Looking at a used volvo vnl 670 and got a dyno done. Can someone tell me if there’s anything major reading here that looks bad?
I know the soot issue but it’s getting the one box replaced off recall, so just looking for some knowledge here, Dealership i took it to said “engine runs strong” and that the truck looks good.
Codes from dyno
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by rellxlogistics, Jun 14, 2025.
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Yea i see a lot of issues. A lot of transmission error codes, a lot of ECM error codes a lot of electrical codes. Now i know diddly about volvos but 127 ACTIVE codes related to a transmission lots and lots of codes related to the ECM and more tells me that truck has major issues. Id be hard nopeing out of it if i saw that on a MX or ISX engine. @Siinman is a volvo guy and may know more and have a better opinion. But even outside emissiond stuff i see a lot that alarms ME. But again not a volvo person. Regardless. That many active codes is never a good sign
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Doesn't look like a deal I would be willing to make.Concorde and Arctic_fox Thank this. -
That’s funny because I got this dyno and specifically asked if there was anything I should be worried about and they mentioned the aftertreatment but that the one box was under recall but mentioned that the engine runs strong and it’s a good truck. Mind you I took it to a vanguard separate from the dealership selling the truck.
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Did I see that the HP on that truck was suppose to be 425 and seen like 800 to 1000 HP on the Dino? Not sure that is correct Dino or did I see something wrong?
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yeah they mentioned that immediately, saying that the HP was off and that i just need to divide it by 2 to get the correct number.
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Wait, wait, don’t tell me. The guy who said it ‘runs strong and is a good truck’ was wearing a pink shirt with plaid pants, white shoes with white belt, and his hair was slicked back?
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