MAF vs. MAP posted by pionkej on January 29, 2007 at 07:36 PM
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expert on air/fuel management systems? If you think a M AP system is not accurate I have a specific example that demonstrates how well it is with the AEM. I was at dyno tuning shop watching one of those so called dyno queen Supra with the AEM. A boost hose malfunction causing the turbo boost to spike from 30 psi to 40 psi in an instant. Luckily C16 fuel was being use. The wide band air fuel ratio barely wavered from the target a/f ratio map by the boost spike .