dls

will a bad battery throw off codes?

truck - 89 F150 302 5.0 4X4 automatic w/ over drive

koeo codes
31 - EGR/EVR position sensor below minimum voltage - could this truck not have this? my manual and all data subscription does not match what I'm seeing under the hood??? I bought one but it isn't anywhere on this engine...
61 - engine coolant temperature circuit grounded
81 - map has not changed normally - bought a new one and made no difference
82 - super charger bypass failure - is this the bypass valve/selonoid?
85 - EGR vacuum regulator (EVR) circuit failure - i also have no vapor cannister? is this ok? i've sprayed carb cleaner around manifiold while engine in drive and found no vacuum leaks.
87 - fuel pump circuit failure - the front tank has been removed; could this cause this problem, i can rev to wide open in park and neutral???

koer codes
61 - same as above?
98 - electronic pressure control circuit failure - tranny correct?

new truck to me, but I am having issues getting her going. revs great in park and nuetral, but with a load, no power and back fires/pops(?) up in the front passenger side of the engine/exhaust?

Any help would be greatly appreciated. I'm new to the forum and have gotten all kinds of help already searching the forum.

truck sat for two years, but i have engine running now. i have done starter selonoid, coil, cap, rotor, plugs, wires, emptied tank, oil, filter, tranny filter and gasket, tested ignuition module on distributor, fuel filter, among other things including cutting out the cats (thinking they may have been plugged)... i can't seem to make a difference with anything i've done. i don't want to give up and take her to the mechanic, but i may have to...

any ideas?

Good old Bill

You have alot going on here, suggest clearing all codes and start over. Write down all codes in sequence as printed. In those days we had to repair them in order received.

dls

i'll clear the codes and start one by one trying to fix them in the order received. i appreciate the advice and will give it a shot!

Good old Bill

Good man, repairing one code at a time eliminates misleading or eroneous codes.

ymeski56

A bad battery sure won't improve them. My code reader manual states that you should deal w/ your KOEO codes first. Your list of codes will probably improve after you clear your Kept adaptive memory (KAM) & put a few miles on it. You have a supercharger??? How about a fuel pressure test including checking pressure bleed down time after engine is shut off. This would help eliminate fuel pump, fuel regulator & injector hanging. So your only running a straight pipes now?

dls

thanks for the thoughts, ymeski56, but before i answer your questions, here's a little background. i am no mechanic, just done the things I could on my vehicles to save my money. in december i helped my father change his spark plugs on his 04 f150 with the infamous sparkplugs. broke 6 of the eight off, and before finding out they have a tool for these things, we tore the engine down to the heads. then i got the bright idea that i'd get a toy and project, enter my truck.

the truck has a 6 1/2" lift and 35's and supposedly dead tranny but rebuilt engine.

i got it two weeks ago and in a week got it running. again, i am no mechanic.

the big problem i am having is that this engine has had modifications to the point that i don't know if i have the engine i think i have. i can not find an egr on this things anywhere and the pictures i find in my manuals and online do not look like my engine, as far as the manifold and egr, etc.

am i screwed?

your questions-

do i have a super charger? i don't know and don't think so, that was the description of the code i found.

stright pipes? yep, did historic tags and here in maryland that means no inspection or emmissions.

i'd love to put some miles on her, but she can't get out of her own way right now.

code reader manual? that's funny. mine consisted of a 12 volt bulb and some nails for pins and alligator clips.

i will do a bleed down test. i seriously just didn't know where to start. i'll reread the codes with the engine running first and start testing them in order per good old bill's advice.

thanks again for your input. i'm not sure which way to go right now, but this, at least, gives me a plan...

ymeski56

The "manual" I referred to was the one that came w/ the code reader I bought. http://www.handsontools.com/Equus-In...ol_p_5574.html (cable is an accessory/ not required) You sure picked a doozy of an engine to learn on! If you can, take & post some pics from different angles. I'm guessing a few things have been done away with & I've never seen a stock supercharger on an f-150 (If you do have one). I try to stick w/ dealing w/ engines that are relatively stock as it gives me some continuity of what to expect. But there's a lot of guy's on this forum that have probably seen everything at least twice, So keep chipping away at it & post your results. Your original post provided a lot of info to begin with, which is very good. Something to note. When sensors report out of range over a continual period, many times, the ECU locks out that sensors input & substitutes a mean (middle of the road) reading, and goes on it's merry way. This impedes optimum driveability but allows the engine to continue to operate. By disconnecting the battery for 5 min. the KAM (kept adaptive memory) will be cleared & attempt to rebuild itself with input from all sensors again. You'll have to put a few miles on it & multiple completed warm up cycles (cold start, reaching normal operational temp.) before retesting & also make sure engine is at norm. op. temp when doing error code scans. Hope some of this helps! Always post your error code #'s. Some codes have a different specific meaning for a truck than a car. #82 is also Air diverter solenoid circuit fault. That makes more sense. You're probably missing your EGR & Smog pump too. Got Pics?

dls

thanks again

i have the battery disconnected and charging. it is a new battery but have drained it pretty good with the starting, and since she won't run, it's not getting charged.

i'll get some pics up this evening.

will the codes reset without driving it? i can't drive her much. i have a hard time just getting up the smallest of inclines. i mean i have no power, none, zippo, nada...

i have to replace the tp sensor this afternoon since after taking it off and acting like my 2 year old i had to play with it. evidently, you can't just spin the thing around with a screwdriver.

i also need to get the pipes put back together before i continue to rev her up. the neighbors could probalby do without the excessive noise. and, i don't need the cops coming by. she was loud before I took out the cats which i only did since i blew a nest through one of the pipes.

i guess she's more of a project than a toy now, but in time, that'll change!

ymeski56

Sound's like something I'd do!

dls

koer in order
98, 61
koeo in order
61, 31, 81, 82, 85, 87, 84

and, what engine do i have? this does not match any picture i've seen online or in my manuals.

i'm going to have to post these pictures on my site and then get you guys the url...

oh, and i knew you meant the manual for the reader; i was just emphasizing the fact that i was using, and did again this afternoon, a bulb, alligator clips and some nails... i'm a jack*****!!!