This is one EXPENSIVE CPS.......


http://cgi.ebay.com/ebaymotors/97-01...item4aa099b99d

 

hahaha yes me thinking htere is a mistake somewhere.... but as I have read somewhere.... getting your jeep to start and run ...priceless

 

Its posted as a CPS but the specs and description are for a sync pulse(Cam shaft position sensor).......

Seems legit........

 

Must have been missed on page 4......anyone have some insight to the above?

Gonna order a new CPS (today hopefully). Had some issues yesterday while driving, so posted the above update.

 

I don't know because of course I am no expert...
I pulled all the vacuum lines that I could find and cleaned each of them.... that improved my low idling problem a bit...I used a weed eater wire and some cleaner.... some were pretty dirty and one was totally clogged. it was the EGR-valve one. I read more about that and found out that my EGR was stuck... I cleaned it and it is working better now.

 

See....in my case, I am missing the tank, so I need to isolate if this is causing other issues due to more air getting into the system.

 

I saw..... well I can;t tell i was under the impression that this tank was mainly for air... there was a thread on here a couple of days ago talking about it but I can;t find it anymore.... sorry 9not really helping I know lol)

Edit: I found it... https://www.cherokeeforum.com/f2/vacuum-canister-56570/
they don't say anything other than the fact that it will make the motor run bad lol

 

LOL....I actually posted in that thread.....must have not subscribed, so never saw the responses.

Guess i need to address this tank issue before going after sensors and stuff.

 

yeah i have a rennix engine and sensors are pretty easy to test with a multimeter....
I don;t know if you can test them the same way on the newer engines....

 

I think once the vac tank is replaced, if I still have issues, I'll know its CPS, TBS, and IAC. Also looking into replacing the water pump, t-stat, & housing.

 

did you look into the heat soak for the injectors ? I have read your first post and it says that it is acting up when it is hot... I read that heat soak can happen and make the fuel inctors not working (sorry just throwing stuff in the debate there....)

 

What exactly is "heat soak"? The issue has occured primarily after some driving, so at operating temps (hot), but I think its an issue that would be present at any temp.

 

I am not 100%sure.... I think it is the fuel injector that are getting hot from the engine heat and just shut off... I know it was actually a recall for some year model....
Look it up it might be worth a shot...

 

I can't really see this jeep having this many issues......

My first 96 XJ (was a 2 dr, 5 spd manual) had zero issues. Only items I replaced over the course of 180K miles was a clutch, a rad (rusted out over time), and a water pump. That's it.

 

Update (and a couple questions)......

Since I did not have a vac tank on hand (or was able to order one), I just capped the hose where it terminated at the tank. HVAC controls now working as they should.

As for the drivability issues, they are still here, so I am gonna order up the CPS and see what that does for me first. I wanted to take the T-body off last night and give it another proper cleaning with Deep Creep, but got home late and had no time. Hopefully I can attempt this tonight and see if it fixes things a little.

One question about idle......what is the normal idel level for the Jeeps? 600-700 RPM? Higher?