Increased strating time when hot

[mbruce]

In the last few days my Camry (2AZ) seems to have a slightly increased strating time during a hot start. Its not hugely longer, maybe double that of normal. Strange thing is it only dose if you leave it for about 20+ mins after driving it. If you try shortly after stoping, no problem, if you leave it for about an hour also no problem. Cold start is normal also.

I was thinking maybe fuel pressure, but if it was, it would happen on the other instances also wouldn’t it? Could it be maybe I need some new spark plugs? Not that it should make any difference but I have been running it on 98RON for about the last 10 tank fulls.

Any thoughts?

[MAD550]

You'll find its just fuel evapouration whilst the engine is at its hottest, it'll still start quicker after a run because the fuel rail is still charged. Next time turn the key to IGN and give it a few more seconds for the fuel pump to charge the rail. Basically the charcoal canister is doing its job.

[mbruce]

But its never been like it before. Always very qick to start hot or cold.

[Rolla Boy]

Check the battery as sometimes this can be the problem...

Happened to me once before...

[mbruce]

Well took it to Toyota and they fond the problem to be low fuel pressure caused by a deformed “O” ring in the fuel pump assembly. It starts really well now. But they said if it comes back I may need a new fuel pump assembly, but let’s hope it says good!