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Cold Start SwitchTop front of engine (top left side, front of engine 2.8L). See Fig. 3
CHART A-9, COLD START VALVE (ALL ENGINES)
The cold start valve is used to provide additional fuel during the crank mode to improve cold starts. This circuit is activated only in the crank mode. The system is controlled by a thermal time switch which provides a ground path for the valve during cranking when coolant temperature is below 95 °F (35 °C).
Disconnecting the distributor 4-way connector will disable the other injectors. The amount of pressure drop depends on the temperature of the engine.
This test will determine the continuity through the thermal switch to ground.
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Friday, March 12th, 2010 AT 5:03 PM