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I have an issue with a CP I bought. The speeds do not match up at all and every engine I have leaves the CP in the dust. This is a very annoying issue. It was so bad that a locomotive ended up smoking and getting fried due to a faster locomotive pushing on the CP. My question is how do I fix this? I would love to run this locomotive in a lashup and have it work properly.

Appreciate any advice & input

Thank You

Diego

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Last edited by Diego
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Run the CP and another close to each other and see what they do.  If the speeds are very different your gearing is different and you can't run them in a lash up.  Of course be sure they are both lubed and operating correctly first.  Getting to the point of having one smoking may have damaged it as well.  Always do the seperate but close test to check when you get a new locomotive.

@Dougklink posted:

Run the CP and another close to each other and see what they do.  If the speeds are very different your gearing is different and you can't run them in a lash up.  Of course be sure they are both lubed and operating correctly first.  Getting to the point of having one smoking may have damaged it as well.  Always do the seperate but close test to check when you get a new locomotive.

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Rick is right, if the other locomotives are Legacy diesels, they should run very close in speed.  If it's just the SD90 that's slow, have you reprogrammed it, that performs a reset.  I recently had a similar issue, a very slow stock Legacy locomotive.  Once I reprogrammed it, suddenly all was well.

How do I reprogram it? I set the engine to ENG 1 but that didn’t seem to do anything

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