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PO420 GM 5.0 G vans
My shop services a 21 truck fleet which includes '98 to '02 G2500 vans. Two vans '98 and '02 have been presenting this code Catalist efficincy 8K to 21K intervals for about the past 25K miles. The '98 had the converter replaced at 147K for this code successful... Login to read more. ![]()
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4 Replies Received
4 Replies Received