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kiloo9's avatar
kiloo9
Explorer
Jun 25, 2014

Trouble with Workhorse 8.1 motor loosing power

Having trouble with an 8'1 workhorse gas engine. An acquaintance of mine is experiencing lost of power, engine will go to staled mode and gets "Reduce power" on the instrument panel. Now this has happen a couple of times once on the road while traveling at normal speed but other times it would happen when he pulls in for gas, once ready to take off will happen it would last probably about 5 minutes, after turning off the engine and waiting about 5 minutes then re start the engine it would be OK Normally by the time he would get some place for help the condition is gone. Recently He was able to have the coach in for service and the condition happen at the service shop, after some trouble shooting it was determine that the trotel valve and pig tail needed to be replace.the parts were replaced and in less that two day on a small trip it all happen again. Has anybody out there has ever happen to have this kind of problem or has some information that can help.
  • Sounds similar to what happens when the in-tank fuel pump is going bad. A bad fuel filter, which is located back by the fuel tank, usually is not an intermittent problem. He also needs to check the electrical connectors coming out of the steering column to make sure that they are all making good contact.
  • Needs this

    A gauge will tell you a lot about what is going on and more important it will give you the check engine codes.

    Is he getting a check engine light?

    Do not throw parts at it until you know more about the problem.

    What year and how many miles are on the engine?
  • Needs this

    A gauge will tell you a lot about what is going on and more important it will give you the check engine codes.

    Is he getting a check engine light?

    Do not throw parts at it until you know more about the problem.

    What year and how many miles are on the engine?
  • Fuel filter maybe... I would also inspect the plug wires. Heat from the engine can melt parts of the wire and cause loss of power. Bad fuel could also be a cause. Try treating the fuel with Heat or similar product.