Possible. I've installed new plugs and wires quite recently but can't remember if it was before or after. I'll have a go in a bit.
Subject: RE: 94 FMII Cutting out at high boost/rpm Date: Mon, 2 Aug 2010 17:05:21 -0600 From: [email protected] To: [email protected]; [email protected] Something simple like bad plugs, too large gap or bad wires? Everybody goes for the ecu first.... Bill Cardell TurboDog's Dad www.flyinmiata.com www.fmwestfield.com Sales 1-800-359-6957 Tech 970-464-5600 Before you call, check out http://www.flyinmiata.com/FAQ/ From: [email protected] [mailto:[email protected]] On Behalf Of Robert M Sent: Monday, August 02, 2010 4:14 PM To: [email protected] Subject: 94 FMII Cutting out at high boost/rpm Greets! My 94 FMII car (installed circa 2000, RC550's, 12psi, BBBT, original fuel pump) is cutting out under high boost/high rpm conditions. I sent a datalog to FM and Jeremy replied, "Your ATS & CTS look fine. You've got plenty of injector on-time. So, if you're leaning out I'd have a look at your fuel pressure to see if your pump is bad or filter is clogged. Should be running around 35 psi at idle & around 45 psi if you pop the vacuum hose off the regulator. In boost it raises pressure 1:1. " I finally checked the pressure today and got 35 idle/44-ish with the vac source removed. Max pressure (checked with the fuel line output blocked) was ~77psi. I did notice that the behavior doesn't start immediately, but rather appears once the car is good and warmed up. What's the next step? I probably am due for a filter, but it seems somewhat unlikely that I'd get good numbers in the garage with a clogged filter, no? All input welcome- thanks in advance!
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