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Re: How do I disconnect the electrical wire and fuel line...
You just need to disconnect ground - wire from battery and you can choose one of the hoses on the fuel filter, put a oil pan before disconnect this hose... that's enough!
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Question edited for clarity. Please always quote DTC Codes in full. '129' is not the same as 'P0129'. Single numerical codes are usually computer communication codes.
Question moved to model category.
When you did all this work, did you disconnect the battery?
Did you reset the security system and engine immobilizer?
Is the anti-theft light flashing, flashing fast or on steady?
I can provide you with a general fuel line system diagram for a 2006 Dodge Grand Caravan with a 3.8L engine. However, keep in mind that the specific layout of the fuel lines in your vehicle may vary depending on the trim level, optional equipment, and other factors.
Here is a basic diagram of the fuel line system for a 2006 Dodge Grand Caravan with a 3.8L engine:
Fuel tank Fuel pump Fuel filter Fuel pressure regulator Fuel rail Fuel injectors Throttle body The fuel tank stores the fuel for the vehicle. The fuel pump, located in the tank or along the frame rail, pumps fuel through the fuel filter, which removes impurities and debris. The fuel pressure regulator helps maintain the correct fuel pressure in the fuel rail, which supplies fuel to the fuel injectors. The fuel injectors spray a fine mist of fuel into the intake manifold, which is then drawn into the engine through the throttle body.
I hope this information helps! Let me know if you have any other questions.
Fuel pressure switch ???? Fuel pump relay maybe , no fuel pressure switch . Looking at a wiring diagram for the fuel pump electrical circuit too see what all is involved an then using a DVOM - digital volt ohmmeter to test the fuel pump electrical circuit is how to find the problem . https://www.youtube.com/watch?v=Rqtfrx-HeD0&t=8s
disconnect all fuel lines, vacuum lines, electrical connections at the fuel tank. disconnect the fuel filler tube, then support the fuel tank as it will be heavy, unbolt the fuel tank straps and lower the fuel tank. clean the top of the tank so no dirt falls into the tank. undo the tank unit lock ring and remove the tank unit(fuel pump assembly).
You have a fuel pump relay that sends power to the fuel pump. Do you hear the fuel pump turn on when you start the van? If not then check the relay. sometimes you can have someone tap the top of the relay while the key is being turned. If it starts then change the relay. about 10$ from rockauto.com.
To replace the fuel pump
you must remove the fuel tank disconnect hoses connecting the tank,
disconnect the battery and remove all the fuel to facilitate the
assembly you ... Thanks
Ok to
change the fuel pump off the battery ensures that the fuel tank has just
disconnect the hoses coming out of the tank, disconnect the hose where
the tank is filled, disconnect the electrical cables that connect the
gas pump and you can download the tank ... Thanks good luck .......
Leak detection pump switch or mechinical failure:
You were in the area of the ldp solenoid. ts a electrical switch with 2
wires and 2 vacuum lines connected to it. I would follow those lines and
make sure the one that goes to the manifold is still hooked up and that
you have vacuum to the solinoid. The other line makes its to nvld which
is mounted below the steering gear. But first it will go under the air
cleaner housing. It will have a plastic or steel line with a rubber hose
juction in a couple of places. The rubber hoses will crack and leak and
could be the cause of your problem. But retrace your steps to make sure
you didn't knock any lines loose.
its in the gas tank disconnect the fuel line try to empty the gas tank because its easyer to handle disconnect the gas line and strap put the gas tank down on top of gas tank remove the lock and there it is good luck pierre
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