Perhaps putting a scanner on it might shed some light. It sounds feasible that you are dealing with a fault only "visible" after entering closed loop engine control. (ie., oxygen sensor comes to mind as one possibility.) Or it could be caused by something as simple as a dirty…
Read the full replyI have a '95 Buick Lesabre 3.8 that I am trying to figure out. After starting, tt runs great for one minute, and then it stutters upon acceleration once it warms up a very short time. I replaced the fuel filter. I am not sure about the fuel pump yet.
Does anyone know how to disable the automatic choke to try to eliminate that one thing?
Thanks for any tips!
- Daniel
Well, there's no choke on anything made in the last 15 years or so..
what the hell is a choke?
I dunno .. doesn't the IAC motor act as a choke .. sorta?
As pointed out, there is no autochoke. Do the usual: clean, inspect, test: MAF MAT IAC TPS EGR O2 sensors throttle body flapper air intake hose after MAF
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