Ok after a full tune up plugs, wires, cap, rotor, air filter, fuel filter still happened. put on new intake gaskets. still happens. any ideas??? There is one more fuel filter we didnt know about under towards the back to change, will do soon. any other ideas?
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Oil Change & Filter
Transmission Fluid Change & Filter
Plugs, wires/boots, cap & rotor if applicable
Clean the MAF sensor with MAF spray.
Clean any debris out of the air intake box.
Run some seafoam in the fuel to clean injectors.
Check tires & pressures.
Sounds as if you are having fuel injector problems . Try putting in high octane gas and then some fuel Injection cleaner run it for awhile and see if it straightens out some . It could also be a injector pump . It may also need tune up plugs and plug wires new rotor and rotor cap . You may need a tune up badly also check your intake air cleaner ect
MAINTAINANCE, this is an important word ! an never assume ! tune-up is another, so begin with tune-up, spark plugs, wires, cap / rotor, fuel filter, oil filter, fresh oil, transmission filter /fluid , very important, air filter must be changed also. don't go over 45-50mph until you do all of the above dude. put some drygas in your tank, red bottle, has fuel injector cleaner in it. now get to work !!!!!!!!!!!!!!!!!1
I actually had to replace my EGR valve and the gasket. I clean the valve well and reused both. I don't think the gasket sealed well enough though. So I went ahead and got a new valve, gasket and changed them. It runs a lot smoother now.
This would include your spark plugs or coils, the wires, a new distributor cap, an oil change, air filter, fuel filter, and a coolant flush. A tune up can make a car run like new again. Some don't change the fuel filter on a tune up but I have always said it is best too. They can get clogged up over time.
I would change the spark plugs, spark plug wires, distributor cap and rotor, fuel filter, check and change air filter if dirty, check timing, check and top off all fluids, check or change transmission fluid, check brake pads/.shoes and drums/rotors for wear and check tire pressure, check the condition of all belts and hoses and replace as needed, check condition of radiator antifreeze and top off or replace as needed.
Try the a full tune up. Change your plugs, oil, and filters. Put in some fuel conditioner and try getting fuel from a different gas station. The fuel filter sounds like an inexpensive and important part of this equation. But try the tune up to whatever is cost effective for you. You should notice quite a difference.