NWA Age: 42 Posts: 2,066 Trader Rating: (7) Feedback Score: 7 reviews	Mine did that, it was a coilpack problem. __________________ My seller review thread

01-29-2008, 01:11 PM	#1
TOMKAIRA93 Zilvia Addict Join Date: Dec 2005 Location: San Antonio, TX Age: 47 Posts: 696 Trader Rating: (3) Feedback Score: 3 reviews	WRX engine under my 240sx hood yeah, that's how my car sounds. I've posted before things that I've gone through with my car and after all has been corrected (fuel pump hose, plugs, boost leaks, etc...) now my car sounds like a WRX. Its not the coil packs, or MAF. The car does not feel too underpowered, but its definetely not running right and it idles fine. If you've gone through this, please post your experience and corrected action. I would appreciate any help/ suggestions. OH...car specs: Stock SR red top with FMIC __________________

01-29-2008, 01:14 PM	#3
johngriff Post Whore! Join Date: Jun 2004 Location: Long Beach, CA Posts: 4,103 Trader Rating: (4) Rides Gallery: johngriff Feedback Score: 4 reviews	exhaust gasket(s) blown out, check for leaks around the turbo. __________________ [email protected]

01-29-2008, 01:23 PM	#7
iRONDONkey Zilvia Junkie Join Date: Sep 2007 Location: in yo mailbox! Posts: 463 Trader Rating: (1) Feedback Score: 1 reviews	man thats awesome hahha. that exhaust sound is so beastly. be sure to post up a vid!

01-29-2008, 01:33 PM	#8
mehsilvia Post Whore! Join Date: Jun 2006 Location: Simi Valley, CA Age: 49 Posts: 2,642 Trader Rating: (39) Rides Gallery: mehsilvia Feedback Score: 39 reviews	I had a similar problem. Resulted in a bad connection between the coilpack and harness, where the two connect with the large plugs. Some of the wires on the engine harness side were not secure so the connection was bad (similar to bad coil like mentioned above).

01-29-2008, 01:36 PM	#9
JandMmotorsports Join Date: Oct 2007 Location: cocoa FL Age: 39 Posts: 7 Trader Rating: (0) Feedback Score: 0 reviews	check your compression in each cylinder. check yo head gasket

01-29-2008, 02:03 PM	#11
TOMKAIRA93 Zilvia Addict Join Date: Dec 2005 Location: San Antonio, TX Age: 47 Posts: 696 Trader Rating: (3) Feedback Score: 3 reviews	Thanks for the replies guys...out of all the solutions am inclining towards the blown gasket theory. I beleive there's a slight gasket leak around the turbo so that could very well be the culprit. We checked the coil packs by taking off one by one. All seemed to affect the idle when taken off. I removed all spark plugs as well a few times and didn't see any moisture or weird things. ECU is good cuz my brother in law hooked it up to his SR and it worked fine. And I just hope is not the head gasket at all. this car hasn't even driven more than 50 miles combine since installing the engine. The motor is good cuz I pulled it myself from the car in japan, so I know the engine was in good running condition before removal. I think my next step is to replace the turbo manifold gasket. It's a cheapie one anyways. Will be getting metal type. Thanks again guys. +1 for all the inputs. __________________

01-29-2008, 04:03 PM	#12
johngriff Post Whore! Join Date: Jun 2004 Location: Long Beach, CA Posts: 4,103 Trader Rating: (4) Rides Gallery: johngriff Feedback Score: 4 reviews	gasket material doesnt matter as much as making sure the downpipe is mounted to the trans, that not being hooked up kills those gaskets. --= :-D __________________ [email protected]

01-29-2008, 05:17 PM	#13
S-Nation S13 Post Whore! Join Date: Jan 2008 Location: LAND of the LOST Posts: 4,083 Trader Rating: (92) Feedback Score: 92 reviews	lol ive had this problem if you swapped or installed new injectors...did you make sure you used new O-Rings?...and if yo did did you lube the rings enough to where when you installed then it didnt feel like it was rubbing? trust me cause i did that and my cylinder 1 was flooded and on top of that it got worse to the point to where my car shut down..... hope this help

01-29-2008, 05:23 PM	#14
KOUKI KAN KAN Join Date: Jul 2007 Location: Washington Posts: 45 Trader Rating: (0) Feedback Score: 0 reviews	Check out your sparkplugs thats what it was for me .

