Hey guys, randomly my car wont start 2 minutes after I shut it off. It turns and turns but just doesnt fire up. Its not like when I had a blown headgasket and the plugs where wet, but I just dont get it. It happens randomly, is my fuel pump not priming prooerly? is it colder plugs in cold weather?

Anyway, if I just leave it for 5 minutes when it does this, it usually fires up but just random and curious

 

I have the same problem sometimes I will come to a light and it will just shut off and doesn't wanna turn on again and I wait a about 20 seconds it's starts up fine. Really weird .

 

Wasn't there a post about this in the summer with ID1000s and aem ems causing the "whooomp" noise. The injectors fire for a split second when the aem ems is turned on and spits fuel into the engine flooding it. I know my car randomly does this and has trouble firing afterwards also.

 

That is an issue in that the AEM EMS ignition controller is software driven and briefly starts up for a second when powered on. Thats not his issue. My ID2000s don't cause me any problems.

 

[QUOTE=JoeyBalls,Feb 1 2011, 06:54 AM] Hey guys, randomly my car wont start 2 minutes after I shut it off.

 

do you give the aem a few seconds to load and wait for the pump to prime before you try turning it over? I always waited about 10 seconds after turner the key to ON position and it helps with the aem startup.

 

^yea, I do wait for it to prime and like someone said above, it does go "whooomp"

Ok, so its the AEM Series 2 issue huh, or ID10000s?

Im just glad its not my motor


F--- annoying though

D1sclaimer

Always starts fine when cold. Its when I start it up after its already warmed up, like after getting gas (doesnt happen ll the time, just random)

 

What are your coolant temps when you try to restart it? Try logging that next time it happens.

I wonder if it could also be leaky injectors leaking fuel into the engine when you turn it off when they're at operating fuel pressure. That would flood it. Next time it happens, try starting it with the gas pedal to the floor.

 

ok will do, I did try that last night and it didnt seem to help

Water Temps were lower 190s at the highest last night, mayb 195F max at idle (in traffic)

 

Wasn’t there a symptom like this with the old 1012ems with the coil driver. Something about a weak signal to the cam sensor. Seems like these symptoms still happen on the 1052 and maybe the Series 2? Cam sensor going bad maybe?