1989 Toyota Landcruiser Lc Runs Very Well Almost Time Intermittently

1989 TOYOTA LANDCRUISER
230,000 MILES
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My LC runs very well almost all of the time. Intermittently when I accelerate, It feels like the acceleration is in slow motion. If I push the gas pedal all the way down, it will do a hard downshift into the lower gear. When I let back off....... back to slow motion, almost like trying to suck ice cream through a straw. The engine idles great, in neutral sounds awesome at normal rpm, no misses or hesitation I have replaced the fuel filter, spark plugs and the cap and rotor are fairly new. Any ideas what may be causing this.
Oct 28, 2012 at 5:43 PM
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KHLOW2008
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Symptom indicates possible fult with the TPS ot MAF. Did you check for trouble codes?
Oct 28, 2012 at 7:21 PM
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