RB25 starts then dies. - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

yamisojdm · 01-10-2009, 01:17 PM

My rb25 setup
-FMIC
-12" dual E-fans
-MP 60-1 turbo
-XSpower single mani
-custom 3" DP
-3" catback
-Manual boost controler
-turbo timer
-walbro
-fpr w/gauge
-boost gauge and A/F gauge

I've had the car since tuesday and it drove fine. Then this morning I went to start it up, it started just fine but idled less than 1,000 rpm then shuts off. Later in that day i tried it again. It started up and right before it died i gave it gas n kept it at 2,000rpm untill my temp meter got to where it was suppose to. Then it stayed on and i just let it cooled down then shut it off. I was thinking maybe it was just a cold start. Then 30 mins later I went to try again it would just start then not catch it's idle and die.

Please help.

*handinpants* · 01-10-2009, 06:02 PM

Have you checked the fuel pressure when it is on? Also do a compression test. Is the maf plugged in?

yamisojdm · 01-10-2009, 07:02 PM

compression was tested at 155psi across all 6cylinders leak down test 5% with in spec. maf is plugged in and the fuel pressure was at 2 and a half....

Monooxide · 01-11-2009, 11:01 AM

Check for vacuum leaks and the such.

Also, make sure your IACV is adjusted correctly/properly functioning.

yamisojdm · 01-11-2009, 04:11 PM

adjusted the idle and now it idles just fine. Only thing is when i start it up it idles like at 500 so i just give it gas a bit n it catches back up to where it's suppose to idle.

ANVIL · 01-12-2009, 10:15 AM

check all your lines, you might have a vacuum leak

01-10-2009, 01:17 PM	#1
yamisojdm Leaky Injector Join Date: Feb 2008 Location: south florida Age: 32 Posts: 73 Trader Rating: (0) Feedback Score: 0 reviews	RB25 starts then dies. My rb25 setup -FMIC -12" dual E-fans -MP 60-1 turbo -XSpower single mani -custom 3" DP -3" catback -Manual boost controler -turbo timer -walbro -fpr w/gauge -boost gauge and A/F gauge I've had the car since tuesday and it drove fine. Then this morning I went to start it up, it started just fine but idled less than 1,000 rpm then shuts off. Later in that day i tried it again. It started up and right before it died i gave it gas n kept it at 2,000rpm untill my temp meter got to where it was suppose to. Then it stayed on and i just let it cooled down then shut it off. I was thinking maybe it was just a cold start. Then 30 mins later I went to try again it would just start then not catch it's idle and die. Please help.

01-10-2009, 06:02 PM	#2
handinpants FreshColdBeer.com Join Date: Feb 2008 Location: California Age: 38 Posts: 2,665 Trader Rating: (48) Rides Gallery: handinpants Feedback Score: 48 reviews	Have you checked the fuel pressure when it is on? Also do a compression test. Is the maf plugged in? __________________

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01-10-2009, 07:02 PM	#3
yamisojdm Leaky Injector Join Date: Feb 2008 Location: south florida Age: 32 Posts: 73 Trader Rating: (0) Feedback Score: 0 reviews	compression was tested at 155psi across all 6cylinders leak down test 5% with in spec. maf is plugged in and the fuel pressure was at 2 and a half....

01-11-2009, 11:01 AM	#4
Monooxide Zilvia Addict Join Date: Mar 2005 Location: Farmington/Flint, MI Age: 33 Posts: 675 Trader Rating: (8) Feedback Score: 8 reviews	Check for vacuum leaks and the such. Also, make sure your IACV is adjusted correctly/properly functioning.

01-11-2009, 04:11 PM	#5
yamisojdm Leaky Injector Join Date: Feb 2008 Location: south florida Age: 32 Posts: 73 Trader Rating: (0) Feedback Score: 0 reviews	adjusted the idle and now it idles just fine. Only thing is when i start it up it idles like at 500 so i just give it gas a bit n it catches back up to where it's suppose to idle.

01-12-2009, 10:15 AM	#6
ANVIL Zilvia FREAK! Join Date: Apr 2005 Location: Anchorage, Alaska Posts: 1,173 Trader Rating: (8) Feedback Score: 8 reviews	check all your lines, you might have a vacuum leak