Question about 1998 Chevrolet Malibu

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I JUST REPLACED THE I9NTAKE ON MY 1999 MALIBU 3.1 V6 M ENGINE. WHEN ASSEMBLING I CROSS THREADED THE RETURN FUEL LINE ON THE FUEL RAIL. PLEASE TELL ME HOW TO REPAIR THIS WITHOUT BUYING A NEW FUEL RAIL. IS THERE A SPECIAL REPAIR FOR THIS. THANK YOU JERRY SORRELL jsorrell1948@yahoo.com

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They do make some tools to repair the threads.It is a thread chaser.You can try this or what you can do is go to the local salvage yard and get a used fuel rail.This is probably a better fix because you don`t want any fuel leaks.This could cause and engine fire.Make sure you check it for leaks before driving it.Hope this helps.Good luck.Let me know if you need more help.

Posted on Feb 01, 2010

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1 Answer

Where is the fuel return line?


if you look under the bonnet at the engine, look for the fuel injectors, or the fuel rail that the injectors get the fuel from and clip into, the injector will have the wiring clip coming from the main engine loom. if you manage to locate the fuel rail it has a pressure regulator , which will look usually round with a vacume line coming off it as well as a fuel line that fuel line is the return line follow it back to where it turns to a metal line usually will be clipped to the body of the car leading back to the fuel tank . hopefully you will manage to get the information you need from that

Jun 17, 2014 | 1999 Dodge Caravan

1 Answer

What does po442 code on a 1999 pontiac grand am 3.4 v6 mean



Trouble Code: P0442

EVAP System Small Leak (0.040") Detected
Possible Causes:


Charcoal canister is loaded with fuel or moisture . Fuel filler cap is loose, cross-threaded, damaged or wrong part . Fuel tank, fuel filler neck or fuel sending unit 'O' ring is leaking. Fuel tank pressure sensor is damaged, disconnected or it failed. Fuel tank vapor line(s) is clogged, damaged or disconnected. Purge valve vapor line is clogged, damaged, or disconnected. Purge solenoid or Vent solenoid has a small leaking (sticking.) PCM has failed . TSB 01-06-04-007A contains a repair procedure for this code.

Jul 28, 2012 | Pontiac Grand Am Cars & Trucks

1 Answer

1999 Malibu hard start in hot weather, after it starts runs great lots of power. starts when cold in cooler weather.V6 3.1 engine. have gas at rail. changed spark plugs and wires, IAT and ECT sensors also...


this is most likely a fuel vapor issue.

fuel boils in the fuel rail causing a hard start after a 'hot soak'.

the fix is to replace the fuel pressure regulator and the pcm. good- day !!

Jun 30, 2011 | 1999 Chevrolet Malibu

1 Answer

Fuel pressure at rail drops as soon as key off, long crank time starting 1999 c2500 5.3 litre auto trans a/c installed in line check valve close to tank no change no fuel leaks no...


Not positive here but you should have a pressure bypass at the rail where the fuel line and return line hook up. My also have a vacuum line attached.

Nov 01, 2010 | 1999 Chevrolet C2500

1 Answer

LOCATION OF FUEL FILTER 1999 BUICK PARK AVE


It's on the left hand frame rail, in front of the left rear tire.
107125379

  1. Relieve the fuel system pressure.
  2. Raise the vehicle.
CAUTION: Refer to Caution in Cautions and Notices.

  1. Remove the quick-connect fitting at the fuel feed pipe (3).
  2. Remove the threaded connection (2) at in-line fuel filter.
IMPORTANT: Inspect the O-ring on fuel filter outlet pipe for cracks or damage. Replace as required.

  1. Inspect the fuel lines, O-rings for cuts, swelling, cracks, and distortion. Replace the lines as required.
  2. Inspect the fuel return line (4).
  3. Inspect the fuel vent pipe (1).
  4. Drain any remaining fuel into an approved gasoline container.
  1. Remove the protective caps from the new in-line fuel filter.
  2. Install the new plastic connector retainers on the in-line fuel filter inlet and outlet.
Install the new plastic connector retainers in the same position as on the old in-line fuel filter.

  1. Install the quick-connect fitting (3) at the inlet of the in-line fuel filter.
IMPORTANT: Make sure that the O-ring is installed on the outlet pipe before installing the pipe

  1. Install the threaded connection (2) at the in-line fuel filter.
Tighten
Tighten the in-line fuel filter outlet nut to 30 N.m (22 lb ft) using a back-up wrench in order to prevent the nut from turning.

  1. Lower the vehicle.
  2. Tighten the fuel tank filler pipe cap.
  3. Install the negative battery cable.
7.1. Turn the ignition switch ON for 2 seconds . 7.2. Turn the ignition switch OFF for 10 seconds . 7.3. Turn the ignition switch ON 7.4. Check for fuel leaks.


Oct 20, 2010 | 1999 Buick Park Avenue

3 Answers

2000 Malibu Starts then looses fuel pressure I have replaced the fuel pump and the fuel pump relay still same problem


Keep in mind that you have several components there:
- Fuel Pump Sender Assembly,
- Fuel Pressure Regulator,
- Fuel Rail Assembly, and
- Fuel Injectors.

