Thread: Ecu
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Old 29-05-2017, 04:27 PM   #5
Dr Terry
FF.Com.Au Hardcore
Join Date: Jan 2011
Posts: 589
Default Re: Ecu

Originally Posted by snap0964 View Post
The EF idle driver is a common fail. Without the idle speed controller receiving signal from the ECU, they'll be no RPM pickup for all the various loads - normally with the car running, if you disconnect the plug from the ISC, the car should stall.
Not quite, I've found that if you unplug the ISC, the revs should drop from 700 to around 600 at a warm idle in neutral & no A/C etc. If it stalls, then the throttle body needs a good clean or the base idle stop has been set too low.

Dr Terry
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