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Nissan Altima Real World MPG

195 messages,  Last post on Sep 25, 2009 at 6:11 PM

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What is this discussion about? Nissan Altima, Fuel Efficiency (MPG), Sedan

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#38 of 195 Re: : 2007 NISSAN ALTIMA 2.5 POOR MPG FUEL/GAS PROBLEM? [sellcar] by sellcar Jun 16, 2007 (1:59 pm)
Replying to: sellcar (Jun 12, 2007 1:32 pm) Does anyone else have an answer to this fuel eater? I tried using 35 psi in all the tires and I'm also using 92 higher octane gas. The car still pings and I just checked the fuel mileage and I only getting 20 MPG tops this is for a combo of streets and highway with the A/C OFF. I am driving like I have an egg under my shoe. Does anyone have an answer to this problem? Does anyone think I have an engine problem or something else? Please give me some advise? Thanks!
#39 of 195 2007 Nissan Altima Gas Mileage Problem by triplesonic Jun 16, 2007 (5:21 pm)
I drive a 2005 with the 2.5L and get 29mpg with 25% city and 75% highway driving, 75 mph on the freeway. There is really no reason for your car to be pinging on 92 octane gas, I drive in the Mojave desert in the summer time with the air on without pinging and I pump 87 octane. What brand of gasoline do you use, is it a Tier One gas like Shell or do you use some no name gas or worst, Arco? Just a thought. Replies to this message: sellcar (Jun 16, 2007 5:34 pm) townboy325 (Jul 01, 2007 4:40 am) sellcar (Jul 01, 2007 5:47 am) and 4 more...
#40 of 195 Re: 2007 Nissan Altima Gas Mileage Problem by sellcar Jun 16, 2007 (5:34 pm)
Replying to: triplesonic (Jun 16, 2007 5:21 pm) I have used/tried Mobil and Shell Gasoline with the same results. I would never put in a no name Gas. I can't understand why I am having this fuel problem. Replies to this message: townboy325 (Jul 01, 2007 4:40 am) sellcar (Jul 01, 2007 5:47 am) jd10013 (Jul 01, 2007 11:51 am) and 2 more... pseongho (Jul 02, 2007 8:44 pm)
#41 of 195 Re: 2007 Nissan Altima Gas Mileage Problem by triplesonic Jun 17, 2007 (9:57 am)
When you took your car to the dealership did the service department checkout the car? Did they plug it into the computer and do a diagnostic engine check? Or did the salesman just blow you off? Pinging and bad gas mileage can be any number of things gone wrong under the hood, like a bad O2 sensor. Normally a engine problem would trigger the check engine light but, we all know how unreliable electronics can be at times. If they haven't checkout the car, I would take it in and have them do a complete engine diagnostic, it's under warranty. If they don't agree, take your complaint to Nissan USA and see if they will help. The squeaky wheel gets the oil.
#42 of 195 2007 Nissan Altima Gas Mileage Problem by sellcar Jun 17, 2007 (10:08 am)
I will have the car rechecked by another dealer. Thanks!
#43 of 195 2007 Nissan Altima Gas Mileage Problem by sellcar Jun 17, 2007 (3:36 pm)
I'm looking for other 2007 2.5 Altima owners with the same problem. Anybody out there?
#44 of 195 Re: Gas mileage [sushiljk] by sellcar Jun 17, 2007 (4:28 pm)
Replying to: sushiljk (May 14, 2007 8:35 am) I have the same problem with my car. Did you find an answer to your problem with fuel mileage?
#45 of 195 Re: 2007 Nissan Altima Gas Mileage Problem [sellcar] by townboy325 Jul 01, 2007 (4:40 am)
Replying to: sellcar (Jun 16, 2007 5:34 pm) any of your guys having problem like Rattling sound at startup or u can check this out http://www.nissanclub.com/forums/new-2007-nissan-altima-discussion/244862-rattling-sound-startup-2-5s.html if u do take your car back to dealer have them upgrade the ECM hope this will help that your pinging Replies to this message: sellcar (Jul 01, 2007 5:47 am) jd10013 (Jul 01, 2007 11:51 am) sellcar (Jul 01, 2007 12:00 pm) and 1 more... pseongho (Jul 02, 2007 8:44 pm)
#46 of 195 Re: 2007 Nissan Altima Gas Mileage Problem & engine noise [townboy325] by sellcar Jul 01, 2007 (5:47 am)
Replying to: townboy325 (Jul 01, 2007 4:40 am) I have a 2007 Nissan Altima 2.5 SL with the same noise when the car is cold or sitting a while. I replaced the engine oil with Mobile 1 and also added in a bottle of Lucas oil and now the noise is very low when I cold start. I don't know why I have to use any additives to help to remove the noise when the engine is cold. Maybe an engine recall coming? Please let me know. Replies to this message: jd10013 (Jul 01, 2007 11:51 am) sellcar (Jul 01, 2007 12:00 pm) jd10013 (Jul 01, 2007 3:14 pm) pseongho (Jul 02, 2007 8:44 pm)
#47 of 195 Re: 2007 Nissan Altima Gas Mileage Problem & engine noise [sellcar] by jd10013 Jul 01, 2007 (11:51 am)
Replying to: sellcar (Jul 01, 2007 5:47 am) its not a problem with the engine, it the ecm. It just needs reprogrammed. that is, if you bought your car in california. it may also be whats affecting your gas milage Replies to this message: sellcar (Jul 01, 2007 12:00 pm) jd10013 (Jul 01, 2007 3:14 pm)

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