Poor DRIVEABILITY

Hesitation/Poor Acceleration

• On Avalon, Camry 2.2L 4-cylinder gasolines models, Camry 3.0L V6, Camry Solara, Celica, Corolla, ECHO, Highlander, MR2, Prius, RAV4, Sienna, Tacoma, Tundra 3.4L V6 and 4Runner, check fuel pump control circuit. See FUEL PUMP CONTROL CIRCUIT under COMPUTERIZED ENGINE CONTROLS in appropriate SYSTEM & COMPONENT TESTING article.
• On all models except MR2 and Prius, on models with electronic controlled automatic transaxle/transmission, check for problem with electronic controls for automatic transaxle/transmission. See appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
• On Camry 2.2L 4-cylinder CNG models, check fuel shutoff valve circuit. See DTC P1190: FUEL SHUTOFF VALVE MALFUNCTION test in SELF-DIAGNOSTICS - CAMRY 4-CYLINDER - CNG article.
• On Corolla, check A/C-cut control system circuit. See A/C-CUT CONTROL SYSTEM CIRCUIT under COMPUTERIZED ENGINE CONTROLS in SYSTEM & COMPONENT TESTING - 4-CYLINDER article.
• On Land Cruiser, check fuel pump control circuit. See DTC P1200: FUEL PUMP RELAY/ECU CIRCUIT test in SELF-DIAGNOSTICS - LAND CRUISER article.
• On Prius, there may be a problem with the hybrid transaxle.
• On Sequoia and Tundra 4.7L V8, check fuel pump control circuit. See DTC P1200: FUEL PUMP RELAY CIRCUIT test in appropriate SELF-DIAGNOSTICS article.

Surging

• On Avalon, Camry 2.2L 4-cylinder gasoline models, Camry 3.0L V6, Camry Solara, Celica, Corolla, ECHO, Highlander, MR2, Prius, RAV4, Sienna, Tacoma, Tundra 3.4L V6 and 4Runner, check fuel pump control circuit. See FUEL PUMP CONTROL CIRCUIT under COMPUTERIZED ENGINE CONTROLS in appropriate SYSTEM & COMPONENT TESTING article.
• On Camry 2.2L 4-cylinder CNG models, check fuel shutoff valve circuit. See DTC P1190: FUEL SHUTOFF VALVE MALFUNCTION test in SELF-DIAGNOSTICS - CAMRY 4-CYLINDER - CNG article.
• On Land Cruiser, check fuel pump control circuit. See DTC P1200: FUEL PUMP RELAY/ECU CIRCUIT test in SELF-DIAGNOSTICS - LAND CRUISER article.
• On Sequoia and Tundra 4.7L V8, check fuel pump control circuit. See DTC P1200: FUEL PUMP RELAY CIRCUIT test in appropriate SELF-DIAGNOSTICS article.