Checked the intake air temp sensor readings? My car has similar issues a few times in the past, the first time was the sensor itself, subsequent times the sensor's ground wire had a break in it. When it happened the air temp would go to 100, felt like you'd stomped on the brakes. Steve
On Mon, Aug 2, 2010 at 11:14 PM, Robert M <[email protected]> wrote: > 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! > > _______________________________________________ > Miatapower mailing list > [email protected] > http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower > >
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