Question about 2008 Chevrolet Impala
Traction control light on &LOW POWER LIGHT
Posted by Anonymous on
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Posted on Jan 02, 2017
po455 is Probable Cause[s]
1. Defective, loose or missing fuel cap
2. EVAP canister broke, hose cracked or not connected
3. Purge or vent solenoid defective
4 . Vacuum leak at engine po121 code po121 means Throttle Position Sensor/Switch A Circuit Range/Performance Problem . it is usually indicative of a faulty throttle position sensor or faulty wiring harness in the engine bay.
Posted on Feb 27, 2010
You'll need to have the codes read from the computer. You will have a code that indicates one of the front wheel sensors is bad. This could be the case, but they are very expensive as they are built into the wheel bearing assemblies. It is more likely that the wiring harness between the frame and the part of the front spindle that holds the harness, has broken internally. It is a very common problem and can be repaired with a new wiring harness section or by tracking down the fault and repairing it.
Posted on May 31, 2010
this simply means the wheels are slipping and the computer is applying the brakes(trac) and reducing the accelerator (eng speed reduced) to try and bring the car back into control. It basically means its time for new tires or rotate the front ones to the back so the wheels slip less...
Posted on Nov 06, 2010
SOURCE: My stability system and traction
All three systems rely on some of the same sensors in order to operate.
In this case most likely is wheel speed sensors. By far the most common problem.
The system will need to be scanned to find out which is the offending one and be repaired.
Not all scan tools have the capability to read ABS systems. Make sure whoever you take it to has this available. Most good shops will have this.
If you have further questions on this, please ask me here, be glad to help.
Thank you for using FixYa.
Posted on Jan 17, 2011
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