Fuel consumption problem on Shadow
08-25-2008 | 09:01 AM
#1
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Fuel consumption problem on Shadow
Hello Mopar lovers !First of all, sorry for my poor english, I live in Quebec and I speak french...I have a consumption problem with my 1990 Dodge Shadow...It’s previous owner was an old man who bought it new in 1990 and sale to me after 18 years.My Shadow have the 4cyl 2.5 100hp engine (no turbo).It consumes 18.8 mpg (12.5 liters/100kilometers) in summer and 12.7 mpg (18.5 liters/100 kilometers) in winter (the Quebec is cold)...Is it normal? In the automotive guides, I see the Shadow must consumes 35 mpg...Is it possible my engine not working properly? Is it possible to repair it for reduce the consumption?Thank you! 
CitronPressePs: a pic of my little Shadow
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CitronPressePs: a pic of my little Shadow</p>
Last edited by CitronPresse; 08-25-2008 at 09:03 AM.
08-25-2008 | 05:55 PM
#2
Mopar Lover
Joined: Jul 2008
Posts: 1,682
Likes: 28
From: MICHIGAN
First off Welcome and sweet looking shadow , always liked them cars ... im pretty sure you should be getting alot more miles to the gallon then you are getting but i dont think you will get 35 mpg but have you did a tune up on the car when you bought it and i would check everything from the airfilter down to the fuel filter and do a complete tune up 
you should be atleast getting 25 / 28 mpg i would think
you should be atleast getting 25 / 28 mpg i would think
08-26-2008 | 11:54 AM
#5
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First off Welcome and sweet looking shadow , always liked them cars ... im pretty sure you should be getting alot more miles to the gallon then you are getting but i dont think you will get 35 mpg but have you did a tune up on the car when you bought it and i would check everything from the airfilter down to the fuel filter and do a complete tune up you should be atleast getting 25 / 28 mpg i would think
you should be atleast getting 25 / 28 mpg i would thinkme too I have always liked this model
all the elements from the airfilter to the fuel filter are in good condition, the foam in the airfilter is new, the fuel filter has changed too...
in effect, what elements should I tune up?
Thank you everybody for your replies!
CitronPresse
08-28-2008 | 10:18 AM
#9
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Hello and sorry for my late!
Doc » the engine have not really the time to warms up but even after 6 miles, the engine are not hot, the hose between the radiator and the engine block is not yet hot...
Commando » on a longer highway trip at the average speed of 55 miles per hour (because the engine strap was time-worn), my Shadow consumes approximately 24 mpg
challenger » my Shadow have only 90,000km (56,000 miles) and the winter tires are new
the summer tires are threadbare but even in winter, it consumes 12.7 mpg...
Thank you for your repliesCitronPresse
Doc » the engine have not really the time to warms up but even after 6 miles, the engine are not hot, the hose between the radiator and the engine block is not yet hot...
Commando » on a longer highway trip at the average speed of 55 miles per hour (because the engine strap was time-worn), my Shadow consumes approximately 24 mpg
challenger » my Shadow have only 90,000km (56,000 miles) and the winter tires are new
the summer tires are threadbare but even in winter, it consumes 12.7 mpg... Thank you for your replies
CitronPresse
08-28-2008 | 08:20 PM
#11
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CP ..... not allowing the motor to ever get UP to operating temp is ROUGH on the motor. It is no time to "burn off" any contaminates. I hope that you are changing oil REAL often !! C ... a block heater would help on a start-up ... but not getting the oil up-to-temp.
08-22-2009 | 09:49 PM
#18
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Joined: Jun 2007
Posts: 5
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hmmm. I've had my share of Shadows and Sundances, and 24mpg is pretty average with the automatic tranny. with a 5 speed, my one Sundance pulled down 29mpg, but I was driving 14 miles each way to work. with the shorter 2-3 miles jaunts, I can't imagine you'll see much over 10mpg.
03-15-2011 | 10:33 AM
#19
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Joined: Mar 2011
Posts: 6
Likes: 0
Fuel consumption problem happening use of user. The user is use the car for save the fuel without work. Day by day Fuel price increase, so most importance that the save the fuel and save the money, minimum use the car. For example Price is increase 20% then effect on consumption 25%. Means Customer or user save the 25% or deduct the ride 25% against the Price of increase 20%.
Last edited by vernonapitt; 03-15-2011 at 10:42 AM.
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