Question about 1999 Dodge Caravan

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Starting taped the gas tank and it started could this be a relay or my fuel pump

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  • dptrucker71 Jan 15, 2009

    thanks got a used one

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Its the fuel pump

Posted on Jan 13, 2009


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Replce the fuel pump.

Posted on Jan 13, 2009


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I replace my 1994 Toyota 4 runner gas tank with a used gas tank filled it with gas now it wont start why?


Did you use the old fuel pump or was there one in the used fuel tank? If you did use the old fuel pump check your fuses and relays. If the used tank had a fuel pump already in it then the fuel pump may be bad.

Jul 29, 2014 | Cars & Trucks

1 Answer

Will not start will crank will start with starting fluid but when quit spraying eng quits


`Probably the fuel pump in the tank has stopped working. Verify with a check for power at the gas tank connector: When the engine is cranking, the fuel pump wire should have power on it-use a test light or voltmeter. If the wire has power, but pump will not turn on, the gas tank will have to be removed to replace the pump.
Just by turning the key to on, not start, will or should cause the fuel pump to come on for about 2 seconds to pressurize the fuel lines and put gas under pressure against the fuel injectors. If you don't hear the pump buzz on for a brief time, you know you need to check the fuel pump circuit. Check fuse, check fuel pump relay...but the easiest way to verify a bad pump is to check fuel pressure, or check for power at the gas tank when the engine is cranking. No power is a fault in the circuit (fuse, relay, wiring), power available to the pump but no pump means the pump will have to be replaced .

Oct 17, 2013 | 2001 Ford Windstar

2 Answers

1991 chevy cavalier- stopped running going down road. Replaced fuel pump and fuel pump relay-ran for two weeks and the when making a stop,cut off again and won't start and is blowing the fuel pump fuse...


Sounds like a short between the fuse panel and the fuel pump relay. This can be from the fuel pump relay itself through an exposed bit of wire, or even a defective relay which seems to happen more than most times. Check the wiring to the relay and wrap or tape anything where bare wire may be exposed. Disconnect relay and try a new fuse. IF the fuse doesn't blow, then the problem source is the relay itself that is defective.

Hope this helps!
Chip

May 31, 2010 | 1991 Chevrolet Cavalier

2 Answers

Car won't start after it seemed like it ran out of gas. still have half a tank of gas. Where is the fuel pump located on a 96 honda accord?


The fuel pump is located inside the fuel tank itself. Remove the back seat and if you are lucky you can see the pump and remove it. Else you have to remove the gas tank from the car body then you can see and remove the pump. make sure you empty the tank before removing the gas tank.

Apr 10, 2010 | 1996 Honda Accord

1 Answer

Will not start when hot. starter makes no different types of noise.


hello. perhaps I can assist you.

Perform this test:

Fuel pump test:

1. Get yourself a helper.

2. remove the gas cap.

3. have one person listen in the gas tank at the gas cap opening.

4. have the other person turn the ignition switch to the ON position ONLY so as the dash lights come on. Do NOT attempt to start the engine.

5. As soon as the ignition key is turned to the ON position, The person at the gas tank should hear the fuel pump run for TWO SECONDS and then it should STOP.

6. Does it ?.


If you do NOT hear it run, in most cases the fault is the fuel pump relay or the fuel pump..


As soon as you turn ON the ignition switch to start the engine a 2 second ONLY battery voltage signal is sent from the computer to the fuel pump relay and from the relay back to the fuel pump in the fuel tank. This runs the fuel pump for ONLY 2 seconds of which pressurizes the fuel system in preparation to start the engine.

Once the engine starts, The computer BYPASSES the fuel pump relay and sends constant contionous battery voltage from the computer to the oil pressure switch of which is now CLOSED because the oil pressure is UP because the engine is running. Therefore the battery voltage flows thru the oil pressure switch back to the fuel pump to run the fuel pump constantly until you turn OFF the engine.

Oct 01, 2009 | 2003 Cadillac CTS

1 Answer

Dodge caravan turns over wont start all lights work


possible bad fuel pump. check fuel pump relay under hood. drivers side fuse panel. swap fuel pump relay with another identical relay to rule out possible bad relay. listen for whining sound back by fuel tank. the fuel pump is in the fuel tank. Another option....you can also check the pressure in the fuel rail, but be careful not to squirt gas in your eyes or face.

Aug 26, 2009 | 2000 Dodge Grand Caravan

3 Answers

Where is fuelpump on 2003 crown vic police intercepter


Dear cdkkks,

Replacing a fuel pump in modern cars requires some preliminary electrical, fuel test analysis work. I have noted some professionals indicating you need to run car until gas lines, tank is empty; more than likely, if your fuel pump is defective, you cannot start the car, car is unoperative; you will attempt to start car, starter will turn the engine over rapidly without starting, let's assume you are in this condition.

