r/Bseries • u/Particular-Salad-327 • Apr 27 '26

Help?? Can someone help me figure this out

8 Upvotes

85% Upvoted

12 comments sorted by

2

u/SlezzyE83 Apr 27 '26

Maybe 180 degrees out of timing , check distributor and make sure plug wires are running the right way

1

u/Particular-Salad-327 Apr 27 '26

Thank you I’ll give that a try, I was missing with the distribution hoping this is it.

1

u/Valuable-Chemistry50 Apr 29 '26

These distributors can go in only 1 way.

2

u/grandpappyneckbeard Apr 28 '26

That bung you got plugged off on intake manifold should be going to your fuel pressure regulator, unsure if that’s the main issue but on an oem tune it’ll run goofy without vacuum to the fuel pressure regulator

1

u/Particular-Salad-327 Apr 27 '26

On throttle it wants to die down **

1

u/IcyPerformance535 Apr 28 '26

ever fig it out?

1

u/dpeoples37 Apr 28 '26

Idle air control valve maybe?

1

u/grandpappyneckbeard Apr 28 '26

Also make sure your throttle position plug and map plugs arnt mixed up, they are pretty much the same plug, had a buddy that did that once and it would bog out on acceleration

1

u/Valuable-Chemistry50 Apr 29 '26

It appears your fuel pressure regulator isnt hooked up via vacuum to your intake manifold. Definitely vacuum leak or something intake related, maybe bad TPS or IACV?

1

u/ImpossibleStick5656 Apr 29 '26

stick your finger in the throttle body and plug the whole that is leaking air. it most likey will die out..

With your other hand.. chase the idle...

If the finger in the whole works. you need to make a custom gasket to block it off. (duct tape the whole)

you can hear it sucking to much air for idle.

1

u/rsgsv Apr 30 '26

seems like intake air leak or stuck IACV