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Fuel and Oil Additives

1246 messages,  Last post on Sep 28, 2009 at 7:37 AM

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What is this discussion about? Fuel System, Engine, Fuel System, Oil, Diesel, Fuel Efficiency (MPG)

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#1048 of 1246 Re: Top Tier Gasoline [texases] by ex_tdier Jul 25, 2007 (7:04 pm)
Replying to: texases (Jul 24, 2007 10:58 am) - Edit regarding sulfur in gas: In general, the sulfur specification for gasoline is 30 PPM.   While the sulfur content average is 30 ppm, the sulfur standard has a maximum per gallon concentration of 80 ppm.
#1049 of 1246 Re: Top Tier Gasoline [shipo] by ex_tdier Jul 25, 2007 (7:11 pm)
Replying to: shipo (Jul 24, 2007 10:46 am) That information is no longer accurate. As of last year ALL road use diesel fuel is considered to be "Low Sulfur Diesel" and by law cannot exceed 15ppm.   Correct, but in Canada it wasn't until late last year and not until last month for Off-Road / Locomotive & Marine Fuel which has a spec of < 500 ppm. Many truck drivers still use colored (off road) diesel fuel because it's cheaper. And, to make things interesting, Canada has no regulatory compliance date for when the terminals must be transitioned to ULSD.
#1050 of 1246 Re: emissions help? [qbrozen] by ray80 Jul 26, 2007 (5:07 am)
Replying to: qbrozen (Jul 25, 2007 11:05 am) Might work. I had a domestic vehicle that failed due to NOX and ened up taking it to an official emmisions ( State has official fix-it places we MUST use sometimes) place and they ened up running about a dozen carbon treatments through it to get it to pass (barely even then).
#1051 of 1246 Emissions by sky23213 Jul 26, 2007 (11:24 am)
I'm so glad we don't have those tests anymore. I got to take a car only once, then the state closed all the stations - I believe the reason was that the cars that did not pass were under 4% of the total tested, so there was pretty much no point doing it. Replies to this message: Mr_Shiftright (Jul 26, 2007 11:44 am) sky23213 (Jul 27, 2007 12:00 pm)
#1052 of 1246 Re: Emissions [sky23213] by Mr_Shiftright HOST Jul 26, 2007 (11:44 am)
Replying to: sky23213 (Jul 26, 2007 11:24 am) I always wished there was technology good enough to just have "sniffer" cars following traffic. That way, only the gross polluters would get taken off the road and we could abolish testing. I'm sure a fleet of sniffers would be cheaper than this massive testing program. It's probably 1% of the cars doing 50% of the polluting.   The sniffer cars could have giant claws, like those automatic tree-cutters Replies to this message: sky23213 (Jul 27, 2007 12:00 pm)
#1053 of 1246 Re: Top Tier Gasoline [imidazol97] by wlbrown9 Jul 27, 2007 (7:07 am)
Replying to: imidazol97 (Jul 24, 2007 6:17 am) Memphis has one refinery. Not sure about right now, but a number of years ago just about all gas sold in this area came from the same tanks with custom additves for each brand or distributor. Amoco was the only one to bring in gas from their own refinery separately. Wonder how that has changed since the BP/Amoco merger.
#1054 of 1246 Re: Emissions [Mr_Shiftright] by sky23213 Jul 27, 2007 (12:00 pm)
Replying to: Mr_Shiftright (Jul 26, 2007 11:44 am)
#1055 of 1246 G20 Infiniti Fuel Injection problem? by shoparound Aug 15, 2007 (4:41 am)
from a cold start, automatic trans moved from P to D, the engine chugs and almost dies. when throttle is evenly applied, the engine feels like power is decreasing. if engine is allowed to warm up for 5 minute the problem diminishes; after complete warm up (after a several mile drive) the start up and go is no problem. the *dealerships* change fuel filter and that's it. except for this unfortunate cold start problem, car rides and drives perfectly. anybody have a guess what to do besides buy a new car? thanks. Replies to this message: shipo (Aug 15, 2007 5:18 am) 1racefan (Aug 16, 2007 11:44 am)
#1056 of 1246 Re: G20 Infiniti Fuel Injection problem? [shoparound] by shipo Aug 15, 2007 (5:18 am)
Replying to: shoparound (Aug 15, 2007 4:41 am) While I've never cracked the hood of a G20, some older fuel injected cars had an extra injector in the intake plenum for the cold/rich cycle. If your car is so equipped, then it sounds like that extra injector is clogged or otherwise inop.   Let us know.   Best Regards, Shipo
#1057 of 1246 Re: G20 Infiniti Fuel Injection problem? [shoparound] by 1racefan Aug 16, 2007 (11:44 am)
Replying to: shoparound (Aug 15, 2007 4:41 am) Doesn't this also sound like a bad throttle position sensor? I had this happen once - would only happen after the car had set for several hours. After shifting into gear, and pressing the gas that initial time, car would barely move, and act like it was going to cut out. After a couple of seconds, it would then go, and would be perfectly fine until the next start up after sitting several hours.   My dealer replaced my TPS, and bam, issue gone.   P.S. - car seemed worse when the weather was hot

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