Yes, you are right fuel filter first, any codes? air filter too, the fuel filter is at back near the rear wheel.
SOURCE: 2003 Chevrolet K1500 4x4 multiple miss fire code P0300
IS IT POSSIBLE YOU GOT A WIRE CROSSED? or a plug is cracked and or gap closed up? i would check these. you have the 5.3? what kind of plugs are you running?
SOURCE: 95 Chevy C-1500 runs rough at idle and during accelleration
Check the vacuum line to the fuel pressure regulator and check to see if the fuel pressure regulator has gone bad. Give the throttle body a good cleaning and the injectors too. Do not use carb cleaner, it's to corrosive for the gaskets used in the throttle body. The other thing too that would cause this is a stuck or bad EGR valve, Try cleaning the EGR valve too since your cleaning the throttle body. Good luck and keep me posted.
SOURCE: 2001venture van service engine soon light stays on
most any sensor going bad can cause the check engine light to come on,try disconnecting the posative battery cable for 15 seconds ,then put it back on,will reset the codes, or take it to auto zone,they will test your computer for codes at no charge to you.i had a venture van my was ox. sensor. thanks robert b.
SOURCE: Venture van power door problem
It sounds as though one of the proximity sensors is faulty. Also try giving the tracks for the door a good shot of white spray lithium grease. The door may be binding enough so that the emergency reverse is kicking in.
SOURCE: 93' chevy 4.3 V6 vortec. engine problem
fuel lines inside the intake plhenum may be cracked and leaking inside the plhenum. same thing happened to my 1992.sonoma. they are made of a plastic material and tend to crack right in the bend of these lines.
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