01-29-2008, 08:22 PM	#15
S-Nation S13 Post Whore! Join Date: Jan 2008 Location: LAND of the LOST Posts: 4,083 Trader Rating: (92) Feedback Score: 92 reviews	ok if you want i can tell you how to step by step to determine where you are at fault pm me if interested

01-31-2008, 08:47 AM	#16
Sir Zilvia Addict Join Date: Apr 2006 Location: IL Posts: 913 Trader Rating: (7) Feedback Score: 7 reviews	damn you for making me think this was a build thread

01-31-2008, 10:32 PM	#18
S-Nation S13 Post Whore! Join Date: Jan 2008 Location: LAND of the LOST Posts: 4,083 Trader Rating: (92) Feedback Score: 92 reviews	tomkaira93 you fig out what the prob. was hit me up if you have anymore questions?

01-31-2008, 10:36 PM	#19
180sx_Drifter Zilvia Junkie Join Date: Jan 2008 Location: SoCal Posts: 557 Trader Rating: (1) Rides Gallery: 180sx_Drifter Feedback Score: 1 reviews	check your coilpacks. but before you do that check for any leaks. mine was sounding nasty and ended up being a loose nut on the manifold to turbo connection. __________________

01-31-2008, 10:40 PM	#20
sillyvia13 BANNED Join Date: Jan 2006 Location: nh Posts: 1,645 Trader Rating: (1) Feedback Score: 1 reviews	I would say it's a clogged fuel injector! while car is running, pull 1 injector electric plug off, if it doesn't make a difference in idle thats your cylinder with issue... Remove injector and replace... This is only a shot in the dark from what I have read...but I would bet 83% sure thats it... I will call cylinder #3 too! lol... pm me when you check and lmk...hahaha...

02-01-2008, 12:47 PM	#21
water Zilvia Junkie Join Date: Nov 2003 Location: FL Age: 45 Posts: 373 Trader Rating: (0) Feedback Score: 0 reviews	Well you know your ecu is good but did you try another ecu on your car? There's always the possibility that its your harness. When you look at the plugs, does any one look dramatically different than the others?

02-01-2008, 12:51 PM	#22
TOMKAIRA93 Zilvia Addict Join Date: Dec 2005 Location: San Antonio, TX Age: 47 Posts: 696 Trader Rating: (3) Feedback Score: 3 reviews	I beleive the problem is turbo manifold leak...if not, I will check "injector 3". LOL Nah, I should have an answer this weekend. I'm going to work on the gaskets and then check the injectors. I'll post my results when done. __________________

02-21-2008, 11:57 AM	#24
MomentumGT Zilvia.net Advertiser Join Date: Sep 2006 Location: Riverside/Perris CA Age: 46 Posts: 356 Trader Rating: (0) Feedback Score: 0 reviews	^Might be an O-ring -Jon __________________ momentumgt.com - "building blocks of speed"

02-21-2008, 12:05 PM	#25
steve shadows Post Whore! Join Date: Aug 2003 Location: LA and OC Posts: 8,202 Trader Rating: (5) Feedback Score: 5 reviews	What if someone did swap a 2.5 liter wrex motor in a 240.... hmmm __________________ Like Me on FaceBook !

02-21-2008, 02:51 PM	#30
johngriff Post Whore! Join Date: Jun 2004 Location: Long Beach, CA Posts: 4,103 Trader Rating: (4) Rides Gallery: johngriff Feedback Score: 4 reviews	Test for resistance on the injector plug to the corresponding ecu plug, and check for supply power on the other pin. Then check spark. If all that is good, its the injector/oring. Is it running rich/black smoke out of the tail pipe/check for burn on the spark plug. John __________________ [email protected]