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Re: 01 fuel system problem
Well, I'm a little unsure of my previous post. According to the wiring diagram for the '02, the ground of the starter relay coil is provided by the PCM. So, in theory, the PCM could prevent the starter relay from engaging. However, I don't expect this is the reason for the PCM controlling the ground. Instead, I think the PCM connection is strictly to prevent unauthorized start attempts as detected by the SecurLock or PATS system.
In my mind, the DTR sensor is still high on the suspect list, but I'd like to add the SecurLock/PATS system to the list as well. I guess I shouldn't exclude the PCM relay either.
Do you happen to have another programmed key that you could try for a few weeks to see if that prevents the issue from occurring? Do you know if your car has SecurLock/PATS?
-Rod
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