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doesnt sound like your usual ps groan. i also own a ford so i know that sound very well.

Hey guys i have a 90 XJ 4.0 and ive had this sort of whining noise coming from the engine bay goin on for a while now and i can't figure out what it is. It is definitely not belt squeel and it varies with the engine, (I have an unsolved rough idle problem as well) when the engine changes rpms at...

Is there a write up on doing that?

How's this? http://www.naxja.org/forum/showthread.php?t=1095880

Hey guys, I have a 1990 jeep Cherokee 4.0 manual tranny. 2wd. From 5mph to about 35 my speedometer gauge wiggled really bad but when I get past 35 it becomes normal? Any suggestions? All other gauges are good.

And I will say that there is no red wire in the flat 3 wire connector. There is two red wires in the flat 4 prong connector. If I unplug the flat 3 wire connector there is no difference whatsoever

I must be doing something wrong. Can't get any readings whatsoever probing those connectors. I just shove my leads into the back of the connector right?

as in tps testing and adjustment?

Starts on the fifth turn with the sync plugged in and with the sync unplugged it takes a noticeable amount longer to finally start. But either way my engine roars when it finally does start, I don't have a tach so I can't talk rpms but it revs up pretty good then settles back down.

How do I " test" it? Please learn me!

Haha yes thank you my friend. I'll pick a sync sensor and check back, I will say that occasionally while I drive it literally feels like someone's holding on the brakes then it grabs and picks up. And an overall sluggish feel to the engine. Manual transmission. Any suggestions? Really...

Looks like it's time for a new jeep

And you've never seen a single renix start up like a normal vehicle?

So if not the sync generator then do you have any suggestions as to why I still get a late spark when I turn the key?

So if what your saying is true, my cam sensor has failed and If I unplug it I won't notice a change? On another note I I get 11.7 volts at the icu when cranking. I drilled the mounting holes for my crank position sensor out and pushed it closer the flywheel. Now I get solid .5 volts at the...

update: i eliminated the connector for the cps without a change. i took my coil off and cleaned the connections, when i started it and first crank it fired up! i got so excited but when i turned it off and tried again, it did the same thing it used to, taking a while to fire up. so where does...

New Fuel pump, New starter, Uprgraded ground cables all round.tested fuel pressure with a gauge, thats fine. i know the issue is the spark, when i pull off the coil to cap wire and crank it, it doesnt spark until about the 4th crank. Where is this kit of which you speak to shorten the cps wires...

So i have a 4.0 1990 jeep cherokee and i am kinda obsessed with getting it to start within the first two cranks of the engine. everything besides the spark is good. the issue is, when i crank it it wont spark until about the 4th turn of the engine? any suggestions? just replaced crank position...

i Got Glassworks fenders and a mcniel racing glass hood, love them both!