BG running rich

deviousbamf · 25-11-2013, 04:43 PM

my bg is rinning rich what can i do to make it run better without taking it to someone

derb · 25-11-2013, 05:44 PM

How do you know it's running rich? Bad fuel eco doesn't always equal rich running. Do you have that build up of crap on your bumper near the exhaust?

deviousbamf · 25-11-2013, 06:08 PM

i have the black stuff and if i leave the car idling when say doing oil changes or something i can smell it

Old Grey · 25-11-2013, 06:52 PM

My experience was that my car started using more fuel, it went from 8.3l/100 to 9l/100km and had black soot on the bumper. I farted around with ignition, that didn't work. Next, the airflow meter was out of spec so a bought a good one that was in spec from a wrecker, but that was a waste of $60. Finally I took out the Lambda oxygen sensor and heated the tip with an oxy until it was red to burn off whatever was fouling it, and that fixed it for 2 years. My car uses a bit of oil, so I assume it fouls it in time.

deviousbamf · 26-11-2013, 11:58 AM

so i guess im should try replacing the spark plugs and cleaning the air filter?

tau9 · 27-11-2013, 07:09 AM

Quote:

Originally Posted by deviousbamf

so i guess im should try replacing the spark plugs and cleaning the air filter?

If the air filter is old or too dirty you should replace it

Less air = less oxygen = rich mixture

But the MAF sensor is supposed to adapt the mixture according to the air that gets into the engine :/

deviousbamf · 27-11-2013, 06:47 PM

honestly don't have a clue when the filter was changed last, for all i know it could be 21 years old

project.r.racing · 27-11-2013, 06:56 PM

well thats a start. do to all the baisc stuff first. then come back and ask if it hasn't solved you problem.

Cosmo Dude · 27-11-2013, 09:14 PM

Give the poor car a full service.
If it's not maintained then it will use more fuel, run rough, stall and all sorts of unwanted behaviour.

Astina Gold · 05-01-2014, 06:28 AM

I'm assuming it's a BG with a Carb..?

Ran a Weber 32/36 on my Sons 323.

How was I going to tune it since it is old and very voodooish nowadys..?

I bought one of these:

Gunson Colortune

http://www.ebay.com/itm/170674818644

If you know where your fuel mixture screw is... the rest is a piece of cake.

==============

EDIT: Saw your avatar. Basic stuff like air filter, spark plugs, leads, coil, rotor, cap and maybe buy a new O2 sensor

v
v

25-11-2013, 04:43 PM	#1
deviousbamf Junior Member Join Date: Feb 2013 Location: Newcastle Car: BPT Astina Posts: 42 View Photos By: deviousbamf	BG running rich my bg is rinning rich what can i do to make it run better without taking it to someone __________________

25-11-2013, 05:44 PM	#2
derb Senior Member Join Date: Oct 2008 Location: Brisbane Car: 1993 BG Astina GT-X Posts: 1,822 View Photos By: derb	How do you know it's running rich? Bad fuel eco doesn't always equal rich running. Do you have that build up of crap on your bumper near the exhaust? __________________ 1993 BG Astina 'GT-X'

25-11-2013, 06:08 PM	#3
deviousbamf Junior Member Join Date: Feb 2013 Location: Newcastle Car: BPT Astina Posts: 42 View Photos By: deviousbamf	i have the black stuff and if i leave the car idling when say doing oil changes or something i can smell it __________________

26-11-2013, 11:58 AM	#5
deviousbamf Junior Member Join Date: Feb 2013 Location: Newcastle Car: BPT Astina Posts: 42 View Photos By: deviousbamf	so i guess im should try replacing the spark plugs and cleaning the air filter? __________________

27-11-2013, 06:47 PM	#7
deviousbamf Junior Member Join Date: Feb 2013 Location: Newcastle Car: BPT Astina Posts: 42 View Photos By: deviousbamf	honestly don't have a clue when the filter was changed last, for all i know it could be 21 years old __________________

25-11-2013, 06:52 PM	#4
Old Grey Junior Member Join Date: Apr 2009 Location: Sydney Car: Astina BG 1991 - Rx7 S4 Posts: 105	My experience was that my car started using more fuel, it went from 8.3l/100 to 9l/100km and had black soot on the bumper. I farted around with ignition, that didn't work. Next, the airflow meter was out of spec so a bought a good one that was in spec from a wrecker, but that was a waste of $60. Finally I took out the Lambda oxygen sensor and heated the tip with an oxy until it was red to burn off whatever was fouling it, and that fixed it for 2 years. My car uses a bit of oil, so I assume it fouls it in time.

27-11-2013, 06:56 PM	#8
project.r.racing Senior Member Join Date: Sep 2004 Location: n/a Car: n/a Posts: 10,929	well thats a start. do to all the baisc stuff first. then come back and ask if it hasn't solved you problem.

27-11-2013, 09:14 PM	#9
Cosmo Dude コスモ Join Date: Dec 2002 Location: Location: Vic Car: Mazda '95 Astina I4, '86 B2K and '10 3 MZR-CD Posts: 7,888 View Photos By: Cosmo Dude	Give the poor car a full service. If it's not maintained then it will use more fuel, run rough, stall and all sorts of unwanted behaviour. __________________ My 'stina Hatch

05-01-2014, 06:28 AM	#10
Astina Gold Junior Member Join Date: Jun 2012 Location: SE QLD Car: BG Astina \| Ford Laser KN Posts: 91	I'm assuming it's a BG with a Carb..? Ran a Weber 32/36 on my Sons 323. How was I going to tune it since it is old and very voodooish nowadys..? I bought one of these: Gunson Colortune http://www.ebay.com/itm/170674818644 If you know where your fuel mixture screw is... the rest is a piece of cake. ============== EDIT: Saw your avatar. Basic stuff like air filter, spark plugs, leads, coil, rotor, cap and maybe buy a new O2 sensor v v Last edited by Astina Gold; 05-01-2014 at 06:32 AM.