SBEC tuning?

Exgmguy

Exgmguy

Club Member
Do any of our sponsors tune SBEC engines? I am having issues with my turbo 1995 Wrangler. The computer is working around the FMU and keeping the A/F stoich while under boost. I guess these Dodge/Jeep computers try to stay in closed loop almost all the time. Acceleration/enrichment mode goes into affect with quick throttle movement, and a sudden drop in manifold pressure. This works, but if I roll into the throttle it will stay at stoich with 7 psi of boost.
Are there any tricks to make the computer go into open loop earlier?
Thanks,
Rob
 
Unplug the oxygen sensor.


Exgmguy said:
Do any of our sponsors tune SBEC engines? I am having issues with my turbo 1995 Wrangler. The computer is working around the FMU and keeping the A/F stoich while under boost. I guess these Dodge/Jeep computers try to stay in closed loop almost all the time. Acceleration/enrichment mode goes into affect with quick throttle movement, and a sudden drop in manifold pressure. This works, but if I roll into the throttle it will stay at stoich with 7 psi of boost.
Are there any tricks to make the computer go into open loop earlier?
Thanks,
Rob
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