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    Thread: Significance of DTC Code 0089 and diesel filter change.

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      Significance of DTC Code 0089 and diesel filter change.

      I had gone for a diesel filter change which I do once a year. 1 km and less into the drive after the change of filter this code comes up in my phone. Next to the code in the phone was written "SUCTION CONTROL VALVE STUCK". The car stalled completely in about 20 meters. Called up the service center at Alwaye and got the reply that I should tow it back to the service center and that they would send the tow vehicle since it was under a km. Check out the net on the phone for the code and the advice was to purge the air from the fuel line. Now how do I purge air from the fuel lines sitting in the blistering hear at 2pm in the afternoon. I did the next best thing and that is pray and tried to start the car once again. It did start promptly but the needle would not cross 2000rpm. Limped back home instead of the service center since I felt I would know more than those guys at the service center who caused the problem in the first place.

      I shall copy and paste the information I gathered from the net. All are pertaining to code 0089.


      Diagnostic trouble code P0089 - The ECM commands the Bosch high-pressure fuel pump to deliver a specific fuel rail pressure - that can vary up to 23,000 psi depending on load and speed. The actual pressure is monitored via the fuel rail pressure sensor. If the fuel rail pressure varies more than desired or if commanded fuel pump flow is 100mm3/second or less, DTC P0089 will set.

      Corrective action includes measuring the fuel rail pressure using a Tech II scan tool, then compare that to commanded fuel rail pressure with the engine running at 2000 rpm. The difference must be less than 20 Mpa.

      A blockage in the fuel tank or plugged fuel filter could cause this fault (excessive vacuum in fuel line). If there is less than 5 in Hg of vacuum when measured at the fuel pressure test port at 3000 rpm, the fuel pressure regulator could be defective, and may need to be replaced. The fuel pressure regulator (FPR) is a sub assembly located on the Bosch high-pressure fuel pump.

      Should a customer express concern about loss of power, poor driveability or malfunction indicator lamp (MIL) is illuminated and the DTC P0089 is present then the fuel pressure relief valve (PRV) will have been activated.
      The PRV is a safety device that is activated as a result of excessive fuel rail pressures and the cause of the high fuel rail pressure must be diagnosed to enable the correct repair first time and prevent repeating the PRV activation event.

      Failure to clear the PRV counters may result in P0089 and or P116E DTCs being active causing a warning light to be on. IDS will be unable to clear these DTCs until the counters are reset. Use IDS 63 DVD or a later version.
      If P0089 and not one of P116E, P1250 or P121C are present then the PRV activation will most likely have been caused by the control system response to air in the fuel.

      P0089 Chevrolet
      P0089 Chevrolet - Fuel Pressure 1 Control Performance
      PDF
      0 P0089 Chevrolet Comments | Add Comment
      Possible causes
      - Faulty fuel pressure sensor
      - Fuel pressure sensor harness is open or shorted
      - Fuel pressure sensor electrical circuit poor connection
      - Faulty Engine Control Module (ECM)
      Help with Possible causes What does this mean?
      When is the code detected?
      If the fuel rail pressure sensor indicates a pressure more than 20 MPa greater than desired, diagnostic trouble code (DTC) P0089 will set.
      Possible symptoms
      - Engine Light ON (or Service Engine Soon Warning Light)
      P0089 Chevrolet Description

      The Engine Control Module (ECM) uses commanded fuel pump flow to determine a desired fuel rail pressure. The actual fuel pressure is monitored using the Fuel Rail Pressure (FRP) Sensor.



      Code No. P0089: Suction Control Valve Stuck

      FUNCTION


      The engine-ECU monitors the signals input from the rail pressure sensor.
      The engine-ECU monitors the difference between the target fuel pressure and actual fuel pressure to check whether the suction control valve is open or fixed.

      TROUBLE JUDGMENT

      Check Conditions

      Battery positive voltage is 8 - 16 V
      2 seconds later after the ignition switch has been in "ON" position or the engine has started up

      Judgment Criterion

      The actual rail pressure remains higher than the objective rail pressure by 10 MPa or more for a certain interval.

      PROBABLE CAUSES


      Failed suction control valve
      Failed fuel system
      Failed engine-ECU




      I shall now post the information from the .pdf Chevrolet Cruze file.

