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1992
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Allante F7/ME9
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Engine Controls - Self-Diagnostics
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Diagnostic Tests
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Pcm DTC EO98: P/N To D/R In ISC Range Problem
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Action
Pcm DTC EO98: P/N To D/R In ISC Range Problem: Action
Retard ignition timing, set code. No Service telltale.
NOTE:
For diagnostic flow chart, see
Fig 1
. For circuit identification, see
Figure
.
Fig 1: PCM DTC EO98: P/N To D/R In ISC Range Problem Flow Chart
Courtesy of GENERAL MOTORS CORP.