I have compiled 25 of my "mostly Renix" write-ups in the XJ write-up section.

They are in a somewhat priority order, especially for the "new" Renix owner.

Here is a link to them and also an outline of them:

https://www.cherokeeforum.com/f51/cr...x-tips-153657/

　
Revised 11-02-2012
* means instructions have been written.
　
1-Ground refreshing*
2-C101 connector refreshing**
3-Connector and relay/receptacle refreshing*
4-Coil/ICM contacts*
5-Checking sensor grounds*

6-Sensor ground upgrade**
7-CPS testing and adjusting*
8-TPS testing and adjusting*
9-ECU connector refreshing*
10-Trans plug connector refreshing*
11-Throttle body and IAC cleaning*
12-Setting your 4.0 to #1 TDC*
13-Renix Distributor indexing**
14-Restoring throttle butterfly adjustment*
15-Rear main seal diagnosis*
16-Vacuum test for exhaust restriction*
17-HO engine into Renix*
18-Improving the instrument panel ground*
19-Headlight harness installation*
20-4WD shifting tips*
21- Renix EGR valve test*
22- Renix vacuum harnesses**
23- CPS timing advance mod*
24-4.0 Engine date codes*
25-Valve cover mod*
26- Snugging up intake manifold bolts
27- CPS wiring bypass
28- Setting base idle
29- Renix O2 sensor diagnostics

　

 

You da man Cruiser! Great collection of information. All RENIX owners should bookmark it.

 

Thanks to you, Mr Walker for contributing to it. Much appreciated.

 

Impressive!

 

Years overdue, too!!!!!

 

Thanks Cruiser. Got any tips on renix gas mileage?

 

Absolutely. Get a commuter car!!

Upgrade your injectors to the 4 hole design. Have a new headpipe made that swoops back in two 45* angles instead of a 90 and without the "crush" in it.

 

Well I have been driving with 8mpg for months now. I don't mind 12 MPG but 8!!!

 

Bad O2 sensor or poor vacuum connection to the MAP?

Any other driveability issues?

 

Replaced O2 and did tune up. Runs a bit rough. Send me a PM what i should check next.

 

Excellent!
This write-up is going in my notebinder.

 

Let's use this thread for everyone's sake.

I say start at #1 in the write-ups and work down to at least #5 for starters, minus #2.
#11 would be good, too.

Kinda like ordering Chinese, huh?

 

Thanks. Enjoy your Jeep.

 

Thanks. I try numbers 1-5 and 11 lol

 

With that selection, you get eggroll.