So, I was getting this weird bog when taking off in any gear. Sometimes, when warm, it would bog up and you could smell fuel like it was too much.
I went and got a good used AFM. I installed it and it fired right up and honestly, was MUCH better on acceleration and even showed better MPGs based on the meter on the dash.
One difference and maybe note worthy was that when I would down shift, blipping the throttle would work when before with the old AFM, it did not.
Thing runs like a scalded dog at first and down the freeway great!
Then it warms up a tad and when I get to a light, she starts acting like she is bogging down and loading up. I will accelerate or add RPMs and she is burbing and blowing a lot of black or seems to be really rich. Once she cools down, she is fine again.
The ICV has been replaced, the new (used off a running car) AFM and only thing not stock is that the canister is vented open from the tank as opposed to the throttle body. The valve cover vent tube is removed and open and the inlet on the throttle body is capped. These last two things done by the previous owner.
Has new plugs, recent wires.
The AFM did have the adjustment screw plug off. I turned it in full and was three turns out. I put it back to the same setup and still persists.
I do not think it is a vacuum leak, but will try that. I would think a vacuum leak would show itself immediately. It wouldn't eventually clean out after throttle input.
Just trying to track this down because when it is running fine, it is a killer. She runs great!!!
Maybe I am too far out on the adjustment screw? Maybe it needs that connection to the valve cover? Could the hose to the canister from the tank be clogged or not allowing breathing out? Cap on the tank doesn't have pressure when running...
I went and got a good used AFM. I installed it and it fired right up and honestly, was MUCH better on acceleration and even showed better MPGs based on the meter on the dash.
One difference and maybe note worthy was that when I would down shift, blipping the throttle would work when before with the old AFM, it did not.
Thing runs like a scalded dog at first and down the freeway great!
Then it warms up a tad and when I get to a light, she starts acting like she is bogging down and loading up. I will accelerate or add RPMs and she is burbing and blowing a lot of black or seems to be really rich. Once she cools down, she is fine again.
The ICV has been replaced, the new (used off a running car) AFM and only thing not stock is that the canister is vented open from the tank as opposed to the throttle body. The valve cover vent tube is removed and open and the inlet on the throttle body is capped. These last two things done by the previous owner.
Has new plugs, recent wires.
The AFM did have the adjustment screw plug off. I turned it in full and was three turns out. I put it back to the same setup and still persists.
I do not think it is a vacuum leak, but will try that. I would think a vacuum leak would show itself immediately. It wouldn't eventually clean out after throttle input.
Just trying to track this down because when it is running fine, it is a killer. She runs great!!!
Maybe I am too far out on the adjustment screw? Maybe it needs that connection to the valve cover? Could the hose to the canister from the tank be clogged or not allowing breathing out? Cap on the tank doesn't have pressure when running...
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