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Discussion Starter · #1 ·
hi guys


I have an idle problem. When I depress the clutch while changing gear or approaching the lights, the idle speed drops by 400 RPM and then it rolls up.
What I've done so far to fix this.

*spark plugs changed
*throttle body cleaned
*Pcv valve changed
*Throttle adaptation done 3 4 times
then i tried another throttle, still didn't work.
*maf sensor cleaned
*map sensor cleaned
*ignition coils changed

but i still have the same problem.I'm waiting for help if anyone can help thank you.
my car is european version with engine code r18a2
sorry for my bad english i use google translate :)
 

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Discussion Starter · #5 ·
It recently gave the error code p0171. I changed the fuel pump and filter.either there is a vacuum leak or there is a problem with the injectors, there is no visible or audible leak in the intake manifold, the hoses seem solid
 
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