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Diamondpilot
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Why you should change your oil
- Thread starter Diamondpilot
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crazyal
Super Member
I don't know about other brands but Toyota used different sized sending units for oil pressure. The simple idiot light switch was pretty small while the sensor that actually read the pressure is quite a bit larger. If you have a good OBD reader that can read each sensor you can tell what you have.
Soundguy
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- RK 55HC,ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC
now.. again.. .. that's NOT what I'm seeing on my ford PSD's. I have to be half way to work before my trans temp gauges are in the normal area. whent hey start they are at the bottom and travel up WAY slower than engine temp.
soundguy
clemsonfor
Super Member
Are we POSITIVE there is not 2 gauge packages? One with gauges/idiot warning sensors and one with REAL gauges??
They do some stupid things among all manufactures with split year things as well as little changes like this from year to year.
They do some stupid things among all manufactures with split year things as well as little changes like this from year to year.
Peacock
Platinum Member
On a gas Ford they haven't used an actual oil pressure gauge since the early '90's I'd guess. Maybe a hi-po model had them, but not the run of the mill vehicles.
Soundguy
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- RK 55HC,ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC
all i'm saying is i know FOR SURE that my trans temp does not come up for at least 5-8 minutes of driving at highway speed. hay dude's comment of his trans temp coming up right after start when he pulls out of the drive is not what I am seeing. 5 minutes ago I just had to move my f250 around the shop yard to facilitate moving equipment... trans temp gauge had just started to creep TOWARDS the normal white area when i parked it. it was no where near the middle where it normally runs whenthe truck is warm.
so I can say that one for sure.. no guessing.
So this does make one wonder if perhaps the more heavily configured vehicles have more premium gauges? IE.. jo-bob average f150 gasser vs a f250+ diesel.. the diesel /. hd package is plenty more $$$
Ford has real temperature readings for transmissions. You can monitor them to the degree in the gauge mode on the digital cluster too. Radiator and oil on F-150's are idiot gauges I believe.
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crashz
Veteran Member
Its dependant on model. My 1997 and 2001 F150's had real gauges that were damped. There was a simple mod to fix that. When the oil pressure sending unit quit on my 2001, only the guage would drop to zero. The idiot light and CEL would only be tripped if the second sending unit (that feeds the ECM) failed.
My father's 95 PSD was damped, but it appears that his 94 F350 has live gauges.
Much of the info from the gauge panel is actually needed by the ECM, so "real" data is there. Its just that many manufactures don't want to deal with the idiot behind the wheel when they see a change in oil/temp/volts and freak out.
My father's 95 PSD was damped, but it appears that his 94 F350 has live gauges.
Much of the info from the gauge panel is actually needed by the ECM, so "real" data is there. Its just that many manufactures don't want to deal with the idiot behind the wheel when they see a change in oil/temp/volts and freak out.
Peacock
Platinum Member
An actual sending unit on a 2001 f150?
That's the first I've heard that. No calling you a liar or anything, but I've replaced a lot of oil sending units on those generation of trucks they've all been the on/off variety.
That's the first I've heard that. No calling you a liar or anything, but I've replaced a lot of oil sending units on those generation of trucks they've all been the on/off variety.
sld
Veteran Member
Trans temp on superduty's is definitely a real gauge. I always thought engine coolant was too but oil pressure is a dummy.
My newest superduty traded the voltage gauge for the trans temp. While I like the trans temp I wish I still had voltage gauge instead of an idiot light.
My newest superduty traded the voltage gauge for the trans temp. While I like the trans temp I wish I still had voltage gauge instead of an idiot light.