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Re: LH2.2?
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Posted by kenS [Email] (#606) [Profile/Gallery] (more from kenS) on Tue, 7 Apr 2015 17:57:37 Share Post by Email
In Reply to: Open/Closed loop and ECU questions, JamieP, Tue, 7 Apr 2015 16:00:21
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does the '88 have LH2.2 or 2.4? With 2.2 it will be in closed loop (O2 sensor cycling) except for when you trip the throttle switch into WOT. So on a wideband O2 it will show an AFR cycling around 14.7 under almost all highway driving conditions. I have a '87 (LH2.2), with a wideband sensor, and it shows an AFR cycling 14-16. What do you see when you go WOT? Also, I think the stock AMM runs out of range pretty quickly, it just puts out a max voltage anywhere above 4k rpm's...
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