black/blue smoke after maf replacement - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

Jonnyblaze · 07-09-2008, 06:05 PM

hey guys, i just replaced a bad maf and now my car idles correctly. the only problem is the car is smoking HEAVILY.. anyone know what some of the causes of this are?

mekaw · 07-09-2008, 06:18 PM

black smoke means you are burning oil. blue is coolant i think? or is it white...

dont quote me, i am pretty new to the car scene.

Jonnyblaze · 07-09-2008, 06:24 PM

white is coolant..

lob@ller · 07-09-2008, 06:28 PM

Black-running rich. White- coolant. Blue-oil.

Jonnyblaze · 07-09-2008, 07:55 PM

its definately blue.. piston rings?

nicku · 07-09-2008, 09:08 PM

Quote:

Originally Posted by Jonnyblaze

its definately blue.. piston rings?

do a compression test...if the numbers are okay...then its your valve seals...like my car....hahaha...shit load of smoke coming out

lob@ller · 07-09-2008, 09:07 PM

Yeah I'd say either rings or valve guides... poop

allntrlundrgrnd · 07-09-2008, 09:11 PM

i feel your pain.

i have good compression but still blow blue smoke. guess its valve seals

07-09-2008, 06:05 PM	#1
Jonnyblaze Zilvia Member Join Date: Feb 2007 Location: Oxnard, CA Posts: 285 Trader Rating: (1) Feedback Score: 1 reviews	black/blue smoke after maf replacement hey guys, i just replaced a bad maf and now my car idles correctly. the only problem is the car is smoking HEAVILY.. anyone know what some of the causes of this are? __________________ '91 Hatch - Work in Progress

07-09-2008, 06:24 PM	#3
Jonnyblaze Zilvia Member Join Date: Feb 2007 Location: Oxnard, CA Posts: 285 Trader Rating: (1) Feedback Score: 1 reviews	white is coolant.. __________________ '91 Hatch - Work in Progress

07-09-2008, 06:28 PM	#4
lob@ller Leaky Injector Join Date: Jan 2008 Location: Jerzee Posts: 143 Trader Rating: (0) Feedback Score: 0 reviews	Black-running rich. White- coolant. Blue-oil. __________________

07-09-2008, 07:55 PM	#5
Jonnyblaze Zilvia Member Join Date: Feb 2007 Location: Oxnard, CA Posts: 285 Trader Rating: (1) Feedback Score: 1 reviews	its definately blue.. piston rings? __________________ '91 Hatch - Work in Progress

07-09-2008, 09:07 PM	#7
lob@ller Leaky Injector Join Date: Jan 2008 Location: Jerzee Posts: 143 Trader Rating: (0) Feedback Score: 0 reviews	Yeah I'd say either rings or valve guides... poop __________________

07-09-2008, 06:18 PM	#2
mekaw Join Date: Mar 2008 Location: burnaby Posts: 42 Trader Rating: (0) Feedback Score: 0 reviews	black smoke means you are burning oil. blue is coolant i think? or is it white... dont quote me, i am pretty new to the car scene.

07-09-2008, 09:11 PM	#8
allntrlundrgrnd Nissanaholic! Join Date: Jul 2007 Location: Portland, OR Posts: 2,483 Trader Rating: (17) Rides Gallery: allntrlundrgrnd Feedback Score: 17 reviews	i feel your pain. i have good compression but still blow blue smoke. guess its valve seals __________________ https://www.instagram.com/kook_180sx

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