4.0 starts great when cold won't start when hot

[bowtieuser]

I have 2 4.0 comanches that start and run decent but as soon as I shut them off I can not get them to restart until they cool off?? Any suggestions?  I bought a new cam/crank shaft position sensor for one of them and plan on trying that this evening. 

[HOrnbrod]

How about creating a signature so we know what you are driving....

 

[bowtieuser]

I created one sorry 

[Ωhm]

Possible leaky injector(s). Try hot start with throttle pedal held to the floor (WOT). This sets a clear flood condition.

[HOrnbrod]

4 hours ago, bowtieuser said:

I created one sorry 

 

  Now if we could only get everyone to do this....

[bowtieuser]

I'll try that thanks

[cruiser54]

So, they're 88 and 89, right?

 

The CPS can be tested and is suspected. Refresh it's connector in the engine bay.

 

That said, I would go to www.cruiser54.com and perform tips 1 through 5 on the 88. Tip 2 does not apply to the 89. 

[dpoly]

theres a wire harness on the top of the engine right next to the firewall that tends to lose connectivity causes the engine not to spark. could be the culprit