Question about Hyundai Tiburon

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Bad gas mileage

I have a Hyundai Tiburon with 01 body and an 03 engine which is the 2.0 I work in town delivering sandwiches which is know is going to decrease my mileage but I get less than 17 per gallon I've checked the air filter is nearly brand new and I just put some seafoam in my most my tank but is there anything else I can do

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  • Master
  • 957 Answers

I would get a full tune up

Posted on Mar 31, 2014

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 148 Answers

SOURCE: engine runs bad at half tank or less

Ok ready for this one,new gas cap,its true cars with bad gas caps will cause the check engine light go on,or your problem,it has to be pressurized when full and no air in the tank its ok,but as you use gas and have air in the tank with the low fuel the air pressure is leaking pass the cap,thus losing pressure,too bad you had to fix all the other stuff but look at it as an investment,after this works please give me a fix ya thanks

Posted on Jul 13, 2008

wyatt1582
  • 453 Answers

SOURCE: 2000 Ford Expedition Starting problem

If the fuel gauge drops off when you are driving then its a sending unit problem that means you have to drop the tank and replace the float and sending unit. This is a common problem for alot of cars because of cheap gas. If you have to drop the tank check the fuel pump canster for dirt because of cheap gas. Replace the fuel pump strainer and fuel pump filter. If the car or truck has about 100,000 miles you might want to change the fuel pump at that time also just to cover your back. If you take it to a shop they will charge you at least $900 to start. But if you do it yourself it will cost you about $200 dollars maybe alittle more.

Posted on Mar 20, 2009

  • 2 Answers

SOURCE: poor gas mileage average 13.6 miles per gallon

what kind of car is it and how many cylinders?

Posted on Apr 29, 2009

mechanicm639
  • 253 Answers

SOURCE: POOR GAS MILEAGE

Have you changed the fuel filter? I know it sounds weird but a plugged filter will make a truck use more gas. The computer tries to compensate for less fuel by commanding the injectors to open longer. Also a plugged filter will cause excess back pressure on the fuel pump making it loud.. Good Luck.

Posted on May 29, 2009

  • 1 Answer

SOURCE: gas mileage decreased

cmon 114k miles is nothing on a toyota even if u abuse it dude

Posted on Jun 09, 2009

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I dropped off my 2004 Hyundai Tiburon for repair due to high fuel consumption. I was informed that all my O2 sensors are not working and I was advised to replace all of them but first try replacing the...


Is check engine lamp on now? If it is not on who is going to pay for all the parts and labor,is gas mileage that bad, because it might take along time to get any payback for the repairs.I under stand you want the car right but some times the cost is to high. Good luck

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Go to www.hmaservice.com and register( Vehicle by VIN). Afterward, you have access to shop manuals, service bulletins, wiring diagrams, etc. about your vehicle.

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Actual specs can be found at the dealer or in a Hayne's manual in the local auto parts store. After 17 years of doing this, I'd just take my air gun & stagger tighten the bolts,until snug, then go over them with no more than 3 "clicks" of the air gun. It'll work fine,guarunteed.

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