I'm not sure what the spec is on GM, but on Ford, they do not use the MAF for TCC lockup modulation. Ford also did not continue use of a MAP sensor. They are looking for TP voltage to drop below 1.2 volts or go above 3 volts or a high signal from the brake circuit. GM should be somewhat similar. This is a fairly common complaint on GM vehicles. Many times it turns out to be a problem with the TCC solenoid. To be sure, there is only one sure way to solve it, and that is diagnosis BEFORE throwing parts at it. A good live reading scan tool can be a good friend for this problem.
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Today's Featured Article - Bad Vibes - by Curtis Von Fange. One of the strangest ways to communicate with our tractor is to ask it how it feels. "Ask it how it feels," you say? Yup, ask it how it feels. Now, as with the other articles in this series one has to be able to hear what 'ole blue' is trying to say in response. The nice thing about our old iron friends is that they are usually quite consistent in their response, rather unlike some people I know who might change what they say due to the weather or other mitigating circumstances. But since t
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