Just curious - How does the ECU decied to go into closed loop?
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Joined: May 2002
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From: San Jose, CA, USA
Just curious - How does the ECU decied to go into closed loop?
The topic says it...
Is it throttle position? Or when it reaches a certain vacuum level?
Just was wondering as I drove down the road today looking at my vacuum gauge and A/F gauge.
Is it throttle position? Or when it reaches a certain vacuum level?
Just was wondering as I drove down the road today looking at my vacuum gauge and A/F gauge.
Joined: Mar 2002
Posts: 799
Likes: 0
From: San Diego, CA
Re: Just curious - How does the ECU decied to go into closed loop? (FMXer)
The ecu goes into closed loop when certain perameters are met.
Coolant temp. The car must be warm.
O2 senosor heaters. O2 sensor must be correct operating temp.
TPS. When you floor it, it goes into open loop.
There are a couple others, I cant remember now.
Coolant temp. The car must be warm.
O2 senosor heaters. O2 sensor must be correct operating temp.
TPS. When you floor it, it goes into open loop.
There are a couple others, I cant remember now.
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