Question about 1995 Buick Riviera

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On the fuel pump, is there supposed to be 2 or 3 lines hooked up to it

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The fuel pump has one the return line to the tank is two and the emmisions hose will be three. That is the fashion they are designed for

Posted on Apr 25, 2010

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I have a 1987 chrysler conquest tsi and fuel pump only runs when key is on start not on run but pump fuel lines not hook only power wires to pump is this how it works?

What does it do with the lines hooked up ? Most fuel injected vehicles need an RPM signal to let the computer know the engine is running to let power continue to the pump .

Feb 04, 2016 | Chrysler Cars & Trucks

2 Answers

Put new fuel pump in tank of 1994 Jimmy. I can hear the pump run but fuel is not getting to the injectors. Is there different pumps that came fo rthis vehicle?

did you change feul filter? some of these will install backwards and will have no there enough feul in tank? did you replace or clean sock at bottom of feul pump

Oct 05, 2010 | 1994 GMC Jimmy

2 Answers

I need to know witch of the three line's go to the fuel pump 1-fuel to engine 2- return 3- vent

They are usually different size fittings and can't be hooked up wrong, the easy way to know is look at the pump, the kinky line that goes into the top of the pump, is pressure. Usually the pressure barb and fitting is the largest, the middle one is evap, and the smaller is return.

Mar 17, 2010 | 1996 Chevrolet Blazer

3 Answers

Replaced the fuel pump fuel filter , no start in my 95 S10 Blazer. add gas will run, untill the gas stops pouring in by hand . new part on top of the throtle body as well, i think it controls th O2 and...

1. Does the pump actually run (key on engine off) pump should run for 2 seconds and go off and can be heard if you listen at the filler neck with the gas cap removed)
pump not running - Check relay (replace if bad) check wiring/fusese

Pump runs... go on to #2...

2. check the gas guage. is the gauge reading in the normal area it would read in or is it way way off like WAY above full or way below empty? This is a sign the electrical connection at the pump is plugged in backwards and the pump is spinning the wrong way and not picking up the fuel... (This is easy to get plugged in backwards inside the tank when installing the new pump)

3. Check for feed, return and vent lines being installed wrong where they attach to the tank... they can easily be hooked up wrong and fuel is either pumped up in to the return line or pumped in to the fuel tank vent line..

4. check for kinked or crushed fuel lines from tank to engine.

5. check fuel pressure regulator to be sure its not stuck open.

Jul 13, 2009 | 1995 Chevrolet Blazer

1 Answer

Engine will not crank unless you manually pour gas directly !

If car cranks his way but does not start 1 check your fuel filters for blockage. 2 check fuel lines make sure they are clear. If still not starting 3 replace fuel pump

Jul 11, 2009 | 1998 Chevrolet Malibu

1 Answer

What is the range that the fuel lines should have when hooking up a fuel pressure gauge to the fuel lines on a 2001 chevy s-10 ZR 2

You want to make sure you are hooked up to the pressure line. This is the larger of the two lines. Depending on the engine pressure is in the vicenity of 29-36 psi or can be 9-13 psi. The fuel pump is in the tank and these trucks have wiring issues.
What is your exact problem?

Jan 15, 2009 | 2001 Chevrolet S-10

3 Answers

Remove fuel pump from 97 powerstroke

Remove the plumbing that hooks the turbo to the intake make sure not to loose the square cut oring that hooks to the turbo on th y pipe. Remove the fuel filter housing there should be 3 or 4 fuel lines that need removed. Then there will be a icp solenoid that needs the connector removed. And I think one plug that hooks all the wiring on the fuel housing to the main harness. There will be 2 13mm bolts holding the housing down to the engine. You should be able to wiggle the housing and slide it forward some make sure you get some new fuel lines while your doing this as well I think its 3/8 fuel line make sure you cut them same length as original. Go ahead and get new clamps. Once you got the fuel filter housing out the way you can get to the bolts on the fuel pump. I used to take a cutting disk to the turbo pedistal but I ended up taking a wrench I think its like 1 1/4 wrench (not for sure) I took the wrench and cut it in half. Grinded the box end for clearance then heated it up and bent it. You then loosen that large banjo bolt on back of the fuel pump take care not to loose the two sealing washers I usually just slide to bolt back and leave it there. Then take the 2 bolts loose that bolt it to the block. Take a heal bar and pop it up. When reinstalling the pump if you cant get to bolts over cause the cam is holding the pump up you may need to turn the motor over so it slides down easier. Then start the 2 bolts leave em loose so that you can start the big banjo bolt. The put you new fuel lines on the fuel filter housing with new clamps reinstall that hook up the electrical connections. When you get ready to put the y pipe on make sure and use some brake clean to wipeout the residue on the orange rubber hoses. You may need to add some grease or vaseline to hold the square cut oring on the turbo then reinstall the y pipe. Sit back look it over make sure its hooked up good give it a start and then verify no fuel leaks. You will need a long flat blade screw driver to get to some of the clamps.

Jan 01, 2009 | 1997 Ford F350 Crew Cab

1 Answer

How do you put in a fuel pump for a thunderbird

Easy enough fix to do yourself. There are 2 bolts that hold the fuel pump onto the engine. Remove and plug the fuel lines. Remove the 2 bolts holding the pump to the engine. Remove pump and pull towards you to clear the engine and remove. Remove the fittings to replace them on new pump. Match your new pump to your old pump and make sure the fittings are in the same locale. Replace the rubber hoses. Attach the gasket to the pump with adhesive. Slide the pump into place making sure the actuator arm is under the eccentric. Replace the bolts, hook up the fuel lines, and test. Make sure you have no leaks.
dziglar; make sure the metal lines are not cross-threaded, or over tight to crack housing.
Hope this helps; Thanks and please rate me high;
RPM Northwest

Jun 08, 2008 | 1983 Ford Thunderbird

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