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Manifold Absolute Pressure sensor. A sensor used to meter air flow into the intake indirectly by measuring plenum pressure. This sensor is not as pre...
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Re: tuning questions

Subject: Re: tuning questions
by bam on 2013/5/15 16:14:32

Quote:

djxib wrote:


Great question. I did it initially so I could get a true read on the AFR at idle and part throttle cruise (i.e. without the ECM screwing with BLMs). However, when I started testing I realized that the driveability was so much better so I decided to keep it permanent.

Do you mean the BLM's were all over the place so you could not get a clear reading on actual A/F as a basis to start changing the VE table?
How did you set the prom to stay in OL move the temp up where CL kicks in so that the 02's would never come on?
Your wide band 02 is in only one side right? Or do you have two wide band 02's one in each bank of the exhaust, if not then how do you tune the "other" side? Or do you just figure it's not really a problem having one fueling for both banks?
How exactly do you tune your car in constant OL? Do you take the readings of your wide band combined with rpm, KPa data from data master and use that to adjust for lean/rich conditions? How do you know how much to adjust the VE numbers if your data comes from the WB 02?
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