Whoops I forgot this code came up as well:

P0308 - Cylinder 8 misfire detected - Injector 8 excess emissions/catalyst damaging level of
misfire

 

And I am sure he will come Monday when the shop is open again, but that is 5 days from now and I don't have my truck for Christmas, which is all i really wanted, my truck back and running well again...


Look I was told on here to stop asking questions and wondering what might be wrong until I got the head gasket issue fixed and here we are. So now I would like advise from people who may have had this issue, these codes, or who work on Discos. Now that I have crossed a few things off the list of potential problems/fixes.

If anyone can help or would like to talk please let me know.

THANKS - and Merry Christmas...

 

Here are the current codes:

P0302 - Cylinder 2 misfire detected - Injector 2 excess emissions/catalyst damaging level of misfire

P1319 - Misfire detected with low fuel level

P0150 - O2 sensor circuit malfunction (bank 2, sensor 1) - Front sensor RH bank stoichiometric ratio outside operating band

P0130 - O2 sensor circuit malfunction (bank 1, sensor 1) - Front sensor LH bank stoichiometric ratio outside operating band

P0174 - System too lean (bank 2) - Multiplication injector adaptive fuelling - lean limit exceeded RH bank

P0300 - Random/multiple cylinder excess emissions detected - Excess emissions detected on more than one cylinder

P0308 - Cylinder 8 misfire detected - Injector 8 excess emissions/catalyst damaging level of misfire



Do I need to have the computer flashed or something?

Is it the injectors or maybe just 2/8?

Can anyone offer some incite?

 

Ok, well, here's a stupid question: one of those says "with low fuel level", and indeed, being almost out of gas will pull an MIL -- I just did it to my sis's Saturn last week.

Are you, in fact, almost out of gas?

And does it feel like it's running on all 8 cylinders?

And do you know when/if it's ever had a fuel filter replaced?

 

I have a full tank of gas with 1 bottle of SeaFoam in it.

It doesn't seem like it is running on all cylinders, their is gas coming out of the tailpipe, and it is idling rough.

I have not replaced the fuel filter and I do not know if was done before i got it about 20k miles ago. I will buy one of these Monday, however I wouldn't think that would be it, but i guess i don't know...


Thanks-

 

DII's do NOT have a fuel filter.
Have you checked your fuel pressure at the fuel rail?
Not enough fuel PSI and it will act just like running out of gas/not running on all 8 cylinders.

 

Spike - thanks for jumping back on here and helping out...

I didn't think there was a fuel filter but didn't want to look like a jack@ss, say it, and be wrong without going home and looking at the RAVE cd. I am at my fiance's parents until tomorrow so i will not be able to check this out until then.

I have not checked the PSI at the fuel rail yet, what would I need to perform this on the Disco?

Spike, did you see my last post with the codes I am now having? I took your advise and got the leaks sorted before I went any further and here we are.

Any help/advise would be greatly appreciated.

thanks again-

 

I would not replace anything until you can check the fuel PSI.
Mis fires will cause O2 codes.
At your mileage it is very possible that your fuel pump is getting weak.
I did not think of that before, but what ( I dont remember who said it in this thread) said about running out of fuel is true.
I ran out with my wifes car last week on the way to the gas station, she stumbled, sputtered, check engine light came on and then quit.
Checked the codes and had mis fires on all 5 cylinders as well as random mis fires.
If you are getting just enough gas for it to run but not enough for it to run right it could very well throw all kinds of codes.
The good news is that the fuel pump is very easy to replace, the bad news is checking the fuel PSI at the rail, I have never done it on a DII, but I have been told that you need to remove the intake manifold.
All you will need is a fuel PSI tester from AutoZone, you can rent one.
It works like a tire gauge.
Screw it on, crank the engine, check readings.
Do it three times to get a good average.

 

That was me. :-)

And in fact there is a fuel filter, just not the traditional in-line user serviceable canister type. It's a coarse and fine screen on the pickup, inside the tank.

I could imagine it clogging in some circumstances (neighborhood teenager is told to get offa lawn; dumps sugar down filler neck), or it might tear loose and let debris into the injectors.

Additionally, the fuel system depends on your *gas cap* sealing properly; if either side of that joint has bad gaskets, you'll have a problem.

You can test that one by opening your gas cap while the engine's running; if it goes to hell, that's your problem.

This also works with the oil cap; removing that should make your idle go rough(er) as well. If not, *that* seal might be bad.

 

Incidentally, the book says 50psi at the rail, so that's what you should expect on the gage.