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I just swapped in an '93-'94 Grand Cherokee engine into a '91 XJ. The old engine ran OK, no problem with that but the "new" doesn't run on all cylinders, maybe just 4. All cylinders do have compression and the spark plugs are new. The ignition is the same as on the old engine, almost new rotor...
Found 3 wires right by the oil dipstick and grounded them, PROBLEM SOLVED!!! But I still have to reset the ignition... I must have put it 180 degrees off LOL
All right, I just jumped the ASD relay (wire straight from 30 to 87), made no differance. Which leads me back to the crank sensor... but it's brand new, original Mopar!
Thanks for the advice, I found this on the ASD relay:
So I was thinking about just grounding the relay permanently... or atleast try and replace it first and see if it helps...
Since my stroker engine has a Renix block but the rest is HO, where would be the best place to mount the ignition coil? The threads in the block are missing on the renix block...
What I mean with no fuel, is that the injectors aren't spitting any fuel inside the cylinder. And when I try to get a spark plug to spark I don't get any spark. It's just like the crank sensor is bad, but it's brand spanking new! I think there must be something causing the PCM to cut on spark...
Yeah I swapped the whole engine harness from the XJ to the YJ and it worked fine on the old engine...
Right now the suspect is the ignition coil, next time I work on the Jeep I'm going to test if I can get a spark plug to spark with the wire from the ignition coil... if not I'm totally lost!
I have checked the grounds and replaced the battery, made no difference. I also changed out the crank sensor, no difference. What I'm now looking at is the sensor in the distributor but can't figure out HOW to get it out... :S
I swapped the engine and automatic tranny from my '91 XJ to my '87 YJ so mechanically/electrically wise this is just an '91 XJ. It fired right up the first time I started the engine but then I put a stroked engine in it and now it won't start. So this is what I've done so far:
- Reindexed the...
So I just bought a stroked engine, instead of doing everything myself. It has the Accurate Power stroker kit in it and is bored 0.060" over which makes it a 4.7. The only problem is that the guy who had it built didn't do any head work on it, so I will port the head and maybe have a valve job...
From looking at a Cloyes catalog I now see that the Cloyes 9-3127 is NOT for a AMC V8; It's only for the 6 cyl 199-232-258-242 and the 4 cyl 150. The correct part number for the timing set for the V8 is 9-3118. Just wanted to post this for anyone who might have this question later on and find...