Recent content by Jam Master Jay

I have an update to this saga. I left the XJ sitting for a period of weeks. Then I finally got around to messing with it this weekend. I tried starting it and it did the same crank, fire off, then die scenario it's been doing. So I plugged in a spark tester on one of the plugs to see if it had...

It does register oil pressure just fine. The rest of the gauges appear to work normally too. I will check the voltage at the resistor next chance I get. I really appreciate everyone’s suggestions.

I own a fuel pressure gauge. It holds 35 psi.

I bypassed the ballast resistor and it didn’t change anything, unfortunately. It still cranks, stumbles, and dies. The pump is running. I’m going to invest in a spark tester to see if it cuts spark but I don’t think that’s it. The fact that it did this previously and then worked, then is...

Ok, I'll jumper the ballast resistor this evening and try it. I also have a spare I can throw in but I might just leave it off.

Yall mean the ballast resistor for the fuel pump? I’ve junketed the fuel pump and it runs great and supplies 35psi after a few seconds. It powers on for a second when you first turn the key. I didn’t bother to check if it’s running constantly when cranking. I’ll have to jumper it and then crank...

I'm back seeking help with my restoration of a 1991 Briarwood. It's been running great until I left it parked for awhile. Now when I crank it, it will fire off and then immediately die. If you try repeatedly it may occasionally stumble for a full second and then die. Holding down the gas pedal...

Is the engine attempting to fire? stumble?

So it’s been a long time since I messed with my Briarwood just due to other things taking my time but I decided one day to go mess with it again and put in a fresh battery. I turned the key and held it down for several seconds and it started and ran. I’ll have to replace the switch but for now...

I will try this next. Thanks!

So here’s an update- I got a used throttle body and installed a new throttle position sensor on it and put it on the Briarwood. It still didn’t fix the issue. It still fires off and then dies. Considering I have a new CPS, TPS, and sufficient fuel pressure, I’m stumped.

So I have a quick update. I checked my fuel pressure and it’s around 30-40 psi. I disconnected the throttle position sensor and it made no difference making me wonder if it is the problem. I got a replacement but in the course of trying to remove the old one I discovered that the screws holding...

I have a fuel pressure gauge in order. I’ll check that this week. I will probably go ahead and order a throttle position sensor. I’ve replaced several other sensors but that one is probably due too. I will clean the battery terminals and make sure they’re good and tight. It’s been on and off...

It's a 1991 Cherokee Briarwood 4.0 L Automatic Transmission NP 242 Transfer Case

I'm trying to revitalize a sweet 1991 Cherokee Briarwood. It was running beautifully but after being left for a couple weeks without running it has started a new issue. When I turn the key it cranks normally, fires off, then dies. It does that each time the key is turned. Giving it throttle...