Question about 2003 Ford Focus

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Not gettin fuel through to be able to start

Had contaminated tank took off the tank cleaned it all put on new fuel filter re connected everything but still wont start i know the fuel pump is workin and everything is perging but no petrol is comin through

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  • vfr400rrnc30 Nov 21, 2008

    sorry nothin is perging although you can hear noises under the bonnet can anybody help

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  • Master
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You might have clogged fuel injectors I have had the same problem

Posted on Nov 22, 2008

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Posted on Jan 02, 2017

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Hi Walter I'm assuming you fitted a new pump and filter, If it appears to start after hitting the tank yes I also would suspect it to be a faulty pump, however if fault is still apparent I would be looking at a possible wiring/ connector fault. Possible corroded or loose terminal where it connects in any area around fuel tank as it appears any vibration when you hit the tank has an effect on a connection. The only other possible is you have some contaminant in the fuel tank possibly water or similar that is affecting the pump. Did you check or clean out the tank before fitting the pump. Also confirm its not a relay problem. Relay in fuse box under bonnet. Good luck.

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Mr. Harris, My advise is to drain the water and fuel mixture from your fuel tank,remove if is easy the fuel tank and completely dry it up,Go by the engine bay and find the fuel pipe which is coming from the tank to the injection system where probably is a fuel filter,renew the fuel filter, blow air in the pipe from the engine side towards the fuel tank-but before you do blow air in the pipe be sure is not connected to the fuel tank,for not sending the water back in. If you did not start the car since water went into fuel,means that you finished with the above,by connecting everything and put fuel in the tank and start the engine. If you did have the engine running when water went into fuel,means that you have to remove the spark plugs and whilst are out and the fuel tank is clean with new fuel and fuel filter make the engine spinning second to second for 2-3 minutes so as the any old fuel to push out from the spark plug holes. After clean your spark plugs or renew them and also before running the engine is good to put an injection cleaner additive in the fuel tank. Better to put fuel up to a quarter of the tank and run it treating all the system.

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Hi i have a 2006 dodge diesel that we figure got bad fuel and stopped running.wouldnt start took it in go a new lift pump, fuel filter, lines cleaned and tank cleaned out and its still not running great....


Diesels need to be clean and typically after 10,000 miles removing the fuel filter produces very little in the way of dirt and grit.

You had the tank and lines cleaned out and a new pump and presumably a new filter and still you find dirt and grit in the filter after a short time. ..
Either the tank, etc. wasn't cleaned out or more dirt has entered the tank since, either from more dirty fuel, from dirt ingress into the tank while the car is in use or the third possibility is something is wearing rapidly and the dirt is appearing in the tank to be recirculated after being sent along the fuel return line. If this is what is happening it throws suspicion onto the high pressure pump...

If the high pressure pump is failing it is surprising one or more of the injectors hasn't failed.

If you got dirty fuel the filter should have trapped everything that was likely to damage the injection system until performance reduced and eventually the engine stopped due to fuel starvation. Replacing the fuel filter with a suitable amount of care should then restore performance to the previous level.

Fuel filters are great for trapping dirt but not so good for other liquid contaminants. Water fortunately tends to remain at the bottom of the tank and the bottom of the filter cavity but other things might pass through the filter - acids, salt solution, solvents.
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I think if my car had the problem your car has I would temporarily fit an inline filter to the fuel return line and drive it for a time. Two things should happen if the dirt is self-generated. The new inline fiter when cut open should show the dirt and grit you usually discover in the main filter and secondly, there should be a reduction in the amount of dirt and grit you find in the main filter, however any dirt at all in the inline fiter means my best advice is to take the car to a good diesel specialist for proper diagnosis and a guaranteed repair.

If dirt is found in the fuel return line there can be no half measures - the business end of the injection system needs surgical-level cleanliness.

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