First we need to test the fuses and fuel pump relay, basically the electrical opportunities on your vehicle, the relay panel is on the fender well, driver side, lift the relay control assembly from the fuse center and press the tab on the end, push down and this will release relays from the cover. This relay control panel includes the PCM power relay (left side in original position) Fuel pump relay (Center) this is the relay you are concerned with and the Air Conditioning relay on (Right). If you have friends, or associates who have electrical equipment to test the fuel pump relay, utilize their help, some automotive shops will provide this service. Checking the relay circuit with a jumper wire, any scrap piece of wire, 16-18 gauge will do; as you are looking directly down at the relay opening, you will note an opening at the 6:00 and 12:00 clock positions, 6:00 is the positive, 12:00 is the neutral, volt meter set for volts will confirm. Open the gas cap from the fuel tank filler pipe, insert the jumper wire and carefully listen for a whirring sound. If there is no sound and you have confirm electrical pump fuses, fuel pump relay is working properly (Voltage is pressure, battery voltage and slightly less voltage at the relay circuit when ignition key is turned on) then we have couple more checks to perform before we replace fuel pump. Let's check the fuel rail pressure on your Ford Crown Vic, obtain a fuel compression gauge with a Ford Schrader valve adapter, check to verify that no fuel pressure exists. If "NO" fuel pressure exists, and we have confirmed the voltage integrity of relay/fuel pump circuit, then we are ready to remove fuel pump. Use a simple gas siphoning kits from your local auto parts outlets to safely remove all remaining gas from gas tank, use appropriate gas tanks to store fuel; safety is the key here, gas and gas fumes are extremely dangerous; use appropriate chemical/gas gloves when siphoning/handling gas.

(A) Park your Crown Vic, perferably in a garage, concrete floor and make sure there is enough room around the back of the vehicle for you to work and move tools around.

(B) Raise the back of your car using a floor jack and support it safely on wheel/jack stands; remember, the driver side rear wheel must be removed in order to remove the fuel tank filler pipe, place your wheel stand (supplement with 2 by material for proper height on frame,slightly forward of rear wheel); safety is the key issue here and I cannot overly emphasize this issue, heavy wheel stands should be supporting the right rear wheel and frame, slightly forward of rear wheel, driver side).

(C) Disconnect the fuel tank filler pipe and the fuel pump connector located above the cross member underneath the vehicle, you must remove the (3) screws on the topside (fuel tank fiiler pipe) and approximately (4) screws on the bottom side, and the (1) screw adapter plate where the fuel tank filler pipe is inserted into the gas tank, top of wheel opening, underneath the vehicle. After these connections are removed, push the fuel tank filler pipe further into the fuel tank, allowing you additional room to lower the filler pipe from it's current position, downward; once you have sufficient clearance, twist, turn left, slightly back and forth movements and carefully pull outward, removing the filler pipe from gas tank. Do not damage the rubber groment in gas tank as you remove the filler pipe. As a note, when you reinstall the filler pipe, insert small amount of vasoline on filler pipe end that is inserted into the gas tank to facilitate the installation process.

(D) Support the fuel tank with a jack and remove the nuts from the holding strap using a wrench or ratchet and socket. Move the strap away and slightly lower the fuel tank in order to disconnect the vapor tube from the tee connector on the right and the vapor line from the canister tube. Discard the fuel tank mounting studs and replace with new fuel tank mounting studs on the reinstallation process.

(E) Unplug the pressure transducer electrical connector located on the top rear corner of the fuel tank.

(F) Clean area around the mounting fuel pump mounting flange. Remove/disconnect the fuel lines attached to fuel pump mounting flange then remove the fuel pump mounting flange mounting bolts in a crisscross pattern.

(G) Lift the fuel pump assembly off the tank. Replace the new fuel pump in the assembly and install the assembly in the tank. Install the flange screws and torque to approximately 89 inch lbs using a crisscross pattern. If no torque wrench is available, tighten to a snug fit and stop.

(H) Afterwards, raise the fuel tank enough to attach fuel lines and vapor lines indicated above, item D. After connecting all lines, raise tank with floor jack to its original position "carefully" and utilize the new mounting bolts, securing straps in their original position and torque bolts to approximatlely 25-30 lbs torque.

(I) Install the fuel tank filler pipe per the aforementiond process reversed.

(J) Review your connections and then carefully lower the vehicle, use a gas container, input 4-5 gallows of gas and start the engine and check for leaks.

Wishing you the very best,

drprice

May 16, 2009 | 2003 Ford Crown Victoria

1 Answer

Fuel pump not coming on


fuel pump operation on your impala is controlled by the computer. It activates the fuel pump relay when ignition is turned on, but only for a few seconds. This is called the fuel pump prime. When the computer senses a crank signal (upon start up) it will activate the fuel pump relay constant. I have found more problems with the fuel pump relay than anything. Vapor lock will not cause a no start unless it is in the fuel lines. GM systems use the manifold air temp sensor to allow for quick starts when hot......increases fuel injector on time. An intermittant fuel pump relay or bad pump will cause a no start any weather.

Jul 09, 2008 | 1995 Chevrolet Impala

2 Answers

1995 Plymouth Acclaim Won't Start


It is most likely the fuel pump. pouring gas down the throttle body will not start it, it will just flood it. try spraying a carb cleaner in the throttle body in short 1 or 2 second bursts while some one else cranks it, it should start.

May 22, 2008 | 1995 Plymouth Acclaim

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