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Old 05-03-2015, 04:59 PM   #4 (permalink)
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Join Date: Dec 2012
Location: Johnston County, NC
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Big Blazin' - '88 Chevrolet K5 Blazer Silverado
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I have had a similar problem in my Escort. What I was told by one of the respected members at TeamZX2 was it is a vacuum leak. A bad MAF/MAP would cause + fuel trims. A vacuum leak causes - fuel trims. I think it is related to the EVAP on mine, or PCV lines. I know you have a Honda, but these are worth a shot considering our issues are similar.

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Past threads:
ZX2 modding thread
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ZX2 Aerodynamics: Shooting for 0.15 Cd
ZX2 coast-down testing for Cd & Crr
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