Hard to start after shut down bateen 10 t0 30 mins

My 2007 camry with 282k miles is hard to start after turning off engine between 10 to 30 mins. It has no problem to start first in the morning and after turning off engine 30 mins later.

I almost read post here everyday. I know 5w20 always does well maintenance for his vehicles. I have never changed transmission fluid,  break fluid. But this car is still working well.

History  of problem maintenance :

LR wear baring and out tie rod

4 spark plugs and 2 coil packs, O2 sensor 

front and back stabilizer links

alternator

This camry used to have engine oil consumption problem. Later Toyota provided warranty  and changed 2 pistons, now the engine runs very well.

I check online and ask one good mechanic, but no one can give exactly why I have hard to start problem. Most possibilitis are:

collant level sensor problem, collant temperature sensorproblem , crankshaft sensor problem, spark plugs problem, etc

But nobody can tell exactly problem is.

Anybody can give suggestions? 

Thanks.

 

 

 

 

 

 

 

 

所有跟帖: 

starter -biglow- 给 biglow 发送悄悄话 biglow 的博客首页 (0 bytes) () 11/14/2015 postreply 07:15:12

I changed starter, but it has same problem -fuelinjector- 给 fuelinjector 发送悄悄话 (0 bytes) () 11/14/2015 postreply 07:37:32

Isolate fuel related first and then check CPS/CKP if I were you -5W40- 给 5W40 发送悄悄话 5W40 的博客首页 (0 bytes) () 11/14/2015 postreply 08:32:59

what is cps/ckp -fuelinjector- 给 fuelinjector 发送悄悄话 (0 bytes) () 11/14/2015 postreply 09:18:56

Crankshaft Position Sensor -5W40- 给 5W40 发送悄悄话 5W40 的博客首页 (0 bytes) () 11/14/2015 postreply 11:15:47

谢5万40兄 -fuelinjector- 给 fuelinjector 发送悄悄话 (0 bytes) () 11/14/2015 postreply 11:24:45

+1,先查一查有没有code -soccer88- 给 soccer88 发送悄悄话 soccer88 的博客首页 (0 bytes) () 11/14/2015 postreply 19:40:02

there is no code. check engine light is off. -fuelinjector- 给 fuelinjector 发送悄悄话 (0 bytes) () 11/15/2015 postreply 06:40:48

热车难打,第一查一查pump,和 gas line -soccer88- 给 soccer88 发送悄悄话 soccer88 的博客首页 (131 bytes) () 11/14/2015 postreply 10:35:01

谢足兄, those have been checked -fuelinjector- 给 fuelinjector 发送悄悄话 (0 bytes) () 11/14/2015 postreply 11:19:12

Hope my experince can help you -方宜- 给 方宜 发送悄悄话 (530 bytes) () 11/14/2015 postreply 14:03:54

pushing gas pedal while starting did not help. I tried many time -fuelinjector- 给 fuelinjector 发送悄悄话 (0 bytes) () 11/15/2015 postreply 06:39:35

你的情况如果是injector leaking,热车启动越给油淹的越厉害,等的时间要更长。 -5W40- 给 5W40 发送悄悄话 5W40 的博客首页 (53 bytes) () 11/15/2015 postreply 09:31:03

是根本不着还是稳不住。 -周老大- 给 周老大 发送悄悄话 周老大 的博客首页 (0 bytes) () 11/15/2015 postreply 18:23:19

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