Quote:
Originally Posted by NoDOHC
Hopping is common around that speed, the stock ECU advances the timing quite a bit at 1200 rpm. Try adjusting the idle down to 750 rpm. It could be the TPS, but it is not uncommon for a properly tuned car to hunt if the idle speed is set too high.
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...NoDOHC thanks for your feedback always a pleasure to hear from you....the BAC is bad i believe, the plunger is not moving...just tested it..the BAC was not plugged in either at the time and i tried it plugged up and not plugged up same rpm hunting...waiting to get the block off plates and gaskets now.