383 a/i lt1
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Joined: Jun 2010
Posts: 13
Registered User
Joined: May 2002
Posts: 1,025
From: Saskatchewan, Canada
Maybe its the NGK 8s giving you the problem? What are they gapped at? I had a similar problem and it turned out to be the brand new plug wires I installed (they were garbage).
Throwing $ at the car sucks but I would try a new set of Taylor OTV wires and some NGK TR6 plugs gapped at .035 .
Throwing $ at the car sucks but I would try a new set of Taylor OTV wires and some NGK TR6 plugs gapped at .035 .
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Joined: Nov 1998
Posts: 71,094
From: Hell was full so they sent me to NJ
If the optical sensor was causing problems, there would be trouble codes stored. One exception would be erratic readings from the high resolution part of the sensor - if that is erratic, the tach will start to jump around, and it may screw up the timing. As long as there's a signal, the code may not set, even if its an erratic signal.
If the high voltage section is causing the problems, there would not be any codes. But you may see the rotor loose, the rotor being pushed forward and grinding on the cap, or rubbing on the divider between the front and rear sections of the Opti, damaged contact buttons, carbon tracking, burned contacts/rotor. Check the Opti harness connector as well, for corrosion, damaged pins, or a missing clip that hold the harness on the Opti.
If the high voltage section is causing the problems, there would not be any codes. But you may see the rotor loose, the rotor being pushed forward and grinding on the cap, or rubbing on the divider between the front and rear sections of the Opti, damaged contact buttons, carbon tracking, burned contacts/rotor. Check the Opti harness connector as well, for corrosion, damaged pins, or a missing clip that hold the harness on the Opti.
Thread Starter
Registered User
Joined: Jun 2010
Posts: 13
Maybe its the NGK 8s giving you the problem? What are they gapped at? I had a similar problem and it turned out to be the brand new plug wires I installed (they were garbage).
Throwing $ at the car sucks but I would try a new set of Taylor OTV wires and some NGK TR6 plugs gapped at .035 .
Throwing $ at the car sucks but I would try a new set of Taylor OTV wires and some NGK TR6 plugs gapped at .035 .
Thread Starter
Registered User
Joined: Jun 2010
Posts: 13
If the optical sensor was causing problems, there would be trouble codes stored. One exception would be erratic readings from the high resolution part of the sensor - if that is erratic, the tach will start to jump around, and it may screw up the timing. As long as there's a signal, the code may not set, even if its an erratic signal.
If the high voltage section is causing the problems, there would not be any codes. But you may see the rotor loose, the rotor being pushed forward and grinding on the cap, or rubbing on the divider between the front and rear sections of the Opti, damaged contact buttons, carbon tracking, burned contacts/rotor. Check the Opti harness connector as well, for corrosion, damaged pins, or a missing clip that hold the harness on the Opti.
If the high voltage section is causing the problems, there would not be any codes. But you may see the rotor loose, the rotor being pushed forward and grinding on the cap, or rubbing on the divider between the front and rear sections of the Opti, damaged contact buttons, carbon tracking, burned contacts/rotor. Check the Opti harness connector as well, for corrosion, damaged pins, or a missing clip that hold the harness on the Opti.
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