Hey Everyone. This is my first time posting but I have been using the information here a lot. I hate to make my first post like this but I have an issue that I just cannot figure out. The YouTube link is below...


I rebuilt the engine and put new suspension in my 92 XJ. Got it fired up for tthe first time yesterday and it ran fine. I even drove it up and down the road. Late last night I was adding a little fluid to the transmission while running and the engine started having problems:

Engine started surging
Small amount of smoke coming from passenger side (but could have been oil still burning off exhaust)

I shut the engine off as a precaution and have not been able to get it to start again. I have no clue why... at first I thought it was fuel exhaustion (just like when your lawn mower starts surging etc before it quits) as the tank has never really been full and I only have a small 2 gal portable tank. I added 2 gallons to the tank today and still no start.

Checked codes and I get the following: 12 22 55

I have also tried the following to get it to start:

• Replaced Crank Pos Sensor (recently replaced and it was under warranty. I ohm checked it and BC was checking 7.something ohms. However the new replacement does the same so maybe I am checking it wrong.)
• Replaced Coolant Sensor (code 22)
• Changed Fuel Filter
• Checked Under Hood Fuses
• Distributor cap and rotor recently replaced also look fine
• Wires recently replaced and look good (getting spark as you can hear from vid)
• Fuel in the feed line but return line is dry (should the return line be dry?)
• Tried bypassing ceramic resister under hood by using a fuse)
• Locked and unlocked passenger door

I have probably tried a few others but forget. From the video you can see that I have to run the starter for en excessive amount of time to get it to fire and then when the engine fires it sounds healthy for about a second before it shuts down. Tomorrow I plan on getting a hold of a fuel pressure gauge to check pressure at the rail as the only things I can think of at this point would be the fuel pump or the ecu/pcm (however it was running great yesterday)

Thanks for your help... I am seriously stumped and as I said I have been at this build in my spare time for about 4 months now so this is a little disheartening.

Thanks,

Kyle

 

Also,

Generally I have seen when people are having this issue most have said they were able to keep the vehicle running by pumping the gas pedal and keeping the idle up. My problem is exactly the opposite... if it starts and has a rough idle it immediately dies when giving it gas. Without giving it gas it just low idles until it dies.

-K

 

I would assume that the gas coming from a 2 gallon jug would have something to do with the ECU going bonkers.
Try resetting the ECU and if it starts, then I would assume it is because you don't have the fuel system and tank installed..
Just a opinion and anybody jump in if this is the wrong direction to go.
hope this helps

 

The fuel system is in fact installed all I meant was I only have a 2 gallon spare can do I could only fill the main tank two gallons at a time. The vehicle has never been running so I have never known how much fuel was in the tank from day one which I don't think it's much because the gauge has always read empty or near empty.

 

​