Last post on Oct 29, 2013 at 8:06 AM
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Chevrolet Impala, Auto Repair, Electrical, Fuel System, Sedan
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#15 of 483 CHEVY IMPALA 2008 "ENGINE POWER REDUCED"
Sep 25, 2011 (7:15 pm)
I experienced the EXACT problem today my car just displayed the message and then took me from 50 miles an hour down to 20 mph. Then the car just completely CUT OFF while I was still in drive and I could not even steer the wheel to get off the road. I had my 2 month old son and my 2 year old daughter in the car. There should be something done about this. It's scary and its overall DANGEROUS! It is not a situation that you can control because it is a computer issue. AGAIN...SOMETHING NEEDS TO BE DONE. I was in the middle of the road and it completely shut down that is NOT OKAY!
#16 of 483 Re: Engine power reduced/Service Traction control [bowana]
Sep 25, 2011 (7:32 pm)
Well since my last post the dealer put in a new windshield and found severla issues with the previous install. The car now is quieter on on the highway so all of the sealing was not in place. However, I washed the car and a day later I had the P2138 code come up while on the highway. I incorrectly indicated P2135 in my previous post. The P 2138 is accelerator pdal position sensor plsu it also showed in history the c0242 Traction control code. I had my code reader with me and cleared the code as I was out of town 60 miles and then 3 hours later it happened again. Took back to the dealer and because the service engine light was not on they claimed that they could not read the history code. They did clean connections under the hood and found one to be corroded so I am now 6 days without a code so we will see if they fixed it. There is a service bulletin but because the service engine light was not on when I delivered to the dealer they claim they could not action the bulletin and therefor I paid the $150 for the service.
I will try to report back as to how things go over the next 30 days as I am on the road again this week.
Oct 19, 2011 (7:13 pm)
Car was driving fina all day went to put in gas and then went to start it. Made some noises as if trying to start or knocking and then cut off. It was smoking and had a burnt smell coming from tailpipe. Had it towed home and tryed to start again and now it wont even kick over. Any ideas?????
#18 of 483 "Reduced Engine Power & Engine Light"
Oct 25, 2011 (12:06 pm)
My car is currently at the dealer , where they are reading code coming up with nothing!
Please if anyone know who I can make a formal compliant with at GM this is dangerous and costly going back and forth to the dealer without a resolution.
I just purchased this used 2009 Impala less than a month ago lights came on the next day!
I brought the car back, inform sales and services immediately and everyone is taking their sweet time to correct the problem.... And we wonder why people buy foreign!
#19 of 483 Re: "Reduced Engine Power & Engine Light" [wilant]
Oct 25, 2011 (2:15 pm)
When the service engine light is on the code will be P2138 and because the condition that causes it is intermittent the dealer will not be able to read the code if the light has gone out as was the case with mne last week. However, there is a service bulletin about the problem and if you direct the dealer to have a look at the gas pedal and the sensor that it operates they should be able to determine that the sensor is not "in spec" as they have to run an ohm meter to check it.
The dealer was to install my sensor today but it was damaged in shipping so I have to wait for another one to arrive tomorrow. It will be $180 plus the diagnostic to check it plus install so close to $400 to fix it as I am out of warranty. I have 132,000k on mine so the power train is all I have left.
#20 of 483 Re: "Reduced Engine Power & Engine Light" [bowana]
Oct 26, 2011 (7:27 pm)
Well got the car back today from the dealer. Changed out the gas pedal and sensor (attached) and now I have a new car again. The car responds so much different than before, no hesitation, quicker acceleration and possibly even less rpm's at 100K. Cost was $307 CDN tax paid so not as bad as I figured.
I will still carry my code reader for the next few weeks in case it acts up again but for now I feel that the issue has been resolved and move on. Good luck with your problem but I certainly would start with the gas petal assembly. I did not try to by aftermarket or from a wrecker as I was not sure if the part needed to be calibrated or not. If not, then it should be a simple matter of swapping it out. I was charged 1 hoiur for labor.
Oct 28, 2011 (3:44 pm)
I own a 2008 chevy impala LT, I have had the car for almost two years an have had nothing but trouble, today after work i get in an start my car an the "Rev engine light comes on" i have no power, and it wouldnt even back up. I have just got on this site an read all the semilar problems that every one else is having an quite frankly, i cant believe that chevy is not willing to do something to fix this problem. Seriously!!!!! you have women with children driving down the highways and their cars have no power. That is totally dangerous an they wont even fix the damn problem!!
#22 of 483 Re: P.O. chevy owner [pochevyowner]
Oct 31, 2011 (1:25 pm)
I apologize for your frustrations. Have you spoke with your GM dealer? If not, I would recommend starting there. Have you spoke with GM Customer Assistance? If not, I might set up a case with them. They will work with you and the dealer to try to resolve your concerns. I would be happy to assist you with that. Please feel free to email me directly!
GM Customer Service
#23 of 483 Dead Battery for no reason
Nov 04, 2011 (8:50 am)
I have a 2008 Impala LS. Had it for the last 2 years and no issues.
on 10/30/11, i drove the car for 10 min, parked it and left. Came back in a couple of hours and car is dead. Remote entry key doesn't work. Got in using the lock on the door. Battery is completely dead. None of the electricals were on. I just had the service tech clean out the corrosion the the so called "Maintenance free battery" which had corrosion all over it. And the weird part is the key got stuck in the ignition. I've tried moving the steering around, nothing seems to get the key out. There is no key release anywhere under the steering column as well. Its amazing how such an important aspect is missing.
Measured the voltage across the battery and it reads 2.5V. Tried jump starting and that doesn't help at all. Car has been dead with the key in it for the last 4 days. And the best part is the Shifter override is not even available. Not sure how the Tow truck would get the wheels rolling.
Its quite frustrating to not have any means to move the car out.
I was a great fan of Chevys up until recently. But seems like I was wrong. Problem after problem seems to creep up with the impala. Wife has a foreign car for the last 3 yrs and not a single issue with it.
#24 of 483 Re: Dead Battery for no reason [maddy9944]
Nov 04, 2011 (9:48 am)
Iím sorry to hear about the battery concerns youíre having with your Impala. Where was your battery serviced? Also, are there other concerns with your Impala? We'd be happy to follow up with any dealerships for you.
GM Customer Service