My 1999 honda accord does not start on the first try. Always on the second or third try. I have changed ICM (ignition control module), spark plugs, distributor cap, rotor, and ignition coil, but I still have the same problem. Sometimes, but not all time, the car will startup on the first try if the tank is full.

Your pump may be getting weak. Do you turn on the key and let the pressure build, or do you hop in and turn it over right away?

No, I usually get in the car and start it. Needless to say, I have already burned out one starter. I want to fix the problem to avoid burning this one.

Turn the key on and let it sit for a few seconds to let the pump prime up; wait until the indicator lights go out. Then try cranking it over and see how it does.

Ok, I tried it, but it didn't work. No change, same problem. Also, the car runs fine once it's on.

Did you install the exact NGK spark plugs that came in the car? You situation has the ear marks of a clogged fuel filter. However, I know your car doesn't have a serviceable fuel filter.

Yes, I used the same ones sold by the Honda dealer.

You have done a lot of good things to your car--you shouldn't be experiencing this sort of problem. Have you cleaned the battery terminals and cable connections?

Consider replacing the Engine Coolant Temperature (ECT) Sensor, which affects fuel injector pulse width. The ECT Sensor is a temperature dependent resistor (thermistor), whose resistance decreases as the engine coolant temperature increases. It provides a richer mixture when cold, leaner mixture when hot. In some cars, they can become problematic.

It's likely located under the distributor on your Accord--easy to replace. Drain radiator to a level just below the sensor, wrap the new sensor's threads with Teflon tape, and install. Here's what it looks like and costs:

http://shop.advanceautoparts.com/pro...pe=290&PTSet=A

No, I haven't tried that yet. I'll let you know.

I would also clean the Idle Air Control Valve, throttle body, and upper and lower ports. Afterwards, install a new air filter.