Question about 2004 Chevrolet Tahoe
I seen this happen when people use a chemical than sales on auto part stores I cant remember the name but it seas than "guaranties to pass emissions test"
what happen is than people put to mush on the gas tank
and when it get in to the engine makes the spark plugs stop working properly because they get whet and it is electrical conductor and makes the spark go true the white porcelain of the spark plug and will not jump causing a misfire.
if you did use this chemical you going to have to empty your gas tank put some fresh clean gas on it, flush your injectors by cranking it whit no spark plugs and replace all your spark plugs.
even if they are new they are no good.
an that shout solve the problem.
If you dint buy this chemical.
wait on till your engine is totally cool take all spark plugs of if you have just change them and the center is all black instead of white
that means than you exhaust is plug up. if not place a paper towel
on top of the spark plug holes ask some one to crank it up.
the towel should get wet whit fuel on each hole.
if one is missing replace the fuel injector of that cylinder.
Posted on Jun 17, 2009
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