CPT also was needing to floorboard it to start. It's a long rambling thread>>
https://www.cherokeeforum.com/f2/ren...pushed-120446/ <<, but I thought the below might matter. He IS Renix...Idk!

CPTslackass
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Join Date: May 2011
Location: Lenexa KS
Posts: 216

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1989 Cherokee



It's the damn CTS again. This new one still tests good *much like the old one* I think I'm going to replace the wiring directly from the computer too the sensor. In the mean time, she runs great with it unplugged.

 

Well, all I meant was lack of spark might leave the plugs wet, and those listed affect spark. If you consistantly have a blue spark, and it's flooding, (and starting floorboarded) Then I'd think MAP, CTS, IAT, 02 sensor.

One thing about wrenching. If you live through it you come out tough as nails! (or in an institution) !

 

Ha ha well I have lost the skin on my right pinky finger, and burned the prints off the inside of my hand, (using knuckle breakers, and I grabbed a header when I thought the jeep was gonna fall), I also disconnected the drive shaft once and held on to the tc while the jeep rolled down the driveway...
It has been a lot of fun and a TON of learning, and I love every minute of it, but this intermittent jeep starting is the best one so far...

Also ill change the cts too, its the cam shaft sensor, correct?

 

No, the Engine Coolant Temp sensor is under the manifolds
on the side of the block, can be tested...(if I have that right), then your gauge sender is in the t'stat housing, and the e-fan sensor is on the radiator.

I think!

 

So...now things are going better I assume?

I Pm'd CPT and asked about how his similar deal worked out........

"I had a mouse in my Cherokee that chewed up many wires. The wires going to the CTS had their wire covers chewed leaving exposed wiring under the plastic sheath. When ever the wires would touch, it would short out the sensor sending weird signals too the computer."

So I suppose that's why changing parts didn't help!

You in Florida?

 

No I'm in va, it hasn't died since then, and here's the list I did
Map
Cps
O2 (both)
Iac
Injectors
Plugs
Wires
Oil
Air filter

(And got rid of the dummy lights so I had a tack to monitor vehicle idle)
I will update this fourm after a few months and check up, but so far...
I maybe taking a trip up to Canada want to get warm enough to watch the Northern Lights so we'll see how she dose

 

Great! Oh, just you mentioned going to Florida. Glad she is behaving. (maybe she is paying you back for holding her TC) .

 

Ha ha that was my 96 (build in my Sig) this is my 97 dd/ race car ha ha but yea that was a scary day... Ha ha

 

Paints a picture! So she sort of took you for a ride....how did you two resolve that anyway?

 

Ran in to my gf's parked liberty with my hitch ball.. she was pleased, I told her its a jeep thing

 

Just throwing it out there....flooding randomly, poor thottle responce...how is the ignition coil?
good luck

 

Drove it all the way to sc to get a HP 44 trussed locked and cut down to size for $1000 jeep did great!

 

And the crowd cheers! -- ,,,,

Sounds like you got it licked, well done!

 

Sounds like you got it congrats but just in case...one more thing to look at...number 3 in this article and see if it may apply. Essentially it is saying that if the head gasket blows between two cylinders that it may cause a no start condition. Pretty easy to test by checking compression in all cylinders

http://troubleshootmyvehicle.com/jee...-head-gasket-2