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Chevrolet Malibu Maxx Fuel System Problems

25 messages,  Last post on Jun 29, 2007 at 8:39 PM

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What is this discussion about? Chevrolet Malibu Maxx, Fuel System, Fuel System, Hatchback


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#2 of 25
The Maxx Seems Great by tothemaxx2
Oct 08, 2006 (5:40 pm)
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We bought our Maxx about a month ago. It is a 2006 that we bought new (last one in the Denver area - got a fantastic deal). I had rented several in the last two years, so driving one was not new to me. I have had read the posts for several months before buying. I must say that compared to other cars I have owned, the problems discussed on bulletin boards are generally pretty minor. I am also a Volvo nut, but I want to tell you that many people on this board would run away screaming after reading about Volvo problems on the "Brickboard." The Maxx is truly an exceptional car for the money. We love ours. The fit and finish is very good. Power is great, as is the fuel economy (other 6's I have owned get at least 3 or 4 mpg less). And it is rated as one of the cleanest engines by the U.S. EPA (see their site). Keep the info on problems coming, it really helps knowing what to look for and helps us do-it-yourself'ers. But realize that anything better in any other make would easily cost 5 to 10 grand more. One very satisfied customer with this truly excellent overall car (and I don't work for GM). Light years above the previous Malibu.
 
#3 of 25
Re: The Maxx Seems Great [tothemaxx2] by rferd43
Oct 09, 2006 (4:22 am)
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Replying to: tothemaxx2 (Oct 08, 2006 5:40 pm)

My 04 Max has 56,000 already and except for a couple of problems that were covered under warranty, I have not had even minor problems. I have used it often to travel to TN and SC and my highway mileage has been great - 34-35 mpg at a steady 65 mph.
 
Have been looking for a replacement but have not found a car yet that gives so much value for the money. To get all the features that I have on my LT, I would have to pay close to $28,000 and will will not get the mileage I get on my MAX.
 
Good luck on yours.
#4 of 25
Re: The Maxx Seems Great [tothemaxx2] by blumaxx
Oct 09, 2006 (9:09 am)
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Replying to: tothemaxx2 (Oct 08, 2006 5:40 pm)

awesome. that's great news about the epa. I have a question. Do you usually stick with premium or regular for the car? And also, we have the LTZ, has all the extras so is it "normal" that we paid about 24,000 before adding the extended warranty and tax and registration? All together it comes to 29,000. Robin
#5 of 25
Re: The Maxx Seems Great [rferd43] by pao
Oct 09, 2006 (10:40 am)
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Replying to: rferd43 (Oct 09, 2006 4:22 am)

04 Maxx LT here and it just rolled over 80K this week and same experience as you..some minor problems...all under warranty....and still going strong......my gas mileage averages about 30-32...at 75 MPG throught rolling terrain on the interstate.....many trips VA-SC and back...
#6 of 25
Re: The Maxx Seems Great [blumaxx] by tothemaxx2
Oct 09, 2006 (2:35 pm)
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Replying to: blumaxx (Oct 09, 2006 9:09 am)

On the Malibu rentals I've had I always have used just regular, and never heard any knocking (which is the functional test). I use Premium in my Volvo, but it is a turbo (low pressure). I have noticed a performance difference in the Volvo the few times I have tried regular in it. So far we have been sticking to mid-grade in the Maxx. Has plenty of power with it.
 
#7 of 25
Re: The Maxx Seems Great [pao] by rferd43
Oct 09, 2006 (6:10 pm)
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Replying to: pao (Oct 09, 2006 10:40 am)

My high mileage is on flat terrain and going no faster than 70 mpg. I like the challenge of trying to get the most out of a tank of gas. Maybe I am cheap?
#8 of 25
Re: The Maxx Seems Great [tothemaxx2] by mr_bots
Oct 09, 2006 (7:51 pm)
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Replying to: tothemaxx2 (Oct 09, 2006 2:35 pm)

Little off-topic, but thought I'd post. The difference between octanes is how much it can be compressed before igniting. In the past the higher octanes had better detergents but that is no longer the case as the detergents in today's 91 isn't any better than the detergent in 87. So putting premium or mid-grade in an engine designed for 87 does not improve performance or reliability, such as most non-performance engines. However, running regular in a car that "recommends" premium fuel will decrease performance. If premium fuel is "required" putting a lower grade fuel in it could damage the engine. So, putting 89 or 91 octane in a Malibu is doing nothing but costing more money.
#9 of 25
Re: The Maxx Seems Great [mr_bots] by csandste
Oct 09, 2006 (10:57 pm)
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Replying to: mr_bots (Oct 09, 2006 7:51 pm)

There is no advantage in premium as long as you use a top tier gas. In St. Louis where I live that means QuikTrip, Conoco/Phillips or Shell. Don't think Mobil or BP makes the cut, primarily because they've (because of marketing decisions) have tied high detergency to premium fuels.
 
http://www.toptiergas.com/retailers.html
 
TOP TIER Gasoline Retailers:
 
QuikTrip
Chevron
Conoco
Phillips
76
Shell
Entec Stations
MFA Oil Company
Kwik Trip/Kwik Star
The Somerset Refinery, Inc.
Chevron-Canada
Aloha Petroleum
Tri-Par Oil Company
Shell-Canada
Texaco
#10 of 25
Re: The Maxx Seems Great [csandste] by kurtamaxxxguy
Oct 10, 2006 (11:49 am)
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Replying to: csandste (Oct 09, 2006 10:57 pm)

I've never encountered knocking or pinging in my Maxx, using 87 octane fuel, throughout my long trips including up and down mountains.
 
If I have a __lot__ of mountain climbing on a trip, I might mix in some 89 with the 87 just to be safe.
  
My Prism and Camry (toyotas) did occasionally have problems with 87, though. they were "designed" for 87.

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