Running better but not the best.

[Sevy14]

So what could cause low voltage to the injector? I do have access to another ecm.

 

[XracerX]

3. First thing I did was change the MAF and pipe with Translator. Sine I did that I’m getting codes 33 and 34.

If replacing the MAF and adding a translator is causing your codes according to what you stated in your first post then the issue to look for would start there.
Did it run OK before you replaced the MAF and translator ?
Are you sure its a 3.5" and not an LT1 3" or an 85mm ?
Did you orient the MAF in the correct direction of air flow. There's an arrow on the MAF pointing the true direction of flow.

If you installed a new chip at the same time you put in the MAF as previously stated above... check for bent pins on the chip.
"Quoting TT Eric" Also, check the ECM chip socket for any pins that are bent in too far, possibly making poor contact with the chip. The ECM socket pins can be carefully bent back out with a pin or needle.

 

[THensley]

Injectors are powered with 12V. The ground side is pulsed by the ecm.

a good deal of use have a 12 volt Hotwire

 

[THensley]

If replacing the MAF and adding a translator is causing your codes according to what you stated in your first post then the issue to look for would start there.
Did it run OK before you replaced the MAF and translator ?
Are you sure its a 3.5" and not an LT1 3" or an 85mm ?
Did you orient the MAF in the correct direction of air flow. There's an arrow on the MAF pointing the true direction of flow.

If you installed a new chip at the same time you put in the MAF as previously stated above... check for bent pins on the chip.
"Quoting TT Eric" Also, check the ECM chip socket for any pins that are bent in too far, possibly making poor contact with the chip. The ECM socket pins can be carefully bent back out with a pin or needle.

I agree time to put the OE MAS back on and find some good local TURBO Buick help.

 

[Sevy14]

I wish I had help. Not many that I know of in my area of Canada.

 

[SCOOBY DOO]

I wish I had help. Not many that I know of in my area of Canada.

Where in Canada are you located?

 

[Sevy14]

Eastern Ontario

 

[THensley]

So what could cause low voltage to the injector? I do have access to another ecm.

It would be in the harness , it plugs in behind the coil with a big gray plug look there

 

[SCOOBY DOO]

Eastern Ontario

I'm in Eastern Ontario.

 

[Sevy14]

Brockville?

 

[SCOOBY DOO]

Brockville?

1 hour and 45 minutes west of you straight down the 401. My engine builder is in Montreal and my transmission builder is from parts unknown. Both are on here...and both keep a low profile...but are the best in Canada.

 

[SCOOBY DOO]

My Youtube channel is Turbobuicks 101.

 

[Sevy14]

So Belleville? And thanks I’ve watched a few of your videos.

 

[THensley]

I just dug up my old injector harness dried cracked and corroded

 

[SS/GN]

I am in the Kitchener area, still lots of Buick guys scattered around the Great white north. Welcome to the group.

 

[Sevy14]

It would be in the harness , it plugs in behind the coil with a big gray plug look there

Replaced, now runs worse. Sounds like running on 2 cylinder. Going to try ecm next.

 

[SCOOBY DOO]

Did you try the stock MAF again?

 

[SCOOBY DOO]

I believe this is the one I ran on my car. I prolly have a vid on it. It takes voltage directly from the alternator. You'll note my vids that all fuel/electrical was upgraded on my car...for a reason. Wire builds up resistance over time...and if you deny these engines fuel...then all hell breaks loose. I'm not saying this is your issue, but it would be a good idea to upgrade. Deep pockets are required for these cars...and close enuf...ain't good enuf. Jack/Racetronix is in Scarborough. Use to get my stuff from him in about 48 hours. I think his prices are still in American dollars.

G77 Fuel Injector Harness (INJ-G77): Injector Harnesses (Engine)

Purchase G77 Fuel Injector Harness or shop other Injector Harnesses (Engine) and Racetronix products.

www.racetronix.biz

 

[Chuck Leeper]

Replaced, now runs worse. Sounds like running on 2 cylinder. Going to try ecm next.

Because you have it plugged in wrong??

 

[Sevy14]

Well pretty much the harness only plugs in one way and the injectors only go on one way so I think I got that right . I used a noid light and all injector seem to be firing. Went back to the OE MAF which it ran on before still no luck. Won’t even start now.Seems like every new piece I put on makes it worse.