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Registered User
Join Date: Oct 2006
Location: Chas, SC
Posts: 1,054
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Gas smell
1986 930 3.3 - I smell gas on acceleration and boost. Under normal driving I don't notice any smell whatsoever.
No smog, no cat, all else stock. Timing is also set to specs, and idle is approx 1k. I have not checked CO, but when I changed the plugs and adjusted the valves last week all was OK. I did have the odor on accel and boost before I did the service, and before I removed the smog and cat.
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Tim 1986 930 Gone:71,2,4 914's, 70T, 71T(RS),77S |
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01-03-2007, 06:03 PM
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A fellow Pelacanite
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Check the small rubber hose that comes from the WUR and goes into the air filter housing assy is not dumping fuel. If it is flowing fuel (it is meant to be just a vent) then your WUR needs to be rebuilt or replaced.
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1981 UK 930. G50/01 shortened, 964 3.8RS Fibreglass Body Kit, 18" Alloys 8.5" F & 10" R, 225's F & 285's R, Special Colour Metallic Blue Paint, FIA Sparco Evo's, A/C and Air Pump removed, Electronic Boost Controller, GHL Headers, Tial46 WG. Fitting - New service kit. Needs Fitting - Innovate XD-16 Kit, Kokeln IC. Stephen's K27 HFS, EVO Intake Assy & his Modded USA Fuel Head. 1983 UK 911 3.2 Carrera Sport Coupe. Black, Black Leather with Red Piping, Black Alloy Gear Knob, K&N Air Filter Element, Turbo Tie rods. Needs Fitting - K&N CO Sensor, Round A/F Dial Gauge, Factory Short Shift Kit. http://www.danasoft.com/sig/Iamnotanumber.jpg |
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01-04-2007, 01:33 PM
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Location: Atlanta, Georgia
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If you have access to a CO or an LM-1 meter, use it to check for rich mixture. Also check all rubber fuel hoses and clamps. How's the fuel mileage?
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87 930 96 BMW M3 Coupe 89 951 Peugeot moped |
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01-04-2007, 01:57 PM
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Mileage was approx 14 on last tank, with mixed city,hwy driving. I'll ck the hoses.
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Tim 1986 930 Gone:71,2,4 914's, 70T, 71T(RS),77S |
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01-04-2007, 03:11 PM
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930s rule the wasteland
Join Date: Dec 2006
Location: Spotsylvania ,Virginia
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i have seen a loose spark plug give a fuel smell
food for thought pete
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1980 930 Turbo 1993 Corrado 1983 944 1984 944 2001 VW golf TDI |
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01-04-2007, 04:58 PM
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Quote:
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Tim 1986 930 Gone:71,2,4 914's, 70T, 71T(RS),77S |
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01-04-2007, 06:40 PM
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A fellow Pelacanite
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It doesn't have a clamp. With the fault I describe, when the engine is running fuel pours out of the hose into the air cleaner.
I think if it was that you would have known when you checked.
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1981 UK 930. G50/01 shortened, 964 3.8RS Fibreglass Body Kit, 18" Alloys 8.5" F & 10" R, 225's F & 285's R, Special Colour Metallic Blue Paint, FIA Sparco Evo's, A/C and Air Pump removed, Electronic Boost Controller, GHL Headers, Tial46 WG. Fitting - New service kit. Needs Fitting - Innovate XD-16 Kit, Kokeln IC. Stephen's K27 HFS, EVO Intake Assy & his Modded USA Fuel Head. 1983 UK 911 3.2 Carrera Sport Coupe. Black, Black Leather with Red Piping, Black Alloy Gear Knob, K&N Air Filter Element, Turbo Tie rods. Needs Fitting - K&N CO Sensor, Round A/F Dial Gauge, Factory Short Shift Kit. http://www.danasoft.com/sig/Iamnotanumber.jpg |
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01-05-2007, 03:01 PM
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Location: North Houston
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have you dismissed that it may be coming from an area from your gas filler to your engine? 1. when you fill up with gas, does your cap release a vacuum when you unscrew it? 2. is there a smell of fuel in the engine compartment or trunk when you lift the bonnets?
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___________________ Ryan 2001 996 Twin Turbo 1982 930 |
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01-12-2007, 04:23 AM
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Good point. I was just thinking about that the other day. When I was low on fuel, did not notice the smell, but when I filled it back up I did. Going to pay more attention to the fuel level as related to the gas smell over the next couple of tanks. See if it goes away as the fuel level decreases.
And going to re ck the CO after I change the muffler out. Thanks for the repsonse... tim.
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Tim 1986 930 Gone:71,2,4 914's, 70T, 71T(RS),77S |
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01-12-2007, 08:23 AM
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