      DTC P0089


      Diagnostic Instructions

      Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
      Review Strategy Based Diagnosis for an overview of the diagnostic approach.
      Diagnostic Procedure Instructions provides an overview of each diagnostic category.
      DTC Descriptor

      DTC P0089 00: Fuel Pressure Regulator Performance Malfunction

      DTC P0089 11: Fuel Pressure Regulator Performance High Input

      DTC P0089 12: Fuel Pressure Regulator Performance Low Input

      DTC P0089 18: Fuel Pressure Regulator Performance Low Signal Amplitude

      DTC P0089 19: Fuel Pressure Regulator Performance High Signal Amplitude

      Circuit/System Description

      The engine control module (ECM) uses commanded fuel pump flow to determine a desired fuel rail pressure. The ECM monitors fuel rail pressure with the fuel rail pressure sensor. The Fuel Pressure Regulator Solenoid is used to control the fuel pressure at the fuel rail. The Fuel Pressure Regulator Solenoid is pulse width modulated (PWM). The engine control module (ECM) supplies the voltage directly to the Fuel Pressure Regulator Solenoid. The ECM controls the solenoid by grounding the control circuit with a solid state device called a driver.
      Conditions for Running the DTC

      The engine is running.
      The DTCs runs continuously once the above conditions are met.
      Conditions for Setting the DTC

      P0089 00

      The ECM detects that the fuel rail pressure is above the maximum threshold while the pressure is controlled by the fuel rail pressure regulator.
      P0089 11

      The ECM detects that the fuel rail pressure is above the maximum threshold when the pressure is controlled by the fuel pressure regulator.
      P0089 12

      The ECM detects that the fuel rail pressure is below the minimum threshold when the pressure is controlled by the fuel pressure regulator.
      P0089 18

      Positive deviation and set point value of the fuel volume flow through the fuel pressure regulator exceeded concerning set flow of fuel.
      P0089 19

      Negative rail pressure deviation and the set point value of fuel volume through the fuel pressure regulator is less than or equal to the minimum value.
      Action Taken When the DTC Sets

      DTCs P0089 00, P0089 11, and P0089 12 are Type A DTCs.
      DTCs P0089 18, and P0089 19 are Type B DTCs.
      Conditions for Clearing the DTC

      DTCs P0089 00, P0089 11, and P0089 12 are Type A DTCs.
      DTCs P0089 18, and P0089 19 are Type B DTCs.
      Diagnostic Aids

      A restricted fuel supply line, a leakage in the high pressure section, too much or too little fuel in the low pressure line may cause DTCs to set. When ambient temperatures are below 0°C (32°F), the fuel tank pickup screen may be iced over from water in the fuel tank.
      High Resistance in either circuit of the Fuel Pressure Regulator will cause a DTC to set.
      There are no driveability concerns associated with the fuel rail pressure regulator unless a DTC is present. One of the causes of these DTCs is a sticking fuel rail pressure regulator.
      If the fuel system pressure is actually too high, a fuel knock and smoke condition will exist.
      Reference Information

      Schematic Reference

      Engine Controls Schematics
      Connector End View Reference

      Component Connector End Views
      Description and Operation

      Fuel System Description
      Electrical Information Reference

      Circuit Testing
      Connector Repairs
      Testing for Intermittent Conditions and Poor Connections
      Wiring Repairs
      DTC Type Reference

      Powertrain Diagnostic Trouble Code (DTC) Type Definitions
      Scan Tool Reference

      Control Module References for scan tool information
      Special Tools

      EN 49495 Fuel Pressure Gage
      EN-49799 Fuel Pressure Gage Adapter
      For equivalent regional tools, refer to Special Tools .
      Circuit/System Verification


      1. Ignition ON, observe the DTC information with a scan tool. Verify that no other DTCs are set.
        If any other DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle for further diagnosis.
      2. Engine running, observe the scan tool DTC information parameter. DTCs P0087, P0088, or P0089 should not set.
      3. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.

      Circuit/System Testing


      1. Ignition ON, command the fuel pump relay ON and OFF with a scan tool. Verify the fuel pump turns ON.
        If the fuel pump does not turn ON, refer to Fuel Pump Electrical Circuit Diagnosis for further diagnosis.
      2. Ignition OFF, install the EN-49799 Fuel Pressure Gage Adapter and the EN 49495 Fuel Pressure Gage to the fuel supply pipe at the fuel filter assembly. Refer to Fuel Pressure Gage Installation and Removal .
      3. Ignition ON, verify the fuel pressure is between 414-483 kPa (60-70 PSI).
        If not within the specified range, refer to Fuel System Diagnosis for further diagnosis.
      4. Ignition OFF, disconnect the harness connector at the Q18 Fuel Pressure Regulator.
      5. Ignition ON, verify a test lamp illuminates between the ignition 1 voltage circuit terminal 1 and ground.
        If the test lamp does not illuminate, repair the ignition 1 voltage circuit for a short to ground or an open/high resistance.
      6. Ignition ON, test for 3-4 V between the control circuit terminal 2 and ground.
        If less than the specified range, test the control circuit for an open or a short to ground. If circuit tests normal, replace the K20 Engine Control Module.
        If greater than the specified range, test the control circuit for a short to voltage. If circuit tests normal, replace the K20 Engine Control Module.
      7. Inspect and repair one of the following conditions:Low Pressure

