what pcm do i use for a 3400 - Third Generation Forum

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what pcm do i use for a 3400
Wednesday, March 19, 2008 8:49 PM
im going to get a 3400 out of a 2000 impala as of righ now i know i need the3400 wiring harness differant top and bottom mounts witch i got to make what else do i need i got a 98 sunfire 2.2 ohv 5 speed and a stage 2 clutch and what pcm do i use

Re: what pcm do i use for a 3400
Wednesday, March 19, 2008 8:53 PM
If you can get one for that engine, that would be best.

IIRC, in 2000, they changed the injector poundage. I had a 99 PCM on a 2001 engine (tuned to 2001 injectors) and it ran like poo.

Swapped to a 2001 PCM and smoothed out nicely.









Re: what pcm do i use for a 3400
Wednesday, March 19, 2008 8:55 PM
a 2001 sunfire 2.2 ohv pcm and yeah i can get the engine and harness for 650
Re: what pcm do i use for a 3400
Wednesday, March 19, 2008 8:58 PM
You will need the 3400 PCM.









Re: what pcm do i use for a 3400
Wednesday, March 19, 2008 9:11 PM
ok and is that going to be it and i need it to get tuned with hptuners cause thats all i have access to
Re: what pcm do i use for a 3400
Wednesday, March 19, 2008 9:24 PM
http://www.j-body.org/forums/read.php?f=30&i=40670&t=40670

Quote:

If you are using ODB II electronics and a manual transmission, you must modify the wiring harness to remove some of the automatic transmission plugs, and have the automatic transmission codes deleted from the ECM.










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