Previa Van RWD L4-148.8 2438cc 2.4L DOHC SC (2TZ-FZE) (1996)
7. Using SST, connect terminals +B and FP of the DLC1. SST 09843-18020
8. Reconnect the negative (-) terminal cable to the battery.
9. Turn the ignition switch ON.
10. Measure the fuel pressure.
Fuel pressure: 226 275 kPa (33 - 40 psi)
If pressure is high, replace the fuel pressure regulator. If pressure is low, check the following parts:
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Fuel hoses and connections
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Fuel pump
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Fuel filter
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Fuel pressure regulator
11. Remove the SST from the DLC1. SST 09843-18020
12. Start the engine.
13. Disconnect the vacuum sensing hose from the union, and plug it.
14. Measure the fuel pressure at idle.
Fuel pressure: 226 - 275 kPa (33 - 40 psi)