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v30 wont start when hot

mikey_nz

By mikey_nz,
in 90-95 WD21 Pathfinders

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mikey_nz NPORA Newbie

mikey_nz

Posted
Posted

hey guys i have recently got a pathfinder. it is a 91 v30 petrol 5 speed.

when it is cold it starts first turn of the key, once the engine is warmed up it will not start.. cranks over but thats all. i had a few guys help me try push start it and it started but was missing all the way home.

i need some help plz guys

mike

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Kingman NPORA Old-Timer

Kingman

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See how hot the coil gets and if its producing any spark, and if it does check the color. Should be bright blue and not a dim yellow. Also check the ECM coolant temp sensor in the upper coolant neck, when they go bad they tell the ECU its much colder than it really is therefore flooding the engine when its hot.

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Precise1 NPORA Old-Timer

Precise1

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Thought I replied to this, or was it someone else? :shrug:

 

Check the wiring to the coolant temp sensor and the resistance of it. My buddies truck cut out like a switch when it warmed up and refused to start until we cleaned the connector. Ran flawlessly after that...

 

B

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silverton NPORA Old-Timer

silverton

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Thought I replied to this, or was it someone else? :shrug:

 

Check the wiring to the coolant temp sensor and the resistance of it. My buddies truck cut out like a switch when it warmed up and refused to start until we cleaned the connector. Ran flawlessly after that...

 

B

 

We did, he had made two topics, both in TBI and MPFI WD21 sections.

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