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Performance exhaust, throttle body spacers, fuel trims
Can anybody offer input or theory on vehicles with "performance" items like throttle body spacers and performance mufflers? I have a truck in the shop running about 5% fuel trims on both banks at idle and 8% or so cruising. It came in for very poor drive-abili... Login to read more. ![]()
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16 Replies Received
16 Replies Received