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I’ve replaced both of the throttle pigtails. The thing almost always fires right up once I get it into park without a PCM reset. The shop wants to put in another used PCM, but they want to charge me for parts even though its only been a couple months since they put it in. Is there anything...

So here’s an update. The truck still dies, almost exclusively when it is hot out and when driving over 60mph (slower with a load). The shop has a new computer to install, but they want to charge me for parts so I have not agreed to do this again. I replaced the fuel pump with no change to the...

Hi, here is an update on my explorer. I had a local highly recommended shop go through the truck. They deduced that my new PCM was bad and replaced with another remanufactured one. A month later, it died a couple more times on the highway. So I brought it back last week and they cleaned the...

Ok, I just replaced the TPS harness pigtail. Motorcraft part. Now the truck will only start in forced idle, no throttle control (just like when I used the new pcm). I will test the pcm side of the harness to make sure there’s nothing wrong with my work, but what’s going on here? This is...

Ok so I haven’t had access to Forscan to do all checks on the fuel pump yet. But today I did change the fuel filter. Truck is still about 50/50 on running correctly or forced idle. Always the same P2017 and P2110. I believe I may still be dealing with a harness issue; when I look at live data...

Thank you again. Here is an update: Truck ran fine until yesterday when it would not start in the heat of the day. Wife reported that it didn't idle very smooth at times. Today it was fine again, though I pulled misfire codes this morning. I finally heard back from the PCM seller, they sent me a...

Sure enough, it started briefly while spraying carb cleaner into the TB. But it wouldn’t stay running. It was looking more and more like a fuel delivery issue, but I still suspect it is electronically failing. Live data was continuously showing “open loop due to insufficient engine temperature”...

Thank you, I did some more sniffing around the harness and found some exposed wires coming from the throttle control. I taped the wires up neatly but no change. So today I put the original PCM back in and used FORscan to relearn my keys. It started up and idled well for a few minutes. I shut it...

Ok, I'm definitely considering upgrading my scanner, because the locksmith raked me over the coals. If I can identify a harness issue, and reuse my original PCM, you're saying that Forscan will allow me to reset parameters and relearn my keys? I use a bluetooth scanner with the "Car Scanner"...

Thank you again. I’ll try that tonight once I find a schematic. One thing I discovered today, probably unrelated, is a broken vacuum line. It was melted in half where it contacted the egr valve housing. It’s a very thin plastic line, I believe it enters the firewall to control the AC door...

Is that the reason I am always gettin the codes for throttle actuator control? I mean it makes sense, it’s just that I don’t understand why it had been driving fine most of the time on the original PCM, including the day I swapped in the new one. Could the original one have been ignoring the...

Ok I git a look at the throttle and accelerator on my scanner. “Absolute pedal position” changes in response to the pedal. Relative and absolute throttle position as well as commanded throttle position are completely static. I take it to mean that the pedal is working (as it always has before)...

Thanks for the insight. The wheels/tires were aftermarket when I bought it several years ago, but I recently changed to a factory set which do not have TPS in them. As for the pigtail, I only replaced the connector and about 12” of pigtail. I’ll do the check on the harness as suggested, I’m...

It’s a v6. I uploaded a shot from the dealer report which has the codes pulled when the PCM was malfunctioning.

Thanks for the reply. I need to find the sheet with the codes it had previously. Right now when I start it I get P2104, P2107, P2110. I have a scanner which does live data and other functions, though it is not bidirectional.

I installed a rebuilt PCM from flagship one this weekend, not the truck only starts in forced idle mode. It had been dying occasionally while driving, or just not starting. DTCs led me to believe it was the throttle body so I replaced that new. Problem continued, so I also replaced the TPS...