95 ES300 rpm hunting around 1000rpm

  #1  
Old 10-28-2008, 08:39 PM
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Join Date: Oct 2008
Posts: 2
Default 95 ES300 rpm hunting around 1000rpm

At lift-off under load, engine starts hunting around 1000rpm in L, 2, D but not in R. Stall speed R approx 2200rpm, in forward gears hunts then bogs down to around 1500rpm. Checked TPS, MAF, no airleaks. Cannot understand why problem appears in forward but not reverse.
Any clues?
 
  #2  
Old 11-05-2008, 07:08 PM
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Join Date: Oct 2008
Posts: 2
Default RE: 95 ES300 rpm hunting around 1000rpm

Found problem after checking every hose - air inlet hose had 1inch split on underside and groove of bellows that opened up under torque reaction in fwd, closed in reverse. Replaced hose and performance now perfect.
 
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