North American Turbocoupe Organization

Remove BCS gets a Check Engine Light?
Kev Offline
Posting Freak
I have a manual boost controller on my 88 5spd. The stock BCS vacuum lines have been disconnected for years, but the old BCS is still plugged into the wiring. Can I remove the old BCS altogether, or will it throw a CEL?
1988 TC 5spd

Jeff K Offline
TO keep the PCM code free, either leave the BCS electrically connected, or (a better way, IMO) get a 100 ohm 1 Watt resistor and connect it across the BCS electrical connector. I have had mine set up this way for 15 years. Just removing the BCS will set a code 81, but I dont remember for sure if that code turns on the CEL or not.
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized

BJL Offline
No cel. Just a koeo self test code
Brian Larkin
88TC 330,000 miles
Slightly Modified

Flacoguy Offline
Junior Member
Looking to buy a bcs

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