1987 Ford Bronco II Stalling - Engine

Question: engine seems to run fine when cold. idles warm, until you crack the throttle. then dies. will not restart until it cools off. completly baffeled. any ideas?

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Technican: Hi; Sounds like the Tps is not working. Need to have a diagnostic test done. Without the codes we will be guessing.

Owner: are you refering to the sender or switch on the side of the throttle body? If I play with the adjustment screw I can keep it running while it's hot ( turn the screw out) but it wont start hot. If I turn the screw in it will start but idles too fast. also I have removed and cleaned the throttle body. but Iam suspecting this switch because it seems to effect the problem the most.

Technican: Hi; I'm refering to the switch. Thanks.

Owner: replaced the tps and the map senser runs great but still will not start warm. awful rich. what's next.no longer dies when throttle applied warm.

Technican: Hi; Still need to pull codes. Might have a bad coolant sensor or IAC motor. Thanks.

Owner: ok how do I pull the codes?

Technican: Hi; You can buy a code reader at your local auto parts store or take it to a shop. The OBDS tester will pull any codes out of the computer. There is two test you will have to do. The KOEO (key on engine off ) test and the KOER ( key on engine running ) test. .

Technican: Hi; Still waiting for your reply. Thanks

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