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I know there are a ton of posts about code readers but I am still a bit confused.
I have a 1996 F250 5.8 and would like to know what code reader to buy. I believe it is a ODBI and that a Equus 3145 is what I need. I see no plug on the inside of the truck and I believe I see the plug I need on the fender wall under the hood, drivers side.
you can forget about finding a scanner because there are none for the OBD1 system.
My scanner works fine on my OBD1 system.
I use the Actron Scanner CP9190 for real real-time engine data as it is a Scanner but it will also work as a code reader. It will work with both OBD-1 and OBD-2 pulse other makes and model cars and trucks.
The scanner, note the image on the screen of the scanner below is from an OBD-2 input and it will not put that type image out for OBD-1:
OK. Received the reader and 111 on both KOEO and KOER.
I bought this for two issues I am having and hoped it would throw a code.
First issue is the exhaust. It smells like it is running rich. It is very strong and over powering.The exhaust appears to have had its CATS removed. It's strange though the exhaust looks stock. O2 sensor is in place and in the correct location according to the Ford exhaust layout.The truck has 51000 miles and has always been garage kept. The original owner ( I am the second) says he never touched the exhaust. This is an old man in his 70's, so I believe him. But, he may have just forgot.
Second issue is the lack of power (speed). I am not use to a 3/4 truck so I am not sure how to judge. The engine 5.8 runs and sounds very strong. It just doesn't seem to translate to the wheels.
Would no CATS make the exhaust smell rich?
Any ideas what could case the slow performance?
Perhaps both issues are related?
You stated the KOEO & KOER codes but you did not list any codes for the on the road stored codes in CM.
The CM codes is where your problems would show up.
When you run the KOEO self-test and it gets done with the two 111 codes you will get a 10 code (space code) then the CM codes will read out two times.
You just do not stop reading codes after the two 111's from the KOEO electrical test read out.
Yes the absence of cats would make the exhaust smell rich.. we just aren't used to the smell of a raw exhaust anymore. So what makes you think the cats have been removed.. is there a section of pipe in there that doesn't look factory? Are the smog lines still hooked up? There should be 2 pipes approx 3/4" diameter coming down from the engine bay and attaching to the exhaust a foot or so back from the Y pipe.
That won't hurt engine power however, for that check the base timing(10 deg BTDC spout removed)) and fuel pressure(39-45psi) at idle with vacuum removed from the regulator.
My scanner works fine on my OBD1 system.
I use the Actron Scanner CP9190 for real real-time engine data as it is a Scanner but it will also work as a code reader. It will work with both OBD-1 and OBD-2 pulse other makes and model cars and trucks.
Well that is interesting.. I didn't think it was possible with these old systems without a J3 port device.
Well that is interesting.. I didn't think it was possible with these old systems without a J3 port device.
It will as long as it has the two data pins in the OBD-1 DLC connector (data + & data -).
This will very from engine to engine and year to year.
The OP has a 1996 so it would have the two data pins.
The Data pins started about 1990 with some engines, you will have to check your plugs or your years EV&TS manual.
I know it works with my 1994 F53 with a 460 (7.5L) and my 1995 F150 with a my 302 (5.0L).
You stated the KOEO & KOER codes but you did not list any codes for the on the road stored codes in CM.
The CM codes is where your problems would show up.
When you run the KOEO self-test and it gets done with the two 111 codes you will get a 10 code (space code) then the CM codes will read out two times.
You just do not stop reading codes after the two 111's from the KOEO electrical test read out.
I don't remember reading that in the book. I will run the test again and see.
Yes the absence of cats would make the exhaust smell rich.. we just aren't used to the smell of a raw exhaust anymore. So what makes you think the cats have been removed.. is there a section of pipe in there that doesn't look factory? Are the smog lines still hooked up? There should be 2 pipes approx 3/4" diameter coming down from the engine bay and attaching to the exhaust a foot or so back from the Y pipe.
That won't hurt engine power however, for that check the base timing(10 deg BTDC spout removed)) and fuel pressure(39-45psi) at idle with vacuum removed from the regulator.
I followed it all the way from the exhaust manifold. It appears the CATS are not there. All the smog stuff is connected. I am use to seeing a CAT that is very easy to see. Are these type CATS small?
I should continue with another issue or not an issue?
It has been really hot in Georgia the last few weeks. About two weeks ago I noticed that my Temp was running a little cooler than normal. In the past it would read from the "R to M". But, the other day it was reading in the "N or O" area. I drive one way to work around 7 miles so I just figured the thermostat failed open. So I changed the coolant, Thermostat and bleed the air out.
No change. Reading still in the "N to O" range. Truck doesn't suffer from anything. Doesn't appear to be over heating at all.
Just thought I would throw that in there as well.
Post up pics of your exhaust. I'm sure someone with a similar truck will let you know if you have cats or not. As for smelling rich, it depends what you're used to smelling lol. If it don't make your eyes water then it can't be that rich.