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Slojoe72's avatar
Slojoe72
Explorer
Jul 10, 2015

Warning light on dash

New to this motorhome, 1999 class A diesel pusher 350 cummins. A couple times on hard acelleration there is a yellow warning light comes on dash. What is that for?
  • I had a 1987 Winnebago Chieftain with a 454 Chev that had an "efficiency" gauge the showed amber when my foot go a little heavy. Not sure this is the same!
  • The surest way to know is to read the engine code. A shop can do that for $$$ or you can buy VMSpc.
  • It could be indicator for the air filter. Some rigs have a sensor that shows when the air cleaner needs to be cleaned or replaced.
    Look at in the engine compartment for a small cylinder shaped unit. It should show green/yellow or red. As the air filter gets dirt air suction will pull the diagram from green toward yellow and then red. It may have an electrical switch connected to it.
    May look something like this
    Air filter indicator
  • No symbols .... Just a yellow "warning"
    99 holiday rambler imperial, road master chassis
  • Slojoe72 wrote:
    New to this motorhome, 1999 class A diesel pusher 350 cummins. A couple times on hard acelleration there is a yellow warning light comes on dash. What it that for?


    See if you can post a picture. Also the make and model of the motorhome as well as the chassis manufacturer would help.