98 v6 mustang stalling when in drive unless gas pressed

gonzalesjon

New Member
Jan 9, 2023
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Glendale
I'm currently having issues when I put my mustang in drive it stalls out. If left in r n or p it idles fine. If I give it gas it will run fine in d and hit into n while stopping it will idle fine. Then I can drive like this but keeping it in drive without revving or driving it will shut down. So far I replaced the iac, the spark plug wires, spark plugs are fairly new, new battery, alternator, water pump, ac. I'm scatching my head and I'm thinking it's either the tps or speed sensor I have some pics please help me the stupid emissions are coming.
 

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I actually did and no I'm not showing any codes. It's an automatic and I'm wondering if this device I bought that's suppose to help the car run better on obd. If it changed the idle setting for d mode in the pcm.
The only thing that the device does is read registers from the ECU. It is not a tuning device.


I would try pulling codes again:

Once with the key on and the ignition off
Once with the key on and the ignition on
Once right after the thing dies.
 
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