Question about 1994 Ford Taurus

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FUEL SYSTEM WHEN YOU STAT ENGINE HAVE TO DEPRESS FUEL PETAL ALL THE WAY TO THE FLOOR. THEN WHEN YOU TAKE OFF THE ENGINE IS REAL SLUGGISH AND HAVE TO FEATHER THE FUEL PETAL ANY ADVISE

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HI, i would start by replacing the fuel filter and pump as well. this will be a good starting point to address the fuel distribution issue you are having. i would also recommend checking the air filter. if its dirty, replace it asap. Next, i would check the wires and plugs. replace the wires and plugs if found to be faulty or fouled.

Posted on Jun 15, 2009

  • Michael Masters
    Michael Masters Jun 15, 2009

    If your check engine light is on, i suggest taking it to a local auto zone for a diagnostic scan on the pcm/ecm. this is a free scan and, it will pull any trouble code that may be stored. this will help further if this issue continues after the suggested replacements above.

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No power in engine when driving gas petal to floor and no power


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The starting technique you're referring to is not used on late model vehicles because of the fuel injection systems used. If you have a carburetor, when you press the accelerator pedal down, you're adding a lot (more than needed) of fuel mix to the engine. When it does fire up, what you're smelling is unburned fuel. Vehicle fuel is too rich at that point.


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I have replaced my timing cover on a 95 ford thunderbird 3.8 vin 4. Now its real sluggish on take off...real bad when cold not so bad after warm up....timing a tooth to advanced????


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Also, the accumulator is a likely place to begin, particularly because you say that it's only the first start that has hard cranking. A properly-functioning accumulator keeps the fuel system pressurized enough to open the injectors without a lot of cranking. If pressure bleeds off due to a poor accumulator, the fuel pumps have to run a while in order to re-pressurize the system, hence, long cranking times. The quick test is to cycle the ignition key 3-4 times before you attempt to start the cold motor so that the pump runs each of those times and is allowed to build up some fuel pressure before the engine is started. If that test helps, you've identified a fuel pressure problem, almost certainly the accumulator.

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I have to pump the throttle several times and then it starts sometimes and sounds like backfireing allthough its feul injected!


'pumping' a fuel injected engine is NOT like the old days (like with a carb)-if you hold the petal to the floor, it shuts off the injectors-NO petal, the injectors pulse (and dump fuel to an engine that is slow to start). If you are having hard starting, chances are good you have a flooding condition-leaking injectors, leaking O-rings, a damaged fuel pressure regulator could all be re3asons for your hard starting (and backfiring from a flooded engine). You should try to HOLD the petal to the floor and see if that helps-if it does, you should get the fuel regulator checked, replace the injector o-rings, check fuel pressure and might even need to consider replacing injectors themselves (or having them cleaned).

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I just changed all 4 discs and pads. I have pumped and pumped the brake pedal and bled the system to no avail. I still can't get the petal to firm up. When engine is off, I can quick pump the petal...


If the system was fine before you changed the discs then it is most likely that the system has air in it or you have a leak at one of the cylinders. Double check your work, inspect the cylinders for leaks. on the rears you can pull the handbrake on and off a few times to adjust the rear pad position.

Bleeding is done one wheel at a time. Start with the wheel furthest from the master cylinder and work your way closer ( RRear, LRear, RFront, then LFront). The order is not really that important since they are on separate circuits on modern cars with ABS systems. But there is no reason not to stick to the tried and tested method. Keep the fluid topped up and if possible use a clear pipe on the nipple of the cylinder you are bleeding so that you can see if there are air bubbles in the system.

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3 to 5 seconds is not really excessive. You might, however, want to try this...depress the gas petal to the floor then turn the ignition while slowly raising you foot off the accelerator. If this helps start the car the check engine light is probably indicating an oxegen sensor problem.

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