We are talking here about the Direct Injectors, there are no aftermarket direct injectors. The aftermarket injectors people swap out are the Port Injectors.

If it were the Port Injectors, this would not be a big deal, since they are extremely easy to replace and are very common. The issue here is the DI are harder to reach and different than the regular injectors we see on every car, so the install procedure is different too.

Thanks, in the meantime, can you confirm the above post are the steps things happened if you remember? Or if you can provide more details? Again just trying to figure out if I have the problem before using the car again.

1) got on the Dyno, were running lean, got helped with fuel pump install,

no. i was running AFR 11.2 at 7 psi. i was perfect

2) got the fuel pump install sorted out

we increase the psi to 12 and than the fuel pump was by passing the tank, so we remove the pump and the pump waas loose, it wasnt installed correctly

3) still was running lean?

im running lean at higer rpms

My mistake I thought it was the port injectors.

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but what im really wondering is that if i had a bad injector seal that means i would have a misfire and a CEL will come showing code p0301 but no its showing other code

@King Tut and @Pure Automotive

we all have the same kit. had u guys had this problem

That's interesting. I had a million issues with Fuel Pump install. The last one was running lean at higher RPM's. BUT, I removed the Fuel Pump, installed with two extra O rings about 3 weeks ago, and since then have had zero issues. I have been staying at 11's to 12's AFR WOT at high RPM's

we did the same thing with @Visconti last night

Just found this info online

Moron statement...

EDITED

yes it was showing lean at higher rpms

I'm sorry, I brainfarted. One thing does not have to do with the other. What I was trying to say is that if your Gauge is also showing lean, you could rule out your O2 sensor being bad.

You said you did not go into boost, so that means you guys kept the wastegate open as to not build boost when trying to see if you were going lean?

I was throwing a P219A (Bank 1 A/F Ratio Imbalance) on an A00C ROM but no CEL or power loss. Stock fuel pump and injectors. No issues at all on another A01C ROM so I perhaps it had to do with a different problem specific with the A00Cs?

Haven't seen any codes for a long time so I'm guessing I won't start worrying till I see more. This sort of stuff has me eternally vigilant.

Edit: OH, I did throw a P0301 variant during my VVTI assembly failure event during a massive idle stall/shudder. Haven't seen it since those issues cleared, but again, eternal vigilance will be the key. The CEL/SL position on the dash is in my peripheral vision at all times.

Now I want to check the plugs..

i just notice that one side of my MBC is loose no zip tie or clamp.

could this be the problem?

it says that it can be a vacuum leak