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Changed fuel pump, fuel filter, tune up and van still slugish

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Maybe running some fuel systems cleaner in your gas will clean out the injectors etc...

Posted on May 23, 2011


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Mercedes clk 200 petrol 1999.guys I really need help quickly please. Only brought the car yesterday and already it's a goner. Driving home it was very sluggish. this morning again sluggish....

If it runs good in park or at idle but is slugish when you try to accelerate it is likely a fuel issue. I would start with a new fuel filter. When you press on the gas you need more fuel pressure and if the pump cant get more through the clogged filter you will get that. If it runs bad even at idle it is likely a spark issue and needs new plugs and wires. I would give it a good tune up - oil change, spark plugs (platinum or iridium), plug wires, air filter, fuel filter, PCV Valve and see how she runs after that.

Aug 11, 2013 | Cars & Trucks

1 Answer

Why does my 2000 astro van hesitates after putting gas in it?

could be a bad fuelpump or a drity fuel filter change the fi;er frist and see if it helps.goodluck

Dec 01, 2012 | 2000 Chevrolet Astro

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Van want stay started and will only start when you add gas to the intake astro van

This engine has an electric fuel pump, this pump is most likely defective. To replace the pump you must remove the gas tank, the pump is inside the gas tank.

Jan 27, 2012 | Cars & Trucks

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Slugish performance and 150,000 miles had been sitting for a year


Jun 25, 2011 | 1996 Mercury Cougar XR7

1 Answer

Hi vic here i have a 2002 liberty 3.7 in the morning first up when i drive the vehicle it goes very well then a little down the road it gets slugish and runs rough how often should you change the fuel...

Recommended every 15,000miles or 20,000km, usually once a year. However for that year of jeep I'm fairly sure it is in the fuel tank, attached to the pump module and is not serviceable. Try a parts retailer and see if one is available for that model and year of jeep. Perhaps look into a fuel injector flush or tune-up if you have high mileage.

Jan 29, 2011 | 2002 Jeep Liberty

1 Answer

93 plymoth voyager mini van keeps stalling when climbing hills or high temps. i have picked up an oxygen sensor have not instaled yet wondering if anyone has encountered anything simulare?

Oxygen sensor won't help you have a bad fuel filter or fuel pump is not pumping under load which colud be casue by the maf sensor or the furel regulater is bad, to know which one it is you would have to rent a fuel pressure tester and see if the pump is within specks These problems are expensive so I won't tell you wich one it is except change the filter firs, could even be needing a tune up but you have not stated if it had been tuned up or not. Leave more information and I will try to help or someone will try.

Aug 31, 2009 | 1993 Plymouth Voyager

2 Answers

The vehicle is a 1993 chevy cavalier 2.2 liter not a 1999what could be causing the engine being s

Many things can effect an engine during the cold.

I'd start by doing other basic tune up replacements. Such as an Air Filter, PCV valve, Fuel Filter, Oil Change. All things things keep an engine healthy.

Another thing to try is a bottle off fuel system cleaner. I recommend such brands as prestone, lucas oils, or STP. These will help eliminate deposits on the fuel system and help keep the fuel and air moving.

Did you replace the plugs with pregapped plugs? If your plugs aren't gapped right this could happen as well.

Hope these ideas help you out bud!

Sep 21, 2008 | 1999 Chevrolet Cavalier

2 Answers

1998 gmc safari van

Check your spark plugs. That could be one of the reasons. Or are you sure you purchased the proper Fuel pump?

Sep 17, 2008 | 1998 GMC Safari

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