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98 durango 5.2 At first it would not idle. Replaced the IAC valve. Fixed for two weeks. Drove to the store, took this one off and got a new and replaced it in the parking lot. Idling at park 2100, drive 1100. Went back and had codes read. po108 MAP sensor voltage hi
po123 TPS voltage hi
po113 Intake air temp voltage hi
po505 IAC motor circs
What would cause all of these sensors to read hi? I went to the local junk yard and got a complete throttle body with the map, tps, iac on it off of a wrecked 5.2 durango. Put this one on. Same problems.
 
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98 durango 5.2 At first it would not idle. Replaced the IAC valve. Fixed for two weeks. Drove to the store, took this one off and got a new and replaced it in the parking lot. Idling at park 2100, drive 1100. Went back and had codes read. po108 MAP sensor voltage hi
po123 TPS voltage hi
po113 Intake air temp voltage hi
po505 IAC motor circs
What would cause all of these sensors to read hi? I went to the local junk yard and got a complete throttle body with the map, tps, iac on it off of a wrecked 5.2 durango. Put this one on. Same problems.
You need to reset your PCM. Disconnect the negative battery terminal for about 1-2 minutes, reconnect, start engine and let it idle...DO NOT REV THE ENGINE...and let it come up to operating temp. Switch it off and restart and see if that cures your problems.
 
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