My 88f1504x4ext cab starts up by then idle down to 8r9rpm then it want reb up it bogg out and dies then it want start for a while. It's got an fuel pump and fuel lines and fuel pressure regulatorwhatwroungwithit

My 88f1504x4ext cab starts up by then idle down to 8r9rpm then it want reb up it bogg out and dies then it want start for a while. It's got an fuel pump and fuel lines and fuel pressure regulatorwhatwroungwithit 2 Answers

i have an 88 f150 5.0 new high and low pressure fuel pump it doesnt like to start it cranks and cranks then finally starts it runs great after it starts i think im loseing fuel pressure when the motor 2 Answers

it cranks a lot before starts I think im loseing fuel pressure when motor is off I just don't know where please help

i have 1986 f150 5.0 fi with duel tanks .the truck runs until it warms up and then it idles down loose fuel pressure then dies . i replaced the high pressure pump on the frame then the pump in the rea 2 Answers

the truck runs until it warms up the idles down the looses fuel pressure and dies . I replaced the fuel pump on the frame and fuel pump in the back tank and also the map sensor and still no change .

i have 91 F 150 4.9 ENGINE . It will crank and run fine then just goes dead . If i switch tanks it will crank back up and run fine , then you drive for a while and it goes dead again . 1 Answer

if i'm running the front tank it runs fine for a while , then dies . i switch to the rear tank , it runs fine for a while then dies . i switch back to the front tank and it cranks back up and runs fin...

When I start truck after its warmed up it sputters and I have to hold peddle to floor for about 10 to 20 sec. then it clears up and starts to idle and run normal. 2 Answers

Could it be bad coolant sensor or map sensor? 4.9 six cylinder