BLMs driving me nuts

[MistaScott]

I used the MityVac and found both of the round check valves were bad and the cruise control and HVAC didn't hold vacuum. So I blocked off those hoses, reset the ECM and fired her up.

I get dream-like numbers:

MAF 6
BLM 128 give or take


Only weird thing was my IACs were sky high at about 78 when normally they are 28. Also my RPMs were rather high at idle, about 950 when normally 675.

So I proceed to drive around and she runs great. Get down the road a ways and all the sudden BLMs back to 150 pegged, smells like gas, idle back down to 28 counts, etc. WTF???

I checked the plug on my vac lines and it was still secure.

 

[BJM]

Which BLM cells do this? Just the idle cells (0 or 1) or all of them?

If its just the lower ones its probably a vacuum leak.

 

[MistaScott]

Idle cells peg at 150, it is fine with any amount of gas (120s, 130s).

I plugged the cruise and HVAC lines because they weren't holding any vacuum. Two out of three check valves are bad. Canister held vac. EGR valve held vac. I will test EGR solenoid tonight. FPR was fine.

Only thing left is PCV which I will replace when it comes in this week.