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If you know how clean intake manifold, MAP SENSOR ,PCV, EGR VALVE, RUN A COUPLE OF BOOTTLES Of SEA FOAM INJECTOR CLEANER IN GAS, MASS AIFLOW SESOR SHOULD ONLY BE CLEANED WITH MAP SENSOR CLEANER !
Well if your fuel filter is bad the car will be sluggish and once you locate the filter disconnect the battery and remove the filter and blow into it from the side that faces the gas tank and the fuel inside should blow out and be sooted with a color distortion either gold or black fuel should come out also be sure you have a clean tank as well as fresh gas in it so you don't burn bad gas off in the motor or if you still have old gas in the car run it out and buy some sea foam and run it till it's empty and add new gas in it and put premium gas back in the car with more sea foam and do the refill after you change the filter and reconnect the battery
put so sea foam in carb let it sit over night start next morning should run fine it cleans out the carb get sea form at auto store runs about 10.99 a bottle just fill carb let sit
what does exhaust smell like you may have carbon build up in engine try removing o2 sensors and cleaning with brake clean and reinstalling reset code and see if it comes back and how long it takes to reset also you can put a can of berryman in the gas tank with at least 1/2 tank of gas or more also buy a can of sea foam and install through vacuum booster hose you may see lots of black smoke from tail pipe if so after following instructions for application drive some what hard and if the black smoke continues fore at least a mile keep driving and if you notice a diff in runability but still have a little black smoke buy another can of sea foam and repeat service NAPA has sea foam on sale this month
How much gas is in the tank? Is the gas old? If you only have a few gallons in the tank i would advise you to put 5 gals of fresh gas and a bottle of sea foam gas addititve.. if you gas is old it starts to turn to varnish and gets sticky, it smells really bad too.Go to auto zone or wal mart to get the sea foam and add it to a five gallon gas can then add your fresh gas into you car tank..You can also get the sea foam in a spraycan form that you can spray directly into your air intake..Can you hear if the fuel pump is running? Take your gas cap off and put your ear up to the filler tube to see if you can hear you fuel pump working, it sounds like a high pitch whinning sound..Have someone turn the key on while you listen for it..
Thee new fuels today go bad after around 3 weeks because of the ethonol content. Put a can of Sea Foam in the gas tank see if that helps clean it out. Best bet is to drain the tank put new fuel in it with a can of Sea Foam, then give it a good long run until the tank is empty. Re fill the tank and put the correct amount of Stabil in the with the gas, this will stop the gas from turning into sugar and it works for years.
Good luck
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