1992 Toyota Previa Loosing power is rain

  • 4 CYL
  • 2WD
  • 300,000 MILES
I have a 1992 Toyota previa and the other day I was driving it in a really bad really bad rain storm which had already been snow earlier, so lots of slush too. Anyway I was driving along and all of a sudden the thing was idling really rough and felf and sounded like it wasn't running on all four cylinders anymore, so I tried to get it home as soon as this started happening, and the more I tried to drive the more it would loose power, And at one point I'm sure it was only running on One cylinder. Then once I had to start going up a hill again I couldn't go any more because their just was not enough power to get up the hill. So I just shut it off. After about 5 minutes I tried to start it up again. It seemed like it was a little better so I got it home but it still wasn't running on all fours. Ended up leaving it sit for the rest of the day. But the nest day it was running back to normal. Back in the dry weather. But it usually doesn't have any problems in the rain.

Any idea what could have caused this?
Do you
have the same problem?
Sunday, January 20th, 2008 AT 8:11 AM

1 Reply

Yes, I had the same thing with my Previa when it was raining outside. Turned out was because of needing a new dist cap and spark plug wires. These are located on the bottom part of the engine making it more susceptible to moisture especially when it rains. Any wear on the wires or cap will make it run rough until it dries out. I had new wires and cap installed an no more problems.
Was this
Sunday, March 16th, 2008 AT 2:06 PM

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