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Old 07-29-2009, 09:10 PM
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Originally Posted by T-bucket23
Yup, I agree. We had a rash of cars with altitude sensing issues a little while back and the main symptom was pinging.
I also saw a rash of aftermarket MAP sensors on GM throttle body equipped vehicles. The factory vacuum port is a ported source, and the aftermarket replacements required a manifold vacuum source.

The biggest complaint was for pinging.

I just haven't seen many throttle body equipped vehicles the last 4 years, and I have only one customer that still has one.
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