when the car is warmed up to
operating temp it stalls when i come to
a stop...the idle drops down to 500-450
You could have a clogged converter, when it gets hot it chokes the engine. On the other hand, it is more likely that you have a bad fuel pump. Same deal, when it gets hot. could also be a bad ignition switch Honda has put out a TSB for this switch... check with a dealer to see if your car falls in the VIN range. Check the TPS and MAF. If either one of those are bad or not connected it could cause the car to stall under heavy acceleration
Check for vacuum leaks and the egr valve system
How long has it been since your last tuneup and filter change?
Is it an automatic? When it does does it start back up right away?
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