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Old 03-04-2005, 11:54 PM   #1 (permalink)
Nick T
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94 4runner RPM flux

Got a 94 4Runner V6 A/T 4x4 with 150k. Over the last month or so I have
noticed while accelerating gradually, the engine RPM seems to fluctuate.
I can feel the fluctuation and notice the slight needle movement on the
tach. It doesnt seem to do it while at a stop or idling. Ive tried
flooring it, and it doesnt seem to do it while accelerating rapidly
either. It's rather noticeable on colder mornings. Any Ideas?

Im getting under the truck in a few days to replace the fuel filter, but
I doubt that will make any difference whatsoever. I appreciate any
suggestions.

Nick
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Old 03-04-2005, 11:54 PM   #2 (permalink)
Wolfgang
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Re: 94 4runner RPM flux

Add bottle of Chevron Techron to clean injectors and clean the throttle body
will probably have more effect than fuel filter.

"Nick T" <skemot38@invalid.yahoo> wrote in message
news:37vco7F4ve0h5U1@individual.net...[color=blue]
> Got a 94 4Runner V6 A/T 4x4 with 150k. Over the last month or so I have
> noticed while accelerating gradually, the engine RPM seems to fluctuate. I
> can feel the fluctuation and notice the slight needle movement on the
> tach. It doesnt seem to do it while at a stop or idling. Ive tried
> flooring it, and it doesnt seem to do it while accelerating rapidly
> either. It's rather noticeable on colder mornings. Any Ideas?
>
> Im getting under the truck in a few days to replace the fuel filter, but I
> doubt that will make any difference whatsoever. I appreciate any
> suggestions.
>
> Nick[/color]


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Old 03-04-2005, 11:54 PM   #3 (permalink)
Ty
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Re: 94 4runner RPM flux

Sounds to me like the trans might be slipping a little.

Have fun with that fuel filter, it's really in a tight spot.

Preston


"Nick T" <skemot38@invalid.yahoo> wrote in message
news:37vco7F4ve0h5U1@individual.net...[color=blue]
> Got a 94 4Runner V6 A/T 4x4 with 150k. Over the last month or so I have
> noticed while accelerating gradually, the engine RPM seems to fluctuate. I
> can feel the fluctuation and notice the slight needle movement on the
> tach. It doesnt seem to do it while at a stop or idling. Ive tried
> flooring it, and it doesnt seem to do it while accelerating rapidly
> either. It's rather noticeable on colder mornings. Any Ideas?
>
> Im getting under the truck in a few days to replace the fuel filter, but I
> doubt that will make any difference whatsoever. I appreciate any
> suggestions.
>
> Nick[/color]


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