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I put unleaded instead of regular gas in my 1999 Plymouth Neon and now the engine sounds like a stock car and extremely loud...is it the gas oris something wrong with the engine?

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You can't put unleaded into a 1999 vehicle... you must have things confused. Some vehicles prefer high octane gasoline instead of regular. Using the wrong one (containing 10% ethanol can overheat and ruin the inside of some engines) Dual fuel engines can handle the ethanol.

Posted on Nov 13, 2013

  • Mike Jo Nov 13, 2013

    Thank you! I filled the tank up so how sould I empty it?

  • mikadot
    mikadot Nov 13, 2013

    I saw a post recently of taking off the fuel filter and allowing the fuel pump to empty the tank. This is similar to siphoning, you can sell the gas to someone and transfer to their vehicle using that method. It may be too much fuel for gas cans. A neighbourhood mechanic or dealership have large enough gasoline containers to handle this. A hoist would be handy.

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Posted on Jan 02, 2017

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  • 9 Answers

SOURCE: roaring sound comming from front of car

The deeper or bolder the tread cut will cause more 'road noise'. The only solution would be to replace tires with manufature recommended tread design. You could also increase insulation under your carpetting or spray on "body insulation" on firewall to dampen the sound.

Posted on Dec 02, 2008

bunnydawg
  • 5158 Answers

SOURCE: 2002 Acura RL Premium unleaded fuel question

recommended is just that... a suggestion. most cars will run just fine on regular gas although you may notice a difference from using premium all the time. if you still have the owners manual it should tell you.

Robert

Posted on Dec 16, 2008

dustyboner
  • 364 Answers

SOURCE: Low oil pressure after engine has heated up.

With the car warmed up, oil pressure should be 1.5 kg/cm^2 @ 800 rpm. If your not getting that much, you may want to get an oil pressure gauge (mechanics type) to check it. 8d774a8.gif Using this type of gauge will give you an accurate reading. The stock gauge may not be very accurate, especially if the sending unit is old.

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Posted on Feb 10, 2009

Whitenoize
  • 11 Answers

SOURCE: super-unleaded or premium gas for 2006 lexus ls 430

Well, of course premium is HIGHLY recommended, but it is not necessary.
You can use regular grade in your engine and it will not harm it at all. Modern engine management systems have knock sensors that detect lower grade fuel and make the necessary adjustments to your timing and fuel delivery systems.
All you will notice is slightly slower acceleration and a slight drop in engine horsepower.

Hope this helps...

Posted on Mar 23, 2009

  • 1 Answer

SOURCE: first we put regular unleaded gas in our 1998

may need a fuel pump

Posted on Mar 29, 2009

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