Ok after a while i managed to understand OBDII gave more data than just check engine: read, or delete.

And it's been a while since I'm trying to restore this truck to an optimum phase and now I stumbled into something that maybe it's the missing link.


But i have no idea how to decipher these hex codes, what they mean, and how to check them to fix it??

So maybe here someone has more experience than me, I'm just starting to learn about ford trucks (new ford user since November 2019.. owning an F150 1998 lariat 4x4)

Here's the list of errors "FAILED" according to the OBDII scanner tool.

1. Low sensor voltage for switch time calculation (constant) - Monitor ID (MID) $03 Component ID - $01
2. Manufacturer defined - Monitor ID (MID) $03 Component Id - $46
3. Manufacturer defined ID (MID) $10 Component Id - $46
4. Manufacturer defined - Monitor ID (MID) $51 Component Id - $46
5. Lean to rich sensor threshold voltage (constant) - Monitor ID (MID) $51 Component - $66
6. Lean to rich sensor threshold voltage (constant) - Monitor ID (MID) $02 Component - $11
7. Manufacturer defined - Monitor ID (MID) $41 Component - $12
8. Manufacturer defined - Monitor ID (MID) $02 Component Id - $6C
9. Manufacturer defined - Monitor ID (MID) $52 - Component Id - $00

And I've found this manual from Motorcraft, for 1998 models.
OBD System Operation Summary - Model Year 1998 (227KB)

for all years and models click here

Any feedback is really appreciated!

 

$01 - Bank one oxygen sensor. You just have to look them up.

 

Yes, i know i have to look for them. But when i get an answer like that "Bank one oxygen sensor" it doesn't say what it's wrong with it.

Do i have to change O2 sensor? or is it the connector pin? Is it upstream? downstream? and those could be easily identified in that PDF, most of them point to the O2 sensors.
Curious not long ago i had a check engine, and it pointed to Oxygen sensor 1 Bank 2 - but i can't verify online where is bank 2 | Driver or passenger?
supposedly where cylinder 1 is then that's bank 1. so this is pointing to downstream sensor (before cat) in the driver side. I plan to change all 4 O2 sensors to Motorcraft, just in case.

But there are some error codes that doesn't appear anywhere like test $51, $52, $02 , component $46, component $11... the ones that doesn't have any error description below. I'm still researching this.

So far the only error i have found thanks to this is the firing order was messed up. spark plugs were misplaced, 6 and 1.
Apparently there are still misfires, since $50 $53 $54 $55 are talking about misifre and it changes number to specify location.

There's no $51 or $52, but i suppose it's also misfire.

 

I have the majority of the same codes you have, did you ever come up with a solution. I've a hard missfire and it wasn't there until the starter solenoid and the 175 amp fuse links got corroded. I resolved that but now hard missfire and I really need the truck. I also am not getting ANY DTC codes returned, THe only codes Ive been able to recover are the noncontinuous ones. Thanks

 

You guys know how to retrieve PIDS on a cheap OBD2 scan tool, right?
* Get yourself one of these for 17 bucks on Ebay (Konwei) cheap scan tool
Go to town in live data mode
Checking all the pids your truck outputs with a reference table
Then play with Forscan and compare
You working on a 52 Packard Litoid?

These are only 17 bucks these days