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WOW!! I can';t believe nobody has helped you out on this one yet. These type of questions don't usually make it way back here to me. But if you still need help, I'm here.
What you are actually looking for is a rich condition in the cylinders when it won't crank while warm. Vacuum leaks will cause a lean condition, and it takes less gas to run a warm engine. So, if there were a vacuum leak, then the engine would have a hard time starting when cold, actually.
Things that cause rich conditions are low cooling systems (make sure it is COMPLETELY full, and not 1-2 inches below the top. If the system is cool, then move on to looking into the coolant temp sensor (and circuit).
IF you still need any help or instructions, just let me know.
That is correct:
You might also look into the air temp sensor, too...
Here is locations of the sensors, but before you start diving into everything..Is the engine light on?
MY bad, its a series of lights on the computer... It is under the driver's seat.
Here are instructions on it:
The self-diagnostic system is used to diagnosis malfunctions in major sensors and actuators of the ECCS system. There are five modes in the self-diagnostic system:
MODES I & IIIn these Modes, the control unit monitors Air/Fuel ratio and Air/Fuel ratio feedback coefficient. Refer to charts, Figs. 159 and 160, for display indications.MODE IIIThe ECU constantly monitors the function of various sensors and actuators, regardless of ignition key position. If a malfunction is present, it is stored in the ECU and can be retrieved from memory by turning on diagnostic mode selector, located on the side of the ECU. When activated, malfunction is indicated by a series of flashing red and green light emitting diodes, also located on the ECU. When displaying malfunction codes, then code number can be determined by counting the number of light pulses. The red light represents the first digit of the code, while the green light represents the second digit of the code. For example, a Code 12 would be displayed as one flash of the red light, followed by two flashes of the green light.Malfunction codes can be translated using the following decoding chart:
The diagnostic code retained in the ECU will automatically be erased after starter is operated for 50 times.