Check fuel pressure first, it may be low.
FUELÂ PUMPÂ PERFORMANCE
Application (1) Pressure  psi (kg/cm2 )
Tercel 41 42Â (2.9 3.0)
(1) Check fuel pressure with jumper wire installed between data link connector terminals +B and FP,  ignition on and engine off.
Then check vacuum at intake if 15: or below then suspect a clogged converter.
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Friday, December 28th, 2012 AT 1:14 AM