Rich on 2 cylinders

[Hubbell91Tsi]

I changed my wires and my o2 senor yesterday. Well, i went to start the car and it sounded like ass and i couldnt drive it. Well today i pulled the plugs out and 2 looked normal and 2 were just drenched in fuel and the top of the piston has a lot of fuel on it.

Anyone have any information that would be awesome.

Right now the car is back to stock.



Thanks Chase

 

[mrTalonAWD95]

are they pistons 1 and 2? according to vfaq, cyls 1 and 2 run a tad rich, 3 about right, and 4 a bit lean. its because of the inefficient design of the fuel system. this could be the case, or maybe your plugs should be gapped a bit better or changed to a hotter (?) range.

also clean your injectors, they might be sticking.

 

[Hubbell91Tsi]

cylinders 1 and 2 are super rich. 3 and 4 are lean. im leaning more towards a bad ptu.

 

[Hubbell91Tsi]

im getting spark to all cylinders and fuel to all cylindering. and i checked timing and its dead on...

idk wtf is going on, it has to be ecu or ptu.

 

[jeffo]

It sounds to me like you just got 2 of the spark plug wires switched. Have you compared them to the numbering on the coilpack? Cylinders 1 & 2 have nothing in common. What brand wires?

 

[Hubbell91Tsi]

NGK, and yes it was cylinders 1 and 2.

 

[mrTalonAWD95]

SteveTek Labs Research: High Flow Fuel Delivery System

this is what i was talking about earlier. but check out your wires like mentioned.

 

[Hubbell91Tsi]

wires are fine. i put stock wires on it same bulll shit. Now im only getting fuel to #1 cylinder.

Last night i took out the injectors and they all seemed to spray just fine....

I did a compression test
140 140 140 120(idk why)

I guess i will be pulling the head tomorrow.