car backfiring when in first?

DangeRS · 05-01-2002, 12:42 AM

my car backfires now soemtimes when i put it into first gear and give it some gas? why? its sooo scary...sounds liek i am doign soemthign wrong.. and do you all get alot of water comign out of your exhausts? especially in teh mourning.... i let my car warm up all teh time.....what is it?

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EvasionOfTruth · 05-01-2002, 12:51 AM

Stock exhaust?

Mine(non stock) does this when I had floored it then back off the gas rather quick. From what I understand it is unused gas hitting the Cat. The water coming out of the exhaust is from some kind of condensation I believe, a friend explained it before don't remember all of it though. Personally I don't worry about it to much.

Buster

Jademonkey · 05-01-2002, 11:39 AM

In a sense, the water is condensation. Remember, all combustion reactions produce at least two things...Carbon Dioxide, and water. Water is normal.

Stealthbmbr · 05-01-2002, 04:50 PM

I was told that the cat changes the unfriendly carbon monoxide to a more friendly water vapor(condensation). Or something like that. It is normal.

PPTough · 05-02-2002, 12:22 AM

When the pipes heat up they cause condensation. This is then pushed out of the back of the car by the presser of the exhaust.
Its normal and will happen with all cars.
The Cat only takes unused gass and burns it so that your exhaust is cleaner. No magic water tricks

doobie · 05-02-2002, 12:00 PM

Ahh yes the mystery of Subaru!!

Mine backfires in 1st 2nd 3rd, and sometimes forth, and I like it. You're right from what I've heard... Raw fuel through the system hitting the hot exhaust results in a pop. Due to the system running rich.

Steve

tcs007 · 05-02-2002, 12:24 PM

Or it will backfire real good if you have an exhaust leak like me.

NNeves · 05-02-2002, 02:11 PM

i get the same thing, i was somewhat worried about it but my mechanic told me its normal for scoobies.

05-01-2002, 12:42 AM	#1
DangeRS Scooby Specialist Member#: 4579 Join Date: Mar 2001 Location: XxNiKi Vehicle: MY01 XxNiKi XxNiKi	car backfiring when in first? my car backfires now soemtimes when i put it into first gear and give it some gas? why? its sooo scary...sounds liek i am doign soemthign wrong.. and do you all get alot of water comign out of your exhausts? especially in teh mourning.... i let my car warm up all teh time.....what is it? * Registered users of the site do not see these ads.

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05-01-2002, 12:51 AM	#2
EvasionOfTruth Scooby Specialist Member#: 13282 Join Date: Dec 2001 Chapter/Region: MAIC Location: Richmond, VA Vehicle: 2007 FXT WRB SPB Edition	Stock exhaust? Mine(non stock) does this when I had floored it then back off the gas rather quick. From what I understand it is unused gas hitting the Cat. The water coming out of the exhaust is from some kind of condensation I believe, a friend explained it before don't remember all of it though. Personally I don't worry about it to much. Buster

05-01-2002, 11:39 AM	#3
Jademonkey Scooby Specialist Member#: 9213 Join Date: Aug 2001 Location: My grandma was 6' 6" Vehicle: 2000 RS Red	In a sense, the water is condensation. Remember, all combustion reactions produce at least two things...Carbon Dioxide, and water. Water is normal.

05-01-2002, 04:50 PM	#4
Stealthbmbr Scooby Specialist Member#: 13823 Join Date: Jan 2002 Chapter/Region: MAIC Location: Hanover, MD Vehicle: 2009 Legacy 2.5i SE C A P S CAPS CAPS CAPS	I was told that the cat changes the unfriendly carbon monoxide to a more friendly water vapor(condensation). Or something like that. It is normal.

05-02-2002, 12:22 AM	#5
PPTough Scooby Newbie Member#: 6031 Join Date: Apr 2001 Location: Milton, WA Vehicle: 2001 Impreza RS 2.5 Sliver	When the pipes heat up they cause condensation. This is then pushed out of the back of the car by the presser of the exhaust. Its normal and will happen with all cars. The Cat only takes unused gass and burns it so that your exhaust is cleaner. No magic water tricks

05-02-2002, 12:00 PM	#6
doobie Scooby Specialist Member#: 6570 Join Date: May 2001 Chapter/Region: South East Location: Dunedin, FL Vehicle: 04 WRXSW 9.3 TRB0 CNV	Ahh yes the mystery of Subaru!! Mine backfires in 1st 2nd 3rd, and sometimes forth, and I like it. You're right from what I've heard... Raw fuel through the system hitting the hot exhaust results in a pop. Due to the system running rich. Steve

05-02-2002, 12:24 PM	#7
tcs007 Scooby Specialist Member#: 4103 Join Date: Feb 2001 Chapter/Region: MWSOC Location: Madtown Vehicle: 2003 WRX Wagon Reddish	Or it will backfire real good if you have an exhaust leak like me.

05-02-2002, 02:11 PM	#8
NNeves Scooby Newbie Member#: 4973 Join Date: Mar 2001 Location: Newark,NJ,USA Vehicle: 2000 2.5 RS Blue	i get the same thing, i was somewhat worried about it but my mechanic told me its normal for scoobies.