poor gas milage , low idle no cel light on 3.5
11-06-2006, 04:37 PM
#1
poor gas milage , low idle no cel light on 3.5
im having poor gas milage 20-23 avg and low idle but no cel light. it was like this befor and after spark plug change what could be causing this. air filter is also pretty new. once in awhile it will stall when starting.
11-06-2006, 06:14 PM
#11
why do people complain about the gas mileage when it's in the 20's...it's a big engine and of course it's gonna be thirsty. i'm getting about 16mpg right now 1/2city 1/2hwy and i'm learning to live with it =/ i don't even care about the mpg anymore the car is a pleasure to drive and it's worth the gas that it takes. if gas is an issue should have gone with something with a smaller engine lol
11-06-2006, 06:26 PM
#12
Originally Posted by lowincash
why do people complain about the gas mileage when it's in the 20's...it's a big engine and of course it's gonna be thirsty. i'm getting about 16mpg right now 1/2city 1/2hwy and i'm learning to live with it =/ i don't even care about the mpg anymore the car is a pleasure to drive and it's worth the gas that it takes. if gas is an issue should have gone with something with a smaller engine lol
12-03-2006, 05:31 AM
#14
Originally Posted by ryanmc
im not complaining about milage its poor performance im conerned because it means its not running right and that can cause more damage so im tryin to find out. its not that thirsty when i drive easy.
do you let you gas run low a lot. if you do you might need a bottle of fuel system cleaner which might help a little. i have a 3.5 which gives me about 19mpg half city half highway its been like that for a while so ive learned to deal with it nothing bad is going to happen just got to keep filling up.
12-03-2006, 06:56 AM
#15
Originally Posted by ryanmc
im having poor gas milage 20-23 avg and low idle but no cel light. it was like this befor and after spark plug change what could be causing this. air filter is also pretty new. once in awhile it will stall when starting.
and nothing is wrong with the car
12-03-2006, 09:15 AM
#16
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haha i love my car. everyone says how 20-23 is normal. The only time i get 20mpg is all city driving. 
anyway, I also have the low idle and I just changed my PCV valve (actually my whole rear valve cover) with no difference. It'll be normal sometimes (around 700) and the idle will be smooth, but a minute later it'll drop down to 450-500 where it usually sits nowadays. It makes my steering wheel shake and i freaking hate it. I went to the dealer to ask them to raise my idle since we don't have an IACV (due to the
electronic throttle) and they gave me the typical bs story that they couldn't because they really didn't know how to do it. I told them I could show them how on the consult II and he said it would cost me at least $95....i freaking hate nissan.
anyway, I also have the low idle and I just changed my PCV valve (actually my whole rear valve cover) with no difference. It'll be normal sometimes (around 700) and the idle will be smooth, but a minute later it'll drop down to 450-500 where it usually sits nowadays. It makes my steering wheel shake and i freaking hate it. I went to the dealer to ask them to raise my idle since we don't have an IACV (due to the
electronic throttle) and they gave me the typical bs story that they couldn't because they really didn't know how to do it. I told them I could show them how on the consult II and he said it would cost me at least $95....i freaking hate nissan.
12-04-2006, 05:04 PM
#20
if I get less than 400miles per tank in my 2k, I feel I have done very bad. I generally fill up at about 425 with about 16 gals(I know... I run it very low)= about 26mpg with about 1/3city 2/3hwy and I don't take it easy.
the 02 gets about 320mpt with the same varibles= about 20mpg.
the 02 gets about 320mpt with the same varibles= about 20mpg.
Originally Posted by lowincash
why do people complain about the gas mileage when it's in the 20's...it's a big engine and of course it's gonna be thirsty. i'm getting about 16mpg right now 1/2city 1/2hwy and i'm learning to live with it =/ i don't even care about the mpg anymore the car is a pleasure to drive and it's worth the gas that it takes. if gas is an issue should have gone with something with a smaller engine lol
12-05-2006, 07:14 AM
#21
Don't you know who I am?
