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Think We Might Have Nailed It...
Posted by Peter Ingram [Email] (more from Peter Ingram) on Thu, 15 Jan 2004 16:02:22
In Reply to: Do I Have A Bad Wheel Sensor?, Peter Ingram, Wed, 14 Jan 2004 16:09:02
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at my Indie today. We pulled the following error codes off the TechII:
In the ETS Section:
-- 25721: Intermittent Pedal Switch Constantly Off
-- 33450: Safety Valve Current Low
In the Throttle Section:
-- PO120: Throttle Position/Angle Sensor
Our theory is that when running over the speed bumps, the TCS system became confused. In looking back, I think the car did initially go into limp home mode. I shut it off, and when the car was restarted, the ABS brake pulsing remained.
Also: It was the left front brake that was pulsing.
Conclusion in Two Parts:
1. TCS system confused by speed bumps. Also, my repetitious pumping of the brake pedal is what set off the other brake-system-related warning lights, since the car is not set up for the driver to manually pump the brakes -- that's what the ABS is there for.
2. Left front wheel sensor is on its way out. Hence the ABS pumping on ONLY the left front brake.
After the car sat over last night, I think the system cleared itself. No symptoms today. Ultimately, I expect a new wheel sensor will be in order.
I'll post an update once I have one. Thanks for your help, Daren!
--Peter
posted by 68.211.105...
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