Date: Wed, 24 Mar 1999 10:18:56 -0800 From: Justin VanAbrahams <jvanabranopsamel.net> Subject: Re: Misfire on '87 900 Turbo 16V S
Charles H. Stoyer wrote: > > I suspect bad plug wires or other ignition component. At full charge, > you really tax the ignition system. > > Charles. > > John G. Price wrote in message <36f7fe39.0nopsam.thefree.net>... > >I have a slightly tweaked 900 Turbo 16 valve, It performs very well except > >when accellerating hard all is ok until the Turbo ( APC ) Gauge needle goes > >into the red when it misfires, no other problems, immediately I cut back on > >the throttle is stops missing! Any ideas please? I have checked all vacuum > >hoses, spark plugs are new, all the obvious things checked You are hitting the fuel cutoff. At ~15psi, a device under the dashboard shorts power to the fuel pump. You can bypass it by locating it under the dashboard (near the driver's left knee) and disconnecting the two wires from the cutoff switch and shorting them together. Be sure you get the cutoff device and not the pressure transfucer - they look similar; both with two wires and a vacuum connection. -Justin
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