Question about 1992 Honda Accord

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2007 honda accord diesel cuts out then takes ages to start,also goes into limp mode,states fuel rail pressure on diagnostic,had injectors tested,had new high pressure fuel pump,had new filter and hous

It runs fine if u take yr time for a while but if u boot it it cuts out and stops then cranks for ages to start

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  • Honda Master
  • 45,531 Answers

Replace the high pressure pump with a known good normal pressure pump and see if it fixes the problem. Fuel systems are built around a pump supplying enough fuel to maintain operating pressure . There is a pressure regulator that keeps the pressure steady and a pressure sensor switch that turns the pump on and off as required . Pressure can only be generated when the fuel supplied exceeds the flow requirements and all units are built to suit the requirements of the system. By adding a high pressure pump that means that there is far more fuel than is required and it is possible that the pressure regulator is incapable of unloading sufficient fuel to accommodate it . Therefore the injectors will be getting more fuel than required and so the whole system goes to pot.

Posted on Mar 29, 2014

  • 1 more comment 
  • ian watkinson
    ian watkinson Mar 29, 2014

    could it be an electrical fault

  • ian watkinson
    ian watkinson Mar 29, 2014

    its had new high pressure fuel pump and injectots tested

  • ian watkinson
    ian watkinson Mar 29, 2014

    it has also been to honda,technical diagnostic was two things,injectors,fuel rail

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SOURCE: 1991 honda civic wont start...

try checking the main relay



view larger picture

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Posted on Jul 10, 2008

HondaAl
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SOURCE: '95 Honda Civic EX will not start after cleaning fuel injectors

I would talk to who cleaned the injectors, I don't know if it something they did or not. It could be a stuck open injector. The exhaust would have a raw fuel odor if it was. What it sounds like is a blown headgasket, which can just happen. The exhaust would have a sweet smell to it. Usually starts as a small leak (between cyl. 2 & 3), the engine burns the coolant while driving which you don't see. Then the coolant level gradually drops to a point where the car overheats, which warps the head, causing a large leak. Now you see the coolant burning (white smoke).
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Posted on May 12, 2009

Testimonial: "Thank you so much for your help. I did find out the problem. I had a bad distributor cap and rotor. Got it fixed and now the car runs fine."

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SOURCE: 1991 Honda Accord cranks but will not start

I think you should check the air filter or air intake. It seems like it's not gettin and air to start since when you spray the starting fluid it's runs but stop and it stalls. I think that it's the air supply for the car.

Posted on Aug 08, 2009

  • 215 Answers

SOURCE: 1995 honda civic d15b7 cranks but wont start. new

Are you sure you have correct timing? its definetly a fule problem, if timing is good then turn your key to the on position and try to listin for the fule pump to prime. While the key is in on position go to fuel rail, there is a valve on fule rail called sharader valve. Get a small screw driver and press valve in to check if car has fule pressure. if pressure is present then it is incorrect timing or possible bad cam sensor.

Posted on Mar 01, 2010

ftw1952
  • 10319 Answers

SOURCE: 2001 honda civic ex,wont start, no injector pulse,

Injector pulses are sent from the engines computer. Have that checked out

Posted on Apr 07, 2010

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Astra randomly cuts out at lights and engine May be sluggish,randomly code is P0093,FUEL RAIL SENSOR?


