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Discussion Starter · #1 ·
Hello,

My s60r had the coil packs and spark plugs replaced last year, the car starts and idles for roughly 10 seconds at 1500 rpm.

It will then have a normal idle at 800-1k, then boost up to 1500-1700rpm for 7 seconds and plummet back to 800 for 2-3 seconds. It will continue to repeat this process. I have noticed a drop in highway mph from 30-31 to 23-24 as well since these issues started.

Any ideas?
 

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Do you have VIDA/DICE?
 

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Fuel pressure sensor
 

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Get the car scanned
 

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Discussion Starter · #6 ·
Fuel Pressure Señsor FIXED THE SURGING IDLE

Just thought I would update for others using the search function with this same question.

Good luck!
 
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