1986.5 Nissian Kingcab with a 3.0 VG30i Cutting out issue

[Docroth]

Hello all

This truck was purchased with a blown head gasket. everything ws taken apart and labeled. Head gaskets were replaced, and the truck starts and runs wll, but I have missed somthing. As I rev the motor slowly with no load it cuts out about 2500 rpm. It then comes back on and repeats this over and over. If I rev the motor fast. I get the same result, only quicker. I know I have hoocked somthing up wrong, or have a broken wire, as this ran fine prior to my work.

Have any of you see this? Is this a vacum issue? or Fuel injection issue?

Is it possible to install the MAF backwards. I did not mark it and thinking back looks like I would install it backards.

I am also looking for a good Vacum diagram. Any thought or help would be great. this is my daughters pickup, and my gargage is being help hostage.

Thanks Doc

[Docroth]

Dose anyone have any thoughts on this? I figured all of you would jump all over this. Am I in the wrong Forum? Please direct me.

Thanks Doc

[pejsa s-13]

well i say go with your gut and try turning the maf the other way

did you mess with the timing at all?

[Rev_D21]

I was going to suggest that timing might have something to do with this. Sounds like the ignition might not be advancing far enough off idle.

[Docroth]

Ok so the MAF sensor is installed properly, but I think I may have some vacum lines screwed up. Can anyone ponit me at any online Diagrams.

thanks again for your help.

Doc

[seang]

Can anyone ponit me at any online Diagrams.

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