Hi everyone, I have searched this subject but not really found anyone with exactly the same problem, our IS200 has been fine all summer but now on the cold damp mornings rather than starting within a few seconds of cranking it will fire then stop. Crank again, fire but wont keep running, repeat 3 or 4 times then eventually it runs. Alternatively if I just keep cranking for 10 to 15 seconds rather than letting the key go when it fires, it fires a few times while cranking then starts. Battery voltage is fine and it cranks over at a good speed.
It has done 90k, full service history, cambelt replaced in the summer, the engine management warning light is OFF.
I have ordered an ELM unit and Engine Check software to see what the various sensors are reading, I guess there wont be any stored error codes as there are no warning lights showing. I am new to electronic engine diagnostics but I am an experienced electronics engineer.
Thanks in advance, Martin