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Normally I don't stab the throttle when the engine is cold but I noticed when I do, it almost stalls. Eventually, it coughs and sputters until rpm gets up a bit and then it runs. Gradual throttle to the floor does not cause any major issues.
AMC 258, manual trans, no egr or knock, no vss.
I attached a short log to duplicate the bogging issue and an earlier log with a lot more data.
I would appreciate any feedback I can get.
Thanks!
Without looking at the logs, a bog is usually cause by a lack of fuel. You did not mention the ecm youre using so its hard to say what parameters you need to look at.
Buddrow
'7747 ASDU tuned by others.
I had a slight vacuum leak at the intake, I tightened all of the bolts, reset the idle to 450 and reset the IAC.
It was idling at 600-650 and I went out to run another log, now it idles at 750?
No error codes.
Id look at the ve tables first. Could be a fuel pressure problem as well i.e. Fuel pressure low. Im not near my laptop or Id have a look at ur logs. What are the BLM's?
I have 15 psi supply and 1 psi return.
BLM from second log.
And thanks for helping out, I am decent with computers, good with firearms and designing buildings...but suck at '7747 logic.
https://farm8.staticflickr.com/7400/...46205f32_b.jpg
Being that the truck is an I6, it probably needs more TPS & MAP AE to compensate for the longer intake manifold.