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1979-1993 & 94 Conv [Subscribe to Daily Digest] |
You might try these.
1)Reset the base idle per Saabnet FAQ. Your idle switch may have loosened.
2) Also reclean throttle body and scrub the area where the butterfly closes.
3)Check hoses to and from AIC for collapse under vacuum. If so, replace with stiffer hoses or put springs inside the hoses to prevent collapse.
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