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Originally Posted by blinkwatt
Both codes,P1124 and P1126 both came on today on the drive to work. The car drives fine,best it has been since Iv had it. Both codes came at the same time at a stop light. A month ago I cleaned the throttle body and changed the intermediate shaft connected to it(old one had a stuck screw in it. I lost one of the screws to the intermidiate shaft that connects to the throttle body,it fell somewher in the engine compartment. Currently there is 3 of the four connecting the shaft to the throttle body. I was informed that this could allow a small air leak overtime. Could this cause these codes?
P1124 - Oxygen Sensing Adaptation Area 1 (Cylinders 1 - 3) - Rich Threshold
P1126 - Oxygen Sensing Adaptation Area 1 (Cylinders 4 - 6) - Rich Threshold
Its a 99 with 54,853 miles of love on it.
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Hi,
I too suspect you are getting an air leak, probably at the TB. Remove one of the screws and take it to a hardware store to match up another one so you can secure it properly. The codes indicate that the ECU cannot enrich the mixture sufficiently to eliminate the lean condition caused by the leak. Running Lean is great for Runway Models...not too good for Cars - an Intake leak on my Esprit caused my #4 Piston to melt - get it straight ASAP...
Happy Motoring!... Jim'99