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Gas milage significantly went down

Gas milage for my two year old Hyundai Veloster significantly went down (more than 20%). Why? How to fix?

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Run fault codes for sensor problems . have a pressure test done on the manifold to check for pump/regulator problems. Check that the cat converter has not failed and Is blocking the exhaust system

Posted on Jan 04, 2014


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Posted on Jan 02, 2017

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SOURCE: 2002 - Chevelot Mailbu - I just had my alternator

have car scanned, could be a bad camshaft sensor. if bad it will cause engine to use more fuel then usual.

Posted on Apr 24, 2010

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SOURCE: I'm looking at purchasing the

it's chain and no need to change it all but you have to change the oil on time to prevent any damge

Posted on Jul 14, 2013

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I have a 2013 Hyundai veloster Turbo. I got gas 17 miles from my house. My husband went out, went on hiway, car lost power, bucked & "run rough". I tried to drive it and check engine light flashes.

you screw the cap on and the cover is what clicks in place
if it will not click in place , probably because the cap is not fully screwed down
have the fault codes read

Nov 20, 2017 | Hyundai Cars & Trucks

1 Answer

Wiper fuse keeps blowing, car 2 months old, 2014 veloster turbo

Return to the dealer for warranty! You may have a hidden recall issue, or a potential electrical fire issue.

Apr 27, 2015 | 2014 Hyundai Veloster

1 Answer

How do i reset the oil change light on my 2013 veloster turbo

I know for a lot a vehicle you put your key on all light came on then press three time the accelerator after start your engine and check it out this procedure work's for a lot of manufacturing.

Sep 13, 2014 | 2013 Hyundai Veloster

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The factory tends to use lightweight oil,to increase fuel mileage,
not good for the life of the engine,if heavier oil was put in place,mileage could drop,but not much,maybe 1 mpg,are you sure it's not because of
extended warm up times or more idling than usual?

Feb 18, 2012 | 2012 Hyundai Veloster

1 Answer

My 2005 Sonata's horn just quit working, the only other thing thats not working right is the gas milage gage

Two separate problems (disassociated). Horn -- could be the fuse, wiring or the horn itself. Gas milage gauge is a micro-computer system. Take your vehicle to an authorized Hyundai dealership and pay the diagnostic fee... they will tell you exactly what the problem is and the cost of parts/labor to fix it... at least this way you'll know what the problem is and what's required to fix it.

Oct 19, 2009 | 2005 Hyundai Sonata

1 Answer

Sensor 1 bank has an open circuit

it is the O2 sensor in the manifold that went bad. it is an easy fix but i wouid recommend taking in to somwere other than the dealer to save you money. this is small problem that will only effect your gas milage a little

Jan 02, 2009 | 2004 Hyundai Elantra

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