1.- Fuel Pump (Sender Assembly) - TESTING
Refer to the accompanying charts for fuel pump diagnosis and testing.

The fuel injection system remains under pressure, even after the engine has been turned OFF. The fuel system pressure must be relieved before disconnecting any fuel lines. Failure to do so may result in fire and/or personal injury.

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Fig. 3.1L engine OBD system check to be done before fuel pump relay circuit diagnosis


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Fig. 3.1L engine fuel pump relay circuit diagnosis (1 of 2)


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Fig. 3.1L engine fuel pump relay circuit diagnosis (2 of 2)


db78a73.jpg

Fig. View of the fuel pressure test port (Schrader valve)-3.1L engine

A - 3.1L engine fuel system pressure test (1 of 4)
B - 3.1L engine fuel system pressure test (2 of 4)
C - 3.1L engine fuel system pressure test (3 of 4)
D - 3.1L engine fuel system pressure test (4 of 4)

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Fig. The fuel pump/fuel sender module assembly is mounted in the fuel tank


2.-
Fuel Pressure Regulator - REMOVAL & INSTALLATION

(the fuel pressure regulator, which is located on the fuel rail assembly)

NOTE:
Before removing the fuel regulator assembly, place a clean shop towel under the regulator to catch any fuel drips

  1. Properly relieve the fuel system pressure.
  2. If not done already, disconnect the negative battery cable.
  3. On the 3.1L engine, remove the intake manifold plenum, as outlined in .
  4. On the 2.4L engine, remove the fuel rail. Refer to procedure earlier in this section.
  5. Detach the vacuum line from the regulator.
  6. Place a shop towel under the regulator to catch any fuel that may drip out. Unfasten the fuel pressure regulator retaining screw, then remove the regulator by twisting and pulling it from the fuel rail.
  7. Remove and discard the O-ring seal. Inspect the filter screen for contamination and replace if necessary.
To install:
  1. Prior to assembling the pressure regulator to the fuel rail, lubricate the new rail-to-regulator O-ring seal with clean engine oil.
  2. Place the O-ring on the pressure regulator and install the pressure regulator to the fuel rail.
  3. Install the retainer or coat the regulator mounting screws with an approved thread locking compound and secure the pressure regulator in place. Tighten the mounting screw to 76 inch lbs. (8.5 Nm).
  4. If removed, install the fuel rail assembly to the engine.
WARNING The fuel return pipe must be connected before tightening the regulator retaining screw to prevent the regulator from rotating. Rotation of the regulator could damage the retainer and spacer bracket and lead to a fuel leak at the regulator inlet.
  1. Connect the fuel feed line and return line to the fuel rail assembly, use a backup wrench on the fittings to prevent turning.
  2. Attach the vacuum line to the regulator.
  3. On the 3.1L engine, install the intake manifold plenum.
  4. Connect the negative battery cable. Turn the ignition to the ON position for two seconds, then turn it to the OFF position for ten seconds. Turn again to the ON position and check for fuel leaks.

continue...

May 24, 2010 | Chevrolet Malibu Cars & Trucks

1 Answer

How do i change fuel filter


The car will likely have a fuel filter inline from the gas tank to the engine bay fuel rail, possibly on the drivers side just in front of the rear wheel. I replaced the fuel filter on my 1999 Buick in the following manner. Make sure you are grounded so you ground any static and make sure there are no flames near you. You will spill gasoline from the filter.
Remove the filter from the holder attached to the body
Remove the end which has the fuel line clamp. I used a pair of needle nose pliers and pulled the filter out of the line.
Usingt eh appropriate size wrenches, carefully remove the filter. Replace in the reverse order.

Mar 04, 2010 | 1999 Chevrolet Malibu

1 Answer

How to install a fuel line on rear fuel rail (back of engine)


I did this job on my 3.1 about 2 months ago and i forgot to put the ("O") ring on back fuel rail. had a fuel mess!! had to tear down plenum to fix, in my case i lost the o ring on rail and forgot to put 1 on. I had to order 1 from chevy garage, and replaced it. cost 9.00 just for 1 little o ring. mine fit tight also!! see if o ring is ok, and check line. car runs fine!!

Jul 07, 2009 | 1998 Chevrolet Malibu

1 Answer

1993 toyota pickup


Hi! The fuel return hose is the rubber hose that comes from the side of the fuel pressure regulator, the metal thing on the pass side of the engine fuel rail; it screws into the fuel rail, and has a vacuum line at the top, and a big tube sticking out of the side. The rubber line then connects to a metal line, which runs towards the back of the engine. Repost if you need more info.

Oct 09, 2008 | 1993 Toyota Xtracab

1 Answer

Ser.eng.soon flashes code 34 MAP sensor


A code 34 calls attention to the MAF sensor, not a MAP sensor. Try changing that out, first. You might also be having problems with your ignition control module.

Jul 20, 2008 | 1988 Oldsmobile Cutlass Ciera

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