Question about Hyundai Sonata
Posted on Feb 14, 2009
i had asimiliar misfire on my 2000 windstar.the first thing to check is a broken valve spring by taking off the valve cover the other is a o2 sensor bank 2 i believe is the downstream.if not the valve spring then either the coil pack or thecontrol module. either way it is fairly inexspensive
Posted on Mar 08, 2009
SOURCE: 96 bmw 740il misfire
This is a pretty common problem. I would change your valve cover gaskets. They run around ~ 50 bucks. If they are bad it will leak oil into spark plug well and cause a misfire. Very known on the 740.. Also if tune was not anytime not too long ago id change spark plugs while you at it. Then clear the computer and if you still get misfire on 8 try changing the ignition coil which is right about the cylinder with cylinder ignition coil 5. clear the computer. if you get random misfire and misfire cyclinder 5 after then its your ignition coil. parts store runs around 100 bucks
Posted on May 04, 2009
try somethng simple. change fuel filter. add can of SEAFOAM to tank of PREMIUM gas. allow to idle for 3-5 min. drive hard for 10 minutes. get Zone or Advance to cut off light. go 30 miles. change fuel filter again. this is a case of Ethanol gas syndrome. it causes oxy readings ff the scale; carbonizes fuel,emission, and engine internals, try this first. add SEAFOAM every 3-5000 miles to clean this waer and goop out and see how it works. also, you might be able to clean oxy sensors or replace them.
Posted on Aug 31, 2009
is not ford,driverside front close to rad #1,and then2,3,4 [same side]and pass. side front 5,6,7,8 [if only 6cyl you have 123and 456?
Posted on Dec 12, 2009
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