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Re: 1987 GMC Jimmy- DTC 32
Posted to Technical Discussion Forum on 1/22/2001 2 Replies

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Hello Scott, you did not mention if the EGR valve itself was ethier a negative or a positive backpressure sensing EGR valve. The part# will have a "N" or "P" stamped on it. Most of ones we see on TBI ... Login to read more.

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