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I have a 2018 R5 with a 300HP Volvo Penta engine with about 220 hours on it. My marina launched it for opening day and there were issues with my throttle so they replaced the helm control unit (HCU) but it still didn't fix the problem. Next the ECM module was replaced but during the water test, the boat would go right to redline as soon as it started so now they are replacing the PCU. This is all being done under warranty thankfully. Has anyone else had issues like this? The dealer that I bought it from new services and stores it so there's nothing I've done. Thoughts?

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Hey japalias...welcome to the CobaltChat forum. So glad you found us!

Sorry to hear about your R5 woes. Hopefully some of our Cobalt R Series owners can chime in on this.

Any pics of yours?

Again welcome aboard mate!

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Love that baby blue color combo!

Color is great.

When I was looking for my boat, my preference was anything that was not dark black or dark blue since almost every boat on Lake Tahoe are those two colors.

My 2019 R3 VP350 (same engine) has not had any such problems. I'm sure the dealer will figure this out. Please let us know what the dealer finds out. Hopefully you will be back on the water soon.