Start and Stall Condition

Test 1:

Tests 2 - 5:

Tests 6 - 9:

Tests 10 - 14:

Tests 15 - 17:

SYMPTOM
START AND STALL CONDITION

POSSIBLE CAUSES
- Fuel filter/pressure regulator (high)
- Fuel pump capacity (volume) out of specs
- Fuel system disabled by VTSS/SKIM
- Other possible causes for start & stall
- High resistance in the fuel pump relay output circuit
- Fuel pump inlet strainer plugged
- TPS voltage change not smooth
- TPS voltage greater than 0.92 volts with throttle closed
- High resistance in the fuel pump ground circuit
- Fuel pump module
- Kinked/restricted fuel supply line
- ECT sensor (out of calibration)