Join Date: Feb 2006
Location: East Granby, Connecticut
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http://cgi.ebay.com/ebaymotors/Nissa...QQcmdZViewItem
There you guys go. This will fix all your gas problems. Add's 20whp too!
There you guys go. This will fix all your gas problems. Add's 20whp too!
12-05-2006, 09:42 AM
#22
Boston traffic is horrible compared to a few surrounding cities. A lot of stop and go. Upon average, it takes me about 45 mins+ to go about 9 miles into the city.
I think it has a lot to deal with weather as well. Last year, i was in Tennessee for a family visit and was getting about 27mpg mixed driving. I just took a vacation up in Maine and I got about 24-25 mpg all highway.
In the end, I do live in Boston and 18-20 is what I get with mixed driving.
I think it has a lot to deal with weather as well. Last year, i was in Tennessee for a family visit and was getting about 27mpg mixed driving. I just took a vacation up in Maine and I got about 24-25 mpg all highway.
In the end, I do live in Boston and 18-20 is what I get with mixed driving.
12-05-2006, 03:47 PM
#23
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Join Date: Feb 2006
Location: East Granby, Connecticut
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Originally Posted by wngan9447
Boston traffic is horrible compared to a few surrounding cities. A lot of stop and go. Upon average, it takes me about 45 mins+ to go about 9 miles into the city.
I think it has a lot to deal with weather as well. Last year, i was in Tennessee for a family visit and was getting about 27mpg mixed driving. I just took a vacation up in Maine and I got about 24-25 mpg all highway.
In the end, I do live in Boston and 18-20 is what I get with mixed driving.
I think it has a lot to deal with weather as well. Last year, i was in Tennessee for a family visit and was getting about 27mpg mixed driving. I just took a vacation up in Maine and I got about 24-25 mpg all highway.
In the end, I do live in Boston and 18-20 is what I get with mixed driving.
12-05-2006, 06:49 PM
#24
Originally Posted by Rydicule
http://cgi.ebay.com/ebaymotors/Nissa...QQcmdZViewItem
There you guys go. This will fix all your gas problems. Add's 20whp too!
There you guys go. This will fix all your gas problems. Add's 20whp too!
04-13-2010, 06:22 PM
#25
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Join Date: Dec 2007
Location: Amarllo, TX
Posts: 11
Don't forget you also went from a 3 liter to a 3.5 liter... I used to have a 96 max and now have an 02. I am happy that i get more power but use a little more gas.
04-13-2010, 08:45 PM
#26
I get 19-23 city mileage depending on how much freeway driving is mixed in. Problem here is horrible traffic light timing. Apparently the Dallas area traffic engineers think it is their job to make you stop at every single damn light. When I was out in Phoenix in February, I was getting 22-23 city mileage due to better traffic light timing.
Freeway mileage should be pretty close to what the EPA says, 26 for automatics, 28 for manuals. Ignore the trip computer because it is pretty optimistic. Do the math instead. I get right around 26 on trips, keeping my speed around 3-5 over the speed limit. Actually got 26.3 (trip computer said 30.2) over 414 miles averaging 79 mph on one stretch of my trip.
If you aren't getting good mileage on the freeway and you aren't constantly going 90, then I'd look at the condition of the precats and main cat.
Freeway mileage should be pretty close to what the EPA says, 26 for automatics, 28 for manuals. Ignore the trip computer because it is pretty optimistic. Do the math instead. I get right around 26 on trips, keeping my speed around 3-5 over the speed limit. Actually got 26.3 (trip computer said 30.2) over 414 miles averaging 79 mph on one stretch of my trip.
If you aren't getting good mileage on the freeway and you aren't constantly going 90, then I'd look at the condition of the precats and main cat.
04-15-2010, 08:42 AM
#30
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