C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

1990 esc problem

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Old May 20, 2009 | 10:51 PM
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trader vic
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8th Gear
 
Joined: May 2009
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From: Ladner British Columbia
Default 1990 esc problem

with codes clear the minute i start the car it shows a code 43 does the esc or ecm detirmin the voltage delivered to the knock sensor
what range should the voltage be i have read 5.5 mine has 12 volts the only way i can drive the car is in open loop with with the wire from the new ignition module to the esc disconected along with the ox and knock sensor and the timing bumped up to 10 degree
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