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I have had the timing belt and water pump replaced at 100K and 230K. The car set for 6 months the power steering line burst and I was waiting for my Mechanic friend to recover from an illness (non Covid) before I gave it to him to fix.
Before it sat it did not have this idle problem, I took it to him with the funky idle and he replaced the idle control sensor at the same time. He let it run for a few hours, then called me to come and get it. After I had it a few hours and started driving it at highway speed, this emerged. Not quite the same as it did when I took it to him, it was revving from 1k to 3k when I took it to him. Now it is surging 1k to 1.5k.
All the stuff I read here Eric insisted idle problems are related to air in the cooling system, so I bought a no spill funnel system per Eric’s video, and burped it 2 days in a row until I got all the air out.
I have replaced the throttle control sensor the map sensor and the idle control sensor and the throttle body snorkel as well (it had a crack in it). The next two things on order are an upstream o2 sensor and a vss sensor. I am at a total loss, any help will be very helpful. Thanks one and all!
here is the link to check it out.
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