Spoems - E85 Flex Fuel Conversion 1998 Taurus

E85 Flex Fuel Conversion 1998 Taurus

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http://www.flexfuelmyride.com We converted a 1998 Taurus to Flex Fuel in my Engine Perfomance III class. The video begins when we already attached the Fuel Flex International harness to the rear 3 injector connectors. Because this is a V6 we had to remove the upper intake plenum to gain access to the injectors. This is not the case with 4 cyl and 8 cyl engines. They are much easier to convert and can usually take less than an hour. The conversion kit adds approx 14% more fuel to the A/F ratio and for each step on the potentiometer we can add or subtract about 2.5% (that is a set it and forget it tweak). To burn E85 (9.8 to 1 A/F Ratio), we need a richer mixture. As I explain later in the video, it should NOT run too rich for 100% conventional gasoline or too lean when running 100% E85 -- making this truely flex fuel capable without flipping a switch. We didn't get good pictures of the kit or the installation to the injectors, but that part is really simple. The only burdensome part is pulling the intake plenum. Now if you don't want to do pull the intake, the kit can also be easily hard wired. After several days of driving E85, the owner of this 147,000 mile Taurus has reported that she loves the way it drives! She was doing 85 mph, without notice. Had to slow down. It runs smooother and she feels more confident. Now she wants to keep it!

Channel: Autos & Vehicles
Uploaded: February 11, 2008 at 12:13 pm
Author: SirLena312

Length: 0:04:49
Rating: 5.00
Views: 1,873

Tags: E85 Ethanol Flex Fuel Conversion 105 Octane Renewable

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Video Comments:
9sec2valve (Sunday 26th of October 2008 11:37:37 AM)
Nice job.
gunforme (Thursday 11th of September 2008 10:52:48 PM)
I've got a 97 Taurus GL which I believe is gas only. I was interested in converting it if I could. What does a conversion kit cost? I can do the work myself. I've actually had this engine tore apart several times just tinkering with it. I've heard the E85 is about 50 cents cheaper around here than gas. I'd appreciate any info you could offer. Thanks!
LS1Heli (Sunday 27th of April 2008 08:06:44 PM)
Where do you people come up with this shit? No, not all are FFVs. I have a 2005 Taurus and the 8th digit is "2".
SirLena312 (Monday 28th of April 2008 05:34:02 AM)
OK the you agree. That means your Taurus is flex fuel. This 1998 taurus we converted has a VIN code U, which is gas only. There were 3 gas only engines and one flex fuel engine in the Taurus in 1998.
PaganEgyptian (Monday 21st of April 2008 06:13:25 AM)
Ford states all 98-05 Taurus are already Flex Fuel..... Umm, Nice use of random words to seem smart. All you need are larger injectors for it to flow 14% more. If it sets a lean code, your injectors are too small. Thats why Taurus run 24# injectors, for more fuel delivery capability when using E85, the O2 will automatically tell the PCM when to adjust for different concentrations of Ethanol due to O2 content.
SirLena312 (Monday 21st of April 2008 02:15:49 PM)
No, all Taurus are NOT FFV. There is a spceific VIN code and this vehicle does not have it. The 8th digit is the indicator. Ethanol use a 2, Methanol use a 1.
SirLena312 (Wednesday 23rd of April 2008 11:40:36 AM)
In 1998, there were four engine codes. U = 3.0 EFI, S = 3.0 DOHC, N = 3.4 DOHC and 2 = 3.0 Flex Fuel. This 1998 vehicle happens to be VIN code U = 3.0 EFI, gas only.
SirLena312 (Monday 21st of April 2008 03:52:22 PM)
Yes, the O2 feedback causes the PCM to adjust the fuel trim. That is exactly what I said. And after conversion the PCM adjusted the fuel trim by approx -14%, because of the extra pulse from the FFI module. The tank had 100% gas in it, so the O2 was reading rich. The owner of the vehicles had NOT put E85 in the tank yet (for it to get a new lean signal). Also, those fancy words are industry terms. As a technician, you need to know what they mean, and that is what I teach to my students.