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What does it mean when the check engine light come on and "reduced engine power" comes on the radio display?

dantron1313
10

Asked by dantron1313 Sep 06, 2011 at 10:54 PM about the 2006 Pontiac G6 GT

Question type: Maintenance & Repair

The car has 42,285 miles. My girl took it to work today with no problems. Called
me to come and get her as the above mentioned problem occurred. I drove the car
home after doing a test lap around the parking lot, approx. 4 miles. The temp
gauge never rose, all fluids were at acceptable levels under the hood. There was a
lag to the accelerator when pressed. I can only deduce that is b/c the power was
reduced to the engine. Never drove above 25 mph as well. Is this an O2 sensor
problem? I have also heard it may be a TAC problem, but am not sure. And I live in
an apt complex, with no where to work on the vehicle. Any and all suggestions
welcome.

3 Answers

Dobermann
325

Your engine is in self-protect mode.It could be something as simple as timing belt( or plastic sprocket) missing a tooth, making the engine out of time. The Anti knock sensor, oil pump pressure,or even a bad O2 sensor can cause this. The first thing to do is to get a scan tool pluged into the OBD II port under your dash.By running a simple scan, you can determine if you want to take on the job yourself or take it into a shop.I have seen a bad seal on a gas cap, put a Chevy pick-up in this mode.

4 out of 4 people think this is helpful.
dantron1313
10

Thanks dobermann. since the time this happened, i hooked it up to a diagnostic, got the codes and brought it to the dealership at which i work. by the time I got the car here, the check engine light had gone out, so they wouldn't work on it. It has run fine ever since. I saved the codes and talked to my girl's dad about it, he is giving them to one of his buddies who is a pontiac tech. Thanks for the reply though, and i'll keep you posted. Turns out it was the throttle computer and an 02 sensor. both have mysteriously gone away.

1 out of 1 people think this is helpful.
clarey
160

"I was driving and the reduced engine power ligth message and I can not accelerated more the engine light is turn on and also service traction control started to appear what happened"

16 out of 16 people think this is helpful.

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