1979-1993 & 94 Conv [Subscribe to Daily Digest] |
My SPG would fluctuate its boost until I removed my EGR. But it sounds like yours is gone too (yes it's the valve under the intake manifold that has a tube surrounded by a coil, that tube snakes around the front of the engine and inserts into the exhaust manifold).
If it is miss firing then it could be electrical.
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