It's a 1994. posted by Woody75 (Denver) on May 01, 2012 at 12:59 PM
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I know it takes time to do this physically, but it may be the only way to do it right. Some units share wires like the Temp sensor and TPS. In addition it can also be an injector flow or spray pattern. when you did the balance test did you leave the cylinder off long enough to monitor if the stumbling stops?