drolds1

Where do you get non-ethanol gas?

It would be quite a coincidence if the appearance of the wrench light wasn't related to the collision. As far as what's causing it; that's a total crap-shoot. With the first-generation cars, this was a fairly common occurrence, and in the overwhelming majority of cases, the cause was a defective throttle body. Ford issued a TSB, and the defective TBs were replaced. In fact, Ford eventually covered this repair under an extended 10-year/150K mile warranty. You haven't indicated what model year your MKZ is, but 2nd-gen cars have not had this issue. IDK if you've searched through the forums, but my 2020 MKZ 3.0 has been exhibiting a wrench light on and off since late last year. The car has been to the dealer 3 times and currently, has been there since February 23rd of this year. Despite, contact with Lincoln engineers, to date, they cannot find the root cause. They've run a TSB for stuck VVT solenoids, replaced the BCM, battery cable, a wiring harness and at last update were waiting for another wiring harness. So, who knows? But I don't think that your collision shop is going to be able to clear the warning without intervention from a Lincoln dealer. Is your car still under B2B/powertrain warranty? A dealer may balk at covering this under warranty based on the "damage due to accident" clause, but they may not be able to prove that either. In any case, if this repair was covered under any collision insurance you may have, any costs could be submitted under a supplemental damage claim. WRT concerns about driving it with the light on, did you have any driveability issues? I did not, and used the car on a daily basis from the time the message first appeared until it went in for service. Good luck and keep us posted.

Ford is recalling 1.3 Million 2013-2018 Fusions/MKZs for front brake hoses that may rupture.

All EB engines are GDI.

Update: Well, the saga continues. I'd gone in for an oil change and state inspection in February, and the SA said he'd check if the BCM had come in. Oh! Yes, it had. Nobody bothered to call. I made an appointment for Thursday, 2/23. Got another Corsair loaner (which I don't like any better than I did last time). I informed them that I'd be going out of town the 26th until the following Saturday. I was assured that it would be done by that Friday. On Friday, the SA called to tell me that they'd replaced the BCM, but the wrench light was still on. At this point, they thought it needed a new battery cable, but that wasn't in stock and the car wouldn't be ready by the end of the day. The SA said there'd be no problem with the loaner sitting in my garage for the week we'd be away and to call him on Friday, 3/3, which I did, but he was out sick. I called yesterday and was informed that the battery cable didn't fix the problem either. They are now in touch with Lincoln engineers. Heard nothing today. Who knows what's going on? I don't have a lot of confidence in this being resolved any time soon.

The rear differential in the AWD MKZ is not LSD. The additive you mentioned is intended for LSD differentials. Therefore, it's not recommended for use in your MKZ.

I had a knocking sound in my '17's passenger side that sounded like it was in the door (no pano roof). It turned out to be the male end of the seatbelt buckle hitting the plastic trim on the outside of the front passenger seat when said seat was unoccupied. My 2020 doesn't do this.

The description starts on p. 255 of the owner manual. If you don't have one, you can download it here.

TBH, I have no idea what this could be. It would be best for your friend to get a professional diagnosis in which a tech cna drive the car and your friend can identify the noise. BTW, AFAIK, there's no factory maintenance interval for the RDU.

CCD was introduced in 2013.

Hello, George, and welcome to the forum. Glad to see you here.

Thanks for the update. I don't see it on the ticket, but how many hours of labor was that?

Mine is on Sport from day 1. I never switch. In fact, it was delivered that way. I’ve been dealing with the dealer leasing manager for so long that he knows where I prefer all the settings to be, and it's done in prep. I doubt that it has any significant effect on fuel economy.