This diagnostic trouble code (DTC) is a generic powertrain code. It is considered generic because it applies to all makes and models of vehicles (1996-newer), although specific repair steps may be slightly different depending on the model.
When the computer sets this code it senses a large fuel leak in the high pressure section of the engine. The ECM in a diesel always monitors and controls the fuel pressure from the fuel injector pump to the injectors as long as the engine is running.
To set a code P0093 the ECM must sense a sudden large drop in fuel pressure within the system. This drop in fuel pressure can be internal, external or caused by a faulty sensor signal to the ECM.
When this happens, the ECM sets the code, goes into fail-safe mode which will suspend the fuel injector pump operation and allow one minute to pull over before it shuts the engine down. It will remain in fail-safe mode until the key is off.
The engine may run again but investigate the problem first. This problem will not correct itself or go away. The engine could shut down at any time or speed.
Unlike gasoline engines with fuel injection pressures of 30 to 50 PSI, diesel engine fuel pressure runs up in the Megapascal range, from 4,500 to 30,000 PSI. It takes very high fuel pressure to force fuel into the high compression cylinder of a diesel.
As you progress in diagnosing the problem be always mindful of the fuel pressure when the engine is running. It is ridiculously high! You have a code P0093 stating there is a large fuel leak in the system. Use caution when sticking your nose under the hood of a running engine with this code, or wrenching on the fuel system.
Symptoms Symptoms of a P0093 diagnostic trouble code may include:
  • Code set and malfunction indicator lamp illumination (check engine light)
  • Engine will enter fail-safe mode and shut down within one minute
  • Possible large loss of power above idle
Causes Potential causes for this DTC include:
  • Fuel injector failure
  • Fuel line common rail leak
  • Fuel pressure sensor malfunction
  • Fuel pump or lift pump failure
  • Fuel heater constantly on
  • Fuel temperature sensor failure
  • Leaks at any point in the high pressure circuit
  • Electrical connector corrosion or seating problems
  • Fuel pressure regulator malfunction
  • Fuel filter plugged dropping the fuel line volume
  • Injector pump leak
  • Fuel control actuator failure
  • Cascade overflow valve malfunction
  • Short in the electrical harness at the injectors or to the ECM
  • Fuel pressure limiting valve
  • ECM failure
Diagnostic Steps & Possible Solutions
  • Start with the engine off and doing a walkaround inspection for obvious fuel leaks between the fuel tank and the engine.
  • Lift the hood and check the oil and level. If the oil level has risen, smell the oil. If it is heavily contaminated by fuel, an injector most likely failed in the open position. Do not start the engine again until the oil and filter is changed.
  • Look under the hood for leaks. Start at the injector pump and follow the fuel lines to the fuel injector rail. Look at the injectors for signs of leaks.
  • Pull the electrical connector off the fuel pressure sensor and look for fuel in the connector. A failed sensor will allow fuel up through the sensor into the connector.
  • Check when you last changed the fuel filter. A plugged fuel filter will drop the volume enough to set the code.
  • Check all electrical connectors on the sensors and wiring harness to the injectors for missing insulation, corrosion or loose connections. If no obvious leaks have been found, go online and look up the TSBs (technical service bulletins) for your year and make vehicle. Diesels have no lack of problems as the TSBs will indicate.
Look for the code and associated repair procedures and probable causes. Chevy and Dodge reads like a book. The TSBs will include recalls on various items as well.
Look at your warranty. Most diesel engines have long warranty periods for various items. Many cover injectors for 7 years or better and 200,000 miles.
The dealer is the next step if no deficiencies are found. Checking the fuel pressure and the operation of the ECM takes special tools for a diagnosis.
Tip: Diesels outlast a normal gasoline powered engine when properly serviced. But they demand service at specific intervals to operate properly. There is no free lunch with these. Do not use any seals or gaskets that are not OEM. The pressures and temperatures call for the use of certain materials resistant to these temperatures and pressures.

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1 Answer

2007 honda cr-v diesel starting problem


Hi Francis
Ii advise you to get a back leak test and fuel rail pressure check by expert,
the problem that you have is low fuel pressure, probably caused by injector/s back leak.
Good luck

May 26, 2015 | 2007 Honda CR-V

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Can't prime my saanyong musso diesel


If vehicle has a MERCEDES MOTOR fuel distribution comes via common rail system, diesel is drawn from tank by high pressure pump and fed to injector rail. FOR any reason if rail pressure drops injectors will not open .Possibility that fuel line has air lock or leakage. Diagnostic equipment will be required to solve certain engine management malfunctions.

Dec 24, 2014 | Cars & Trucks

1 Answer

2007 honda accord diesel


This is one for the dealer/shops Ian. The Honda diesels are a bit more involved than say an old Cummins. lol I would let them test it with the latest hardware. Also there are some Service Bulletins out on them too. And of course Honda has all the latest of those too. Honda doesn't release anything up-to-date to public/independent shops. To get the latest and greatest, ya gotta go to Honda. Good luck

Mar 28, 2014 | 2007 Honda Accord Sedan

1 Answer

Cant find the diesel pump relay


it does not have a electric fuel pump the fuel pump is mechanical and is driven by the timing chain, it is a 2 stage pump 1st stage is the low pressure side which draws fuel from the tank 2stage is the high pressure side which supplies very high pressure to the common rail for electronic controlled injectors you have to bleed the low pressure side by drawing fuel up to the filter using a vacuum source or similar if you have changed the filter etc do not try and start the engine until you have done that or you will draw air in the high pressure side and to bleed that you will have to loosen the injector pipes and crank the engine to purge the air but once undone you should replace the pipes according to jaguar due to the very high pressures in the system for safety reasons

Apr 12, 2013 | 2005 Jaguar X-Type

1 Answer

Have a 2007 mitsubishi L200 4D56 command rail engine that will not run. The only way I can make this engine run is to unplug the pressure sensor located on the end of the fuel rail. Even then, it will only...


