5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Might your TPS setting's be inaccurate also????

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Old 06-18-2006, 12:04 PM
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92hatchLX
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Default Might your TPS setting's be inaccurate also????

Well I was at work today sitting in the shop with nothing to do (just got done doing an oil change on my 5.0, because we were horribly slow yesterday), and I decided to hook the shop's code reader up to my computer (keep in mind that this is an $8,000 code reader, I want one), and decided to check my tps. Well we got it all hooked up, and it said that my TPS was at .83V, and I had just set it at home at .993 on my multimeter. Well we wanted to see how innacurate another one of the mechanic's multi-meters were so we hooked his ($150) multimeter up to the tps and it said that my TPS voltage was 1.027, we were amazed at these different numbers. So I'm guessing that I want to trust the 8,000 dollar machine over the 150 dollar multimeter. I was just amazed at how much that multi-meter was off by.
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Old 06-18-2006, 12:22 PM
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Joel5.0
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Default RE: Might your TPS setting's be inaccurate also????


ORIGINAL: 92hatchLX

Well I was at work today sitting in the shop with nothing to do (just got done doing an oil change on my 5.0, because we were horribly slow yesterday), and I decided to hook the shop's code reader up to my computer (keep in mind that this is an $8,000 code reader, I want one), and decided to check my tps. Well we got it all hooked up, and it said that my TPS was at .83V, and I had just set it at home at .993 on my multimeter. Well we wanted to see how innacurate another one of the mechanic's multi-meters were so we hooked his ($150) multimeter up to the tps and it said that my TPS voltage was 1.027, we were amazed at these different numbers. So I'm guessing that I want to trust the 8,000 dollar machine over the 150 dollar multimeter. I was just amazed at how much that multi-meter was off by.
Another reason why the EEC-IV allows for a .7vdc TPS OK working range before throwing any failure codes.
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Old 06-18-2006, 12:54 PM
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92hatchLX
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Default RE: Might your TPS setting's be inaccurate also????

Wow that's a good find! I'll have to remember it, but I like to keep it around .99v because it really does seem to help my hanging idle.
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