Sometimes takes 2 or 3 times. The battery is good. Does it more often now. Seems to be getting worse. Am guessing a problem with the computer.
For an engine to run, you need spark, fuel, and compression.
You can rule out compression, so you would need to know if you are missing spark to the plugs or fuel to the injectors when it will not start.
I doubt it is the computer.
My first guess would be low fuel pressure, either from a faulty fuel pump relay or a problem with the fuel pump.
SOURCE: 02 Sienna, idling issue, new battery, alternator tested good
check for vacume leaks listen for a hissing sound if you here one but cant pin point it you can use a spray bottle of gas of can of ether both very flamable so be gentle and spray around the sound when the engine revs up theres your leak thats where i would start
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SOURCE: 1999 landcruiser has intermittent starting
I had a similar problem with my landcruiser sometimes it would start no probs at all and other times it would start to crank and then stop and you had to try a couple of times to start it. It ended up being the starter motor contacts failing.
Just another thing to look at
SOURCE: My 2002 Toyota Camry won't
did you use professional quality jump leads and not them cheap made in china junk ones for the local chinese shop??
Check the fuel line pressure it may be low should be 55lbs
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