Check the fuel pressure make sure its within specs Or you can do below to determine if its fuel or spark problem when it refuses to start hot-this is where we start.
Misfires can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure, or even bad fuel.
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Sunday, November 23rd, 2008 AT 12:33 PM