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Open loop

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(@chixfly)
Posts: 1
New Member
Topic starter
 

Can someone please tell me what this means?
'Open loop due to insufficient engine temperature"
Its the error im getting. Id like to know more about it before i take it in for service. I have a 2007 Jeeo Laredo

 
Posted : 24/06/2018 10:28 am
(@capp777)
Posts: 2999
Famed Member
 

IMHO Open loop message means the fuel/air ratio
is not being controlled by your O2 sensors
because of your low engine temperature.

What does your engine coolant sensor
report? Is it faulty?

Low coolant level? Air bubble trapped where
sensor is installed?

Thermostat stuck open or missing?

Extremely cold environmental conditions?

Your PCM monitors the ECT sensor to measure how
long it takes it to reach the temperature necessary
for closed-loop operation within a predetermined time.

Have you searched the DTC definition using
Torque Pro's search feature?

As always I could be wrong.

 
Posted : 24/06/2018 12:38 pm
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