My $59 problems/tuning a turbo camaro

[fasteddi]

With that said is it supposed to anything if not commanded to? Does it give power when commanded to open wastegate? If so there would be no power key on or at idle, only when commannded to during boost. What does that table say?

What did F2 do before on your wiring diagrams? Looking at other diagrams for soliniod it has power going in and ECM is ground, other soliniods have power, ground and a wire into ECM.

The table is set at 40-60 duty cycle for wastgate opperations(desired boost it at 10Psi), F2 worked the air diverter valve(for the $59 mask it works the boost solenoid). I wired it as the pcm was the 12vts and the ground..was ground. Im hoping thats my problem. Never did I read voltage out of the ecm pin F2. Ill read more but Im hoping that its just a simple mess up my wiring and understanding of the outputs on the ecm

[EagleMark]

and there's your sign!

[fasteddi]

I dont get the diagram..... No F2

[gregs78cam]

I think the point of the diagram is 12V+ to pin A, and the ECM modulates the ground on pin B

[EagleMark]

I dont get the diagram..... No F2

Greg got the point. I got the wrong diagram, I thought you had a 1227730, this came from that thread but may be 1227727? Same ECM, one weatherproof underhood, differant plugs on ECM...

[EagleMark]

OK found one with F2 to air diverter soliniod, it has power going in so ECM must be ground... same as above soliniod works...

[Six_Shooter]

Go to the wreckers and look at mid '80s to mid '90s GM cars and trucks for the EGR solenoid that looks like the solenoid I posted above. Grab it and the plug. The ECM pin is the same one that the '7749 uses, which I don't recall the pin off hand. The solenoid is simply wired on one side to 12V ignition, the other side to the ECM pin.

I posted this in both the thread on TGO and here.

[fasteddi]

Sorry im somewhat dumb at times! Thanks for the information and it makes perfect sence now!! Ill get that wired up RIGHT the next time i have free time. And alot the wastegate hose routing.

[EagleMark]

Don't be so hard on yourself! You know how many hours it took to get a service engine soon light to work wired from ECM to light to ground? Same scenario ECM was ground not power...

[fasteddi]

The funny thing is that I answered my own problem way before I posted my questions. Sometimes I doubt my ideas. But hopefully later today Ill get the time to re-wire the solenoid and see if it works right.

[fasteddi]

Now im dealing with 18* of knock retard when the car is reved to 1800rpms+. The silenoid works great and holds boost at its command, but now ive got something giving me false knock, have no clue what it can be as there is so much stuff to cause it. I know its FALSE forsure!!! I even took out the solenoid and such to make sure that wasnt setting it off. Im going to play with it later after work and see if I can get it figured out! Noisey lifters, injectors, or anything else?? Man this is gonna be a PITA getting this figured out!

Since i took out the ecm connector so many times Ill also look at the F9 pin as thats the knock/detination pin.....

[EagleMark]

Kind of strange you just all of a sudden got 18 degrees retard? Rethink what you have done since just a little bit ago all you got was 1 degree... vacuum lines to new solinoid interfere with MAP reading? Power to soliniod from where? You've done a lot of work check ECM grounds...

Since you were operating accuratly it seems, then all of a sudden got 18 retard, what moved, is anything now hitting? False knock has been found in lifters yes, in exhasut pipes loose, in exhaust pipe hitting frame under toruque, since your getting it at 1800 I'm guessing motor torquing and something with all new exhaust is tapping frame or?

I even read on ThirdGen I guy got false knock from as far away as rear suspension bushing under load. Rock crawlers need to be tuned then knock turned off because when the frame or rock slider hits a rock it senses knock and retards...

[fasteddi]

Kind of strange you just all of a sudden got 18 degrees retard? Rethink what you have done since just a little bit ago all you got was 1 degree... vacuum lines to new solinoid interfere with MAP reading? Power to soliniod from where? You've done a lot of work check ECM grounds...

Since you were operating accuratly it seems, then all of a sudden got 18 retard, what moved, is anything now hitting? False knock has been found in lifters yes, in exhasut pipes loose, in exhaust pipe hitting frame under toruque, since your getting it at 1800 I'm guessing motor torquing and something with all new exhaust is tapping frame or?

I even read on ThirdGen I guy got false knock from as far away as rear suspension bushing under load. Rock crawlers need to be tuned then knock turned off because when the frame or rock slider hits a rock it senses knock and retards...

Ok it was my fault that the knock was false, the memcal adapter was not seated in all the way(probly from me moving everything yesterday) But is good to go now. I also logged some data, when I was really getting on the car, to make sure the boost solenoid works as its commanded to.

I attatched a excel file if you wana take a peak and see it. I need to work on fueling at Higher PSI/KPA since I made it a little too rich. But this car is fast! WOW is all I can say. 140 stock hp..LOL more like 250 now!

[fasteddi]

This look any better??? good afr no knock. about 16-19 timing through out boost. 11.32psi/11.7 afr held steady

http://www.youtube.com/watch?v=TxAL0VXkG6c

Let me know if im on my way. But up to 95mph in about 14 or 15 seconds is definitly fun. This car is just a big toy now. I cant wait for the race track so I dont have to look for a flat road with no houses on it....

[EagleMark]

Your having way to much fun...