In your case the pressure sensor is faulty and needs to be replaced. 1) Stores pressurized fuel (25 to 180 MPa) that has been delivered from the supply pump and distributes the fuel to each cylinder injector. A rail pressure sensor and a pressure limiter valve are adopted in the rail. 2) The rail pressure sensor (Pc sensor) detects fuel pressure in the rail and sends a signal to the engine ECU, and the pressure limiter controls the excess pressure. This ensures optimum combustion and reduces combustion noise. ---- Rail • The rail is mounted between the supply pump and the injector, and stores the high-pressure fuel. --------- Injector:-------- • This injector replaces the conventional injection nozzle, and achieves optimal injection by effecting control in accordance with signals from the engine ECU. Signals from the engine ECU determine the duration and timing in which current is applied the injector. This in turn, determines the quantity, rate and timing of the fuel that is injected from the injector. ------------ Rail Pressure Sensor (Pc Sensor) 1) The pressure sensor detects the fuel pressure of the rail, and sends a signal to the engine ECU. The sensor is made from a semiconductor that uses the Piezo resistive effect to detect changes in electrical resistance based on the pressure applied to the elemental silicon. In comparison to the old model, this sensor is compatible with high pressure. ---------- There is a service manual for how the fuel rail sensor and fuel system works.Its for mitsubishi L200 4D56.----------- Click this link for referring the service manual:--- http://technoanswers.blogspot.com/2011/06/service-manual-for-mitsubishi-l200-4d56.html ----------- This should help.thanks.Helpmech.

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Error code P0093, no fuel leak, filter changed twice, no particle filter -option on my 2001 gmc sierra duramax diesel. goes into limp mode under regular use and especially when towing 28 ft 5th wheel. have...


Sounds like one of your injectors are failing, the same thing hapened to me, the symptoms of injector failure are shown as fuel leak, its worth letting an injector specialist check it.

May 13, 2010 | 2001 GMC Sierra 2500HD

1 Answer

Injectors for 1989 honda accord removing and installing


Detach the cable from the negative battery terminal (if you have an anti-theft radio, make sure you have the code to reactivate it.).
Relieve the fuel pressure (take the gas cap off, and loosen service bolt at the top of the fuel filter; you will need two wrenches for that, on to hold the fitting and the other to loosen the nut; make sure you have a towel or something to catch the gas spill). You could, instead, just SLOWLY loosen the pressure line at the right end of the fuel rail (facing the car).
Remove the air cleaner assembly (take the top off, take out the filter, detach all hoses, take out retaining bolts, and remove).
Unplug the injector connectors (CAREFULLY detach the clips first; just pry them back out of their notches; try not to pop them off and drop one, they are hard to find once dropped).
Detach the vacuum hose and fuel return hose from the fuel pressure regulator (left end of the fuel rail, if you are facing the vehicle)
Detach the two ground cables from the intake manifold (in the middle, under one nut)
Detach the fuel lines (already did left one; detach the pressure line at the right end of the fuel rail).
Remove the mounting nuts (four) and detach the fuel rail and injectors from the intake manifold.
Remove the injectors from the fuel rail and remove and discard the seal rings (top and bottom; the second ring down on the top is the cushion ring and does not need to be replaced, but it is recommended. Most kits contain them)
Coat the new o-rings with fresh oil and slip them on the injectors (or, if you are replacing the injectors they probably came with o-rings on them. Just coat them with oil)
Place each injector into its corresponding bore in the fuel rail (doesn’t matter which is which if you are replacing them all).
Coat each new bottom seal with oil and press it into the injector bores in the intake manifold.
Install the injector and fuel rail assembly on the intake manifold. Make sure the centerline of the electrical connector on each injector is aligned with its corresponding mark on the intake manifold (little arrows, I think). Tighten the fuel rail nuts to the specified torque (17 lbs)
Reverse removal procedure for the rest.
After all is done, turn the ignition on, but do not start the car. This will build up pressure in your fuel lines. Do that two or three times, then check to see if you have any leakage around the injector, or other fittings, before you start the car.
Then you’re done.
Hope this gets you through it.

Nov 08, 2009 | 1989 Honda Accord 4 Door

2 Answers

I have a 91 honda accord.


Did you try changing the fuel filter? Also check the fuel pump when the problem is happening.Find what the fuel pressure should be in a repair manual for your year make and model.Put a fuel pressure guage on the test line and you will find if the fuel pump is defective.

Jul 23, 2009 | 1991 Honda Accord

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