I have same engine problem. Triangle signal pop up after I try to start my Prius with a still wet air filter to the car . The engine just run for less than 30 sec. and stopped with the triangle signe pop up. I think this sign will pop up whenever the engine detect certain major function failure. For my case, it was due to retricted air supply to the engine. I have tried Lovebytes suggestion and the triangle sign disappeared with a dry clean filter. My Prius is running good now. This warnig sign may have other implications. Once you try this method and sign still come on. You need to have your car check by garage.
Bellow attach is the answer from Lovebites
posted on Aug 21, 2008
Asker's Rating
Lovebytes
Rank: Apprentice
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I
had the same problem. I unplugged the relays from the fuse/relay box
under the bonnet. (Top left side) and replaced them. The problem
disappeared. (2001 Prius 109,000 miles)
warningh triangle to connect to pc
i have the same problem and I've already done both of the solutions. Neither helped. What do I do?
the yellow warning sign pops up everytime i turn it on and tells me to plug it into my pc device
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