My wifes 2001 Tacoma, 5spd, 4x4, v6 has 58K miles on it and has been acting up lately. It is difficult to start (which I know to be somewhat typical for Tacomas) but will sometimes die when seeking idle, then it is very difficult to start. She can manually rev the engine once started then it runs good. Ocasionally it will stall out when decelerating and coming to a stop. The stalling typically occurs after warm-up.

-There is no check engine light before or after stall.
-I've cleaned all the suspect sensors & parts.
-I replaced the fuel filter about a year ago.
-I've run seafoam treatment through gas & intake.
-It is an extreemly well maintained vehicle.

This started within 6-8 months of moving to S. California. We drove from South Carolina and the Taco performed flawlesly under tow. I wonder if the additives Cali puts in the fuel is causing this. I'm not sure if this is typical for Tacomas. Because of the cost of fuel in Cali, she also has been running 87, and buying it where it is cheapest. We used to only run 89.

Any advice would be much appreciated.

BigErn