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Jeep will not run with the map sensor connected


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Jeep decided that it doesn't want to run with the map sensor vac line connected , if I unplug it , it runs and doesn't stall , it doesn't have a fuel smell and doesn't blow out smoke like it normally would with the map vac line disconnected , if I plug it in it runs for 2-3 secs and it stalls . If I try to give it throttle it backfires from the intake and then stalls , I tried replacing the map sensor and it still did the same thing , I'm lost anybody know what it could be ?

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Decided to go ahead and see how the tps and CPs were doing

 

Tps

8621c712ba155b7379048483d2f62423.jpg

 

Cps 88571a4181f8f87f56b638aa36399b2a.jpg

 

I'm gonna go ahead and I test the fuel pressure tomorrow and see what I get , I replaced the fuel pump with a carter from napa and a fuel filter with a wix 11 months ago , it can't hurt to eliminate the possibility of a bad fuel pump

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Fuel pressure was 8 psi , took out the sending unite and somehow the hose slipped off ,bought a new clamp and put the hose back on and all is good . Bought a new lock ring and seal and put it back together and the damn thing is leaking again when the tank has more than half :( searched up cc and saw that the p/n for a tank o ring from mopar is 5300 0575 is that correct ? Will it fit my swb gas tank ?

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Fuel pressure was 8 psi , took out the sending unite and somehow the hose slipped off ,bought a new clamp and put the hose back on and all is good . Bought a new lock ring and seal and put it back together and the damn thing is leaking again when the tank has more than half :( searched up cc and saw that the p/n for a tank o ring from mopar is 5300 0575 is that correct ? Will it fit my swb gas tank ?

 

Yes and yes.

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