While driving, fast or slow, my car will slow down abruptly and a "engine power is reduced" warning comes up on the lcd dash. This has also happened while I've been standing idle at traffic lights. I am afraid that one day my car will stop completely while I'm on the highway, resulting in a crash of some sort.
2008 Chevrolet Impala fuel system complaints
Page 2 of 2: complaints 11 to 19 of 19, newest first, as owners wrote them.
I just purchased my used vehicle from a dealer less than 6 months ago. My engine light kept coming on and then it stayed on. I went to a local auto parts store to get a diagnostic reading and it said to check my emmision system. So, I took my car to the chevy dealer in town and their diagnostic test determined that it was a bad evap vent solenoid valve. Even though my car is covered by the 8 year federal warranty on emissions, I had to pay for the new part and the diagnostics check. In looking up this problem on the internet, to my surprise it is a very common problem! Apparently, the solenoid valve is a poor lasting part which needs to be replaced more than once! It is a common maintenance service that should be checked every 30,000 miles. There is no mention of this in my owner's manual. In speaking with family and friends, they have also had their engine lights come on and had gas station mechanics tell them to ignore the check engine light as it is a common occurrence with the newer vehicles and the new emmision standards. When I told chevy that they should recall the part, they told me that they don't handle that and to report it to the federal safety agency. I believe the consumer is not getting all the information on this problem and someone should be held responsible for this defective part.
I have a 2008 impala lt with a gas gauge that fails especially in below freezing temperatures. It reads 1/4 full when you fill it and goes about 100 miles and reads empty with the light coming on to get gas immediately. I have been to the dealer,sawyers chevrolet twice but they will do nothing since I had 40,000 miles on it. I think it should be recalled. [xxx] information redacted pursuant to the freedom of information act (foia), 5 u.s.c. 552(b)(6).
My 2008 chevrolet impala was recently totaled, on star had diagnosed a problem with the app sensor, this was confirmed with the dealership and repairs were not covered by the warranty, the car is now in possession of my insurance company I had called previously and was told to call chevy, the dealership is the only number I have . They are to dispose of this car , there is too much data here to not have turned over to chevy and or nhtsb , especially since onstar also recorded the cross and the driver only had a knee injury.
We own 2008 chevy impala with 40,000 + miles. The engine light goes on and off. We often check if the gas cap is on tight. This usually helps. This past week, all we tried with gas cap did not help. We took car to gm dealer. There is a defect in the gas cap. However, the new gas cap cost us $80 parts plus labor and cost of analysis. We have owned many cars and never had to replace a gas cap. Even a car with 350,000 had original gas cap. This is unfair for owner to bear this expense. Thank you.
Gm advertises that the 3.9 liter engine is supposed to get 28mpg and we can't get more than 25mpg in either of our impalas equipped with this engine and both cars have over 10,000 miles on them which according to the dealer means they should be broken in. I've talked to gm twice about it and they blame the epa for the advertised numbers on the window sticker so it's not their problem and the dealer doesn't know what to do but they have told me other customers with that engine have complained as well. Who does the testing on the cars to get the fuel mileage numbers that are on the window stickers? I thought the new numbers for 2008 were supposed to be more accurate then in the past. We've had four other new impalas (01,02,04,04) and they all got the fuel mileage advertised so why do the 08's with the 3.9 do so poorly?
I own a 2008 chevrolet impala that take e85 fuel. On two separate occasions, I've filled up with e85 and driven out the entire tank of e85 fuel, then switched back to 87 octane. With driving 10 - 20 miles, my check engine light comes on and I'm directed by my onstar service to report the dealership. The dealership informed me on both occasions, that my fuel system did not recognize the change in alcohol levels between the e85 and 87 octane; the reason for the alert. The fuel system is not able to tell that I've switched from e85 to 87 and reports a failure in the fuel injection system. This cause my remote start to not work. I have to report to the dealership for them to manually reset the fuel system that monitors this.
Gm advertises that mileage for average highway driving is 28 mpg. The car does not meet or even come close to this standard. I have tested mileage with 100% highway driving and the max mpg is 23. With some minimal off highway driving (to and from highway) the mpg averages 21 to 22. Off highway mpg averages 19. My investigations have found that gm has changed the final drive ratio. At 70 MPH the engine RPM is 2,300. That is 300 RPM more that previous model years.
Tl*the contact owns a 2008 chevrolet impala. The contact had been driving his vehicle at various speeds for several weeks before he noticed that it was not getting the miles per gallon that was stated on the epa sticker. The vehicle was taken to the dealer, but they found no failures related to the fuel mileage. The current and failure mileages were 500. Updated 09/10/08. *lj updated 09/12/08.
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