Scan tool/Fuel trims - Page 4 - Taurus Car Club of America : Ford Taurus Forum

behlinla · 12-13-2012, 05:31 PM

Yes, it would be nice to have the data from the WOT/snap test and the solo O2 sensor test.

Right now I'm leaning towards you having intake valve deposits. Do you drive a lot of stop and go or have many hot-soak cycles?

04 SEL · 12-13-2012, 05:39 PM

Ok I will do those tomorrow. No I don't do a whole lot of stop and go. At least I don't think I do...what would you consider alot?

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behlinla · 12-13-2012, 05:46 PM

Starting the car more than three times a day, leaving the car off for less than 30 minutes and restarting more than a few times a week, getting stuck in heavy traffic on a regular basis, city driving when you have to stop at a sign or light more than 3-4 times in a mile etc. Anything close to use like a pizza delivery boy.

04 SEL · 12-13-2012, 06:00 PM

Quote:

Originally Posted by behlinla

Starting the car more than three times a day, leaving the car off for less than 30 minutes and restarting more than a few times a week, getting stuck in heavy traffic on a regular basis, city driving when you have to stop at a sign or light more than 3-4 times in a mile etc. Anything close to use like a pizza delivery boy.

Yes some days I start it more than three times a day. Usually at minimum three days a week I do this. Yes a few times a week the car is started less than 30 minutes after being shut off. No, I don't do a whole lot of stop and go whatsoever.

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04 SEL · 12-13-2012, 06:30 PM

Today for instance, my car will have been started four times. Three times within an hour. 7 hours between the other one. No stop and go though. I might add that the car was likely not up to operating temperature for those first three so shouldn't have too much heat soak today

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behlinla · 12-13-2012, 07:52 PM

Well, I don't think you're in the high risk group for deposits, but perhaps the moderate group. Unless you're the first owner you also don't know how it was driven by the previous owner.

I'll know a little more when I get the other test results. When I get the WOT MAF data I'll be able to see if your volumetric efficiency is okay or not.

04 SEL · 12-13-2012, 08:07 PM

PO was an older woman, drive it to work and church mostly. All in the same town, serviced at the dealer. Nothing major in that time though.

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behlinla · 12-13-2012, 08:35 PM

Quote:

Originally Posted by behlinla

When I get the WOT MAF data I'll be able to see if your volumetric efficiency is okay or not.

Oh, I forgot to mention I'll also need some atmospheric parameters when you do the MAF run so I can get the air density. When you do the run record the outdoor temp and % humidity, and also report your elevation and current barometric pressure. If you just tell me the temp and where you did the run I can find a nearby weather station with the rest of the info as well.

04 SEL · 12-13-2012, 08:39 PM

Ok. Will do.

12-13-2012, 05:39 PM	#32 (permalink)
04 SEL Taking Care of Business Member Number: 40467 Join Date: Aug 2011 Location: Western Massachusetts Chapter: Northeast Drives: 2004 SEL Duratec Visit: My Garage Posts: 1,588 Trader Score: 0 reviews Rep Power: 10	Ok I will do those tomorrow. No I don't do a whole lot of stop and go. At least I don't think I do...what would you consider alot? Sent from my iPhone using AutoGuide.com Free App __________________ Ben 2004 SEL, 60k miles, Vibrant White. 35% Tint, K&N Panel filter, Sylvania XtraVisions, Duralast CMAX, Remote Start, 4x Infinity Reference 6832cf, JVC KW-R800BT

12-13-2012, 06:30 PM	#35 (permalink)
04 SEL Taking Care of Business Member Number: 40467 Join Date: Aug 2011 Location: Western Massachusetts Chapter: Northeast Drives: 2004 SEL Duratec Visit: My Garage Posts: 1,588 Trader Score: 0 reviews Rep Power: 10	Today for instance, my car will have been started four times. Three times within an hour. 7 hours between the other one. No stop and go though. I might add that the car was likely not up to operating temperature for those first three so shouldn't have too much heat soak today Sent from my iPhone using AutoGuide.com Free App __________________ Ben 2004 SEL, 60k miles, Vibrant White. 35% Tint, K&N Panel filter, Sylvania XtraVisions, Duralast CMAX, Remote Start, 4x Infinity Reference 6832cf, JVC KW-R800BT

12-13-2012, 08:07 PM	#37 (permalink)
04 SEL Taking Care of Business Member Number: 40467 Join Date: Aug 2011 Location: Western Massachusetts Chapter: Northeast Drives: 2004 SEL Duratec Visit: My Garage Posts: 1,588 Trader Score: 0 reviews Rep Power: 10	PO was an older woman, drive it to work and church mostly. All in the same town, serviced at the dealer. Nothing major in that time though. Sent from my iPhone using AutoGuide.com Free App __________________ Ben 2004 SEL, 60k miles, Vibrant White. 35% Tint, K&N Panel filter, Sylvania XtraVisions, Duralast CMAX, Remote Start, 4x Infinity Reference 6832cf, JVC KW-R800BT

12-13-2012, 08:39 PM	#39 (permalink)
04 SEL Taking Care of Business Member Number: 40467 Join Date: Aug 2011 Location: Western Massachusetts Chapter: Northeast Drives: 2004 SEL Duratec Visit: My Garage Posts: 1,588 Trader Score: 0 reviews Rep Power: 10	Ok. Will do. __________________ Ben 2004 SEL, 60k miles, Vibrant White. 35% Tint, K&N Panel filter, Sylvania XtraVisions, Duralast CMAX, Remote Start, 4x Infinity Reference 6832cf, JVC KW-R800BT

12-13-2012, 05:31 PM	#31 (permalink)
behlinla Technical Advisor Member Number: 14275 Join Date: Dec 2007 Location: Wisconsin Chapter: Midwest Drives: 2006 Taurus SEL Visit: My Garage Posts: 5,699 Trader Score: 0 reviews Rep Power: 10	Yes, it would be nice to have the data from the WOT/snap test and the solo O2 sensor test. Right now I'm leaning towards you having intake valve deposits. Do you drive a lot of stop and go or have many hot-soak cycles?

12-13-2012, 05:46 PM	#33 (permalink)
behlinla Technical Advisor Member Number: 14275 Join Date: Dec 2007 Location: Wisconsin Chapter: Midwest Drives: 2006 Taurus SEL Visit: My Garage Posts: 5,699 Trader Score: 0 reviews Rep Power: 10	Starting the car more than three times a day, leaving the car off for less than 30 minutes and restarting more than a few times a week, getting stuck in heavy traffic on a regular basis, city driving when you have to stop at a sign or light more than 3-4 times in a mile etc. Anything close to use like a pizza delivery boy.

12-13-2012, 07:52 PM	#36 (permalink)
behlinla Technical Advisor Member Number: 14275 Join Date: Dec 2007 Location: Wisconsin Chapter: Midwest Drives: 2006 Taurus SEL Visit: My Garage Posts: 5,699 Trader Score: 0 reviews Rep Power: 10	Well, I don't think you're in the high risk group for deposits, but perhaps the moderate group. Unless you're the first owner you also don't know how it was driven by the previous owner. I'll know a little more when I get the other test results. When I get the WOT MAF data I'll be able to see if your volumetric efficiency is okay or not.

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