4.0 l starts runs 10-12 mins dies ,will not restart. wait 30 mins, starts, runs, 10-12 mins

10

Asked by Jul 07, 2014 at 11:41 AM about the 1989 Jeep Comanche Pioneer

Question type: Maintenance & Repair

89 jeep Comanche  4.0 L new, plugs, Rotor, Dist. Cap Coil, Wires, Ballast Resistor, Ign., module, Reman., Dist., Starts & runs fine for 10-12 minuets. Dies and will not start until cool, 30 mins. or so. then starts and run 10-12 mins. etc,etc ,

5 Answers

10

crankshaft position sensor

1 of 1 people found this helpful.
5

you could have a bad distribtor

5

your dist.probably has a small crack when your engine warms up the crack opens up an causes the engine to shut down

30

I have a 1989 will start an run for 2 seconds an die but if you spray either in tb it will run till you stop spraying . New fuel pump new pick up in distributor it is a 4.0 could it be the ecm any help would be welcome .

3 of 3 people found this helpful.
30

O yeah the balister on firewall is wired together ihave the fuel pump by taking the relay out running all the time it has fire to injectors . Crap im out of answers does anybody have an idea to this

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