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Is there a way to detect if a custom tune is already present? Also, does anyone try and tune for a VTCS delete? I’m just trying to troubleshoot and as a long shot wondered if a previous owner had a custom tune that was never removed.

I had pulled the fuse for ABS and that disabled multiple things. Is it possible to disable only ABS and keep things like traction control still operating?

I’ve asked several related questions over the last 1.5 years but hopefully I’m narrowing this down and I wanted to ask another question: What is a potential reason(s) why the Speed engine would misfire considerably more when cold? And would it being one cylinder vs. multiple cylinders matter in...

For anyone wanting to replace a rear hub and bearing … it sucked :) Getting the hub off was insane. It took about 80 min using a mix of a hub puller with a multi-hundred lbs impact, penetrating oil, and a mini sledgehammer. Easily the most physically taxing job I’ve ever done on a car. And...

I had ordered a Dorman rear wheel hub for my MS6 and it wasn’t the right part. I’ve seen that part # on several websites as compatible so I didn’t think too much of it. It doesn’t have the splines for the CV axle. So I looked around and saw many hubs claiming to be compatible but the images...

I have read elsewhere on the internet about disabling cold start by holding the accelerator at 5% when starting the car. I tried it this morning but not sure it accomplished anything. Does anyone know anything about this? I’m not looking to always disable cold starts. I just have a cold start...

I’ve been getting occasional P0401 codes. In my one ODB app I can see this: I’m assuming the EGR valve and/or the pipe to the intake manifold needs cleaning. Has anyone ever done this? Any advice? Thanks.

What’s the standard load and speed rating for tires on the MS6? Mine came with 95W’s so that’s what I’ve gotten previously. However I need to replace the two front tires and found a good deal on 91’s and I wasn’t sure if that was high enough.

Which fuse has to do with the horn? I meant to test the connection to the horn when I was replacing the radiator since it’s right there but I was in a rush. I figured checking the fuse would be a quick first step.

I am having an ABS issue and haven’t had time to properly troubleshoot it. In the meantime I unplugged a wheel speed sensor which alleviated the issue. In doing so the ABS, traction control, and DSC lights came on. I was wondering if this affected the AWD, in that maybe AWD was on all of the...

I’m trying to find a low-cost (but not totally sucky) replacement radiator for my Speed6. I have a leak which I think is along the metal/plastic lower seam so a temporary repair is elusive for me. I had considered using K-Seal since some people claim it doesn’t gum anything up but I feel...

Adding to my list of issues (I’m thinking they’re related)… For a while ABS was activating occasionally when I was slowed down from a stop, like 5mph or less. It’s continued to get increasingly frequent and intense, and yesterday it even came on when I was driving at 35mph with my foot on the...

To add to my list of questions… I just got a replacement serpentine belt, the same that was already on there. Dayco, same part number. I tried really hard to get the new belt on but I can’t seem to. I do the power steering pump last. I’ve done the older belt a few times without issue. Though...

I’ve been having a handful of small issues with my Speed6. The latest issues are electrical. Simultaneously, the power locks stopped working, the interior lights don’t come on when opening doors (but the overhead lights work switching them on manually), and the turn signals stopped...

Two weeks ago with my MS6 I suddenly had shaky acceleration and a loss of some power and the CEL came on. Misfire cylinder 4. A couple of times in the past I’ve felt misfires (although no CEL) and Techron has easily cleared it up—dirty fuel tank? But this time it was much worse. By the time I...

The ABS on my MS6 has been activating toward the end of braking (10mph and below). It started out very occasionally but now it happens most of the time. Just the front, maybe the front passenger. Today I cleaned the speed sensors (ABS sensors?) and the tone ring on the CV axle. That didn’t make...

I recently saw a video where someone cleaned their O2 sensors by using carb cleaner through a vacuum line. I thought it wouldn’t hurt to try and I have reason to think the O2 sensors aren’t totally clean. I’ve read to use the brake booster line but I don’t know which one that is. I also...

Over the last few days I’ve been feeling a very noticeable hesitation with light acceleration. It’s like the car is jerking or going over a bump. It happens more strongly when cold and in lower RPMs (<2500), though it does still happen when warmed up and higher RPMs albeit less often. I’ve...

Today I drove my MS6 a lot and then parked it for 10 min. When I started it up I heard a knocking sound. Not super loud. Then I drove 10ft just to see what it did and the knocking was completely gone and didn’t come back for the next 2 hours of driving. In the brief time I heard it it sounded a...

Over the last few weeks I’ve been smelling transmission fluid in the cabin, especially when the vents are blowing in air. I also smell it outside of the car after driving for a while. I wasn’t sure what would be causing that (breather valve issues?), and whether it is more likely to be the...