My 2003 KJ 2.8 CRD and its problems

Geralt · Oct 2, 2024

Hello,
I bought a 2003 jeep jk 2.8 crd that would not start and it still does not start.
Before selling it the seller could not get it to start, he changed all the sensors, the bcm, the pcm and finally the key, the neiman and the skim.
I have error codes:
P0070
P0190
P0130
P0340
P0520
P1130
P1131
P1511
P1685
With all this, I have enough to do but I like challenges.
Excuse me, my English is bad and I use a translator for communicate...

KJowner · Oct 2, 2024

First clear all the codes, with everything that's been done there is no way to tell if they are current or not, then try to start it and rescan to see what comes up.

Geralt · Oct 2, 2024

Ok thanks, I'm waiting for a scanner that I ordered online.
I would come and do a feetback.

Geralt · Oct 17, 2024

Arrrrggghhhh...
My scanner is not pulling codes from the dashboard.
But it did pull new codes that it found.
P0051,
P0253,
P0808,
U2200,
P0100,
C2400.

KJowner · Oct 17, 2024

Those are very odd codes, clear the list and try again.

Geralt · Oct 18, 2024

List cleared, dashbord codes still present

BigMopar440 · Oct 18, 2024

The randomness of all those codes, especially the c2400 and u2200 makes me wonder if there is a wiring or connection problem with the computers.

KJowner · Oct 18, 2024

It looks like that to me, the codes don't make sense.
I don't suppose you have the original bits?

Geralt · Oct 19, 2024

Hello all,
Thank you for your answers.
The ECU, skim and key have been changed, everything works perfectly.
I think I don't have the best scanner.

KJowner · Oct 19, 2024

Geralt said:
Hello all,
Thank you for your answers.
The ECU, skim and key have been changed, everything works perfectly.
I think I don't have the best scanner.

Possibly your scanner is the problem, however the symptoms you are describing sound like a fault on the BUS or a module plugged into it pulling it down. Have you checked all the fuses?

Geralt · Oct 20, 2024

Yes I changed the interior fuse box.
The only permanent code is P0253, I think the CP3 pump solenoid is faulty.

KJowner · Oct 20, 2024

Geralt said:
Yes I changed the interior fuse box.
The only permanent code is P0253, I think the CP3 pump solenoid is faulty.

That's a good call, probably the original fault that the previous owner missed!

Geralt · Oct 21, 2024

Today i ordered the pump solenoid.
Wait and see...

Geralt · Saturday at 4:21 AM

Hello,
Bosch pump solenoid changed, but I hear a bzzzzz, is this normal or not?

KJowner · Saturday at 8:31 AM

With the engine not running? No mine is silent, on shutdown there is a hiss/buzz from the solenoid on the left side dumping vacuum.

Geralt · Saturday at 1:52 PM

The engine does not run, just the ignition is on.
This is not normal, I have another problem somewhere
Ok thanks.

KJowner · Sunday at 6:30 AM

Have you tried using a little bit of starting fluid? It would be interesting to see if it fires.

Geralt · Sunday at 7:03 AM

Yes i using start pilot but without effect on startup.
I'm thinking shifted timing or broken rocker arms.
I ordered This on Amazon.

Geralt · Sunday at 8:11 AM

@KJowner Is it easy to find a DRBIII in England?

KJowner · Sunday at 9:56 AM

No it's not I'm afraid, there was an independent garage with one but they finished in Covid.
There are after market systems but they aren't cheap!
I have a friend with a decent Snapon scanner that does just about everything, so a decent garage should be able to help you.

My 2003 KJ 2.8 CRD and its problems

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