First off let me start off by saying I have a 06 auto TC with a ZPI stage 1 turbo kit.
The kit uses a set of 550cc injectors and a AEM F/IC. I have been tuned for about a month and a half.

Well I was pulling some interior parts out to paint them. I was in the process of pulling out the part that surround the shifter so enable to get it out I had the key on with the car in neutral and the E-brake on tho get clearence for the part to come out.
Anyways I was just about done getting it out and I herd it!
There was a pop noises that come from the engine bay!! I immedatily got out turn the key off and pop the hood. I didnt see anything the was broke or cracked.

So I went to start the car and the car would start and reve up to about 3500rpms and shut off!! So i went to start it again and this time I had to use the gas pedal to get it to run without stalling. The car was running pretty rough and the pedel response was messed up. The car wont reve past 4500rpms and it was missfiring! So with the help from my dad I got the thrmo gun out and seen the cylinder 1 was running about 60-80 degrees colder than the rest.

So we though that mabey some how when it backfired it bent a valve or something. So we pulled the valve cover out and everything looked fine. So than we thought mabey the injector was bad so we went ahead and switch the injector with the one in cylinder 2. after putting it back together and starting it there was still a problem with the engine and cylinder 1 running colder than the rest. So the next thing we did was a compresson check on all the cylinder and they were all about 185-190 psi. Then we though mabey it was eletrical so we switch out the coil with the one in clyinder 2 but it made no difference!
I reset the stock ECU but no success at all!!!!!!!!!
What could be my problem? Could it still be something internal?

Thanks for any info you guys can give in advance hoprfull we can figure out whats wrong!!
Thanks for your guys time,
Chris

 

check the pipes check the vac lines, sounds like one of the lines/pipes popped out.

i have no idea what it is. i've never heard of this before.

 

1. check your vac line going from the back of your engine to the intake manifold. if it's not that, recheck all your vac lines.

2. check your fuses in the fuse box under the hood

 

The engine was actually running? Or the ignition was just in the ON position?

 

The engine was not running just sitting there with the ignition on

 

I would guess and say its something electrical. Maybe you blew a relay, or a fuse. You check any of them under the hood? What were you doing right when you heard the pop? You were just pulling up the plastic trim?

 

Did you accidentally ground your cigarette lighter? Check ALL your fuses.....disconnect the battery.......wait a bit....and then reconnect and see what you get.

 

And by the way.....you should always disconnect the battery when doing work like that.

 

check the fuses and relays of what I could everything was ok with them

 

Relays can be a little tricky to check sometimes. They may look ok, but they might not be ok on the inside. I would really try and find out what codes are being thrown and go from there.

 

sounds like the "boom" problem java and ace were having with teh vac line by the throttle body popping off...

 

yeah i was the first to have that problem (and still do). i suggested you check the vac line between your valve cover and your intake manifold; that's the first place i'd look because if that hose is popped off, you will NOT idle unless you give the car gas constantly.

 

the first thing that popped into my head when i read it was MAF. check if the MAF is blown. also check the vac lines and the fuses too. it doesnt hurt to go the extra mile to check stuff out. good luck.

 

Yea Ive had my MAF go bad once, and it was the same symptoms. Wouldnt run unless you were giving it gas.