        A fuel system leak
        Restricted fuel filter
        Injection nozzle stuck in open position
        Leakage in the fuel pressure regulator
        Worn fuel injection pump
        High Pressure

        Restricted fuel return
        Fuel injection pump stuck open
        Fuel pressure regulator stuck closed
        Restricted fuel injector

      Repair Instructions

      Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

      Fuel Injection Fuel Rail Assembly Replacement
      Fuel Injection Pump Replacement
      Fuel Injector Replacement
      Control Module References for ECM replacement, setup, and programming






      I shall now copy and post the procedure to purge the fuel line from the same .pdf file.
      Fuel System Priming

      Note: In order for the VM2.0S diesel fuel system to work properly, the fuel lines must be full of fuel and contain no air. If air gets into the fuel lines, it will be necessary to prime the fuel system to eliminate the air before operating the vehicle. Air could have entered the system in one of the following ways:

      The vehicle ran out of fuel.
      The filter was removed for service or replacement.
      The fuel lines were removed or disconnected for servicing.
      The fuel pump was removed for servicing.
      The fuel filter water drain **** was opened while the engine was running.
      If one or more of the above occurred, air has entered the fuel system and you will need to prime the system prior to operating the vehicle.

      1. Turn the ignition key ON at 5 second intervals.
      2. Turn the ignition key OFF and wait 3 seconds.
      3. Repeat steps 1-2, 6 or 7 times.





      I shall now decipher the information overload and what is to be done.

      The right way to replace the filter is to fill the filter and the black housing with diesel to the brim. Tighten the assembly to specified torque. Get into the car. Now it is time to purge air from the fuel lines. The right way is to turn the ignition on and wait for 5 seconds without starting the car. Switch off. Wait for 5 seconds. Repeat this 8 times. All air would have been purged. This should have been done by the service center which they failed to do. High pressure diesel pump failure is the possible end result if we do not purge air from the fuel lines. When you change the filter please do this because the authorized service center do not know about this, atleast mine did not.



      Happy motoring with your Cruze.

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      Hhhmmm! I've seen this issue on another Beat we serviced. The error was similar, in that case it was one wire from the ECU that had a lose contact and kept setting off a fuel rail pressure.

      Even at ignition, the rail pressure was in the 20,000 range.

      Having said that, I've had my diesel filter changed once at the showroom and they started the car immediately without switching on the ignition a few times. Worked fine.

      I usually do that when we replace any petrol/diesel filters at Bay6. Turn the ignition on 4-5 times to prime the filter and the pump.

      I would double check the ECU wiring if I were you. Or connect an OBD tool and watch the rail pressure values.
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      drpullockaran Was looking at this now after you called.

      A faulty/stuck FRP sensor could be the reason. Could be cause by bad fuel, or air getting into the system.

      Here are the testing steps from the Cruze manual. If you cannot do this on your own, head over to the nearest service center. If the diagnosis takes you to a point where it is asking you to replace the eCU, then it can be fixed from calibration. The Cruze's generally have a lot of difference in their mechanical capabilities, and when we recalibrate, often see that pumps in different cars have very different capabilities -

      Circuit/System Testing

      Ignition ON, command the fuel pump relay ON and OFF with a scan tool. Verify the fuel pump turns ON.
      ⇒ If the fuel pump does not turn ON, refer to Fuel Pump Electrical Circuit Diagnosis for further diagnosis.
      Ignition OFF, install the EN-49799 Fuel Pressure Gage Adapter and the EN 49495 Fuel Pressure Gage to the fuel supply pipe at the fuel filter assembly. Refer to Fuel Pressure Gage Installation and Removal .
      Ignition ON, verify the fuel pressure is between 414-483 kPa (60-70 PSI).
      ⇒ If not within the specified range, refer to Fuel System Diagnosis for further diagnosis.
      Ignition OFF, disconnect the harness connector at the Q18 Fuel Pressure Regulator.
      Ignition ON, verify a test lamp illuminates between the ignition 1 voltage circuit terminal 1 and ground.
      ⇒ If the test lamp does not illuminate, repair the ignition 1 voltage circuit for a short to ground or an open/high resistance.
      Ignition ON, test for 3-4 V between the control circuit terminal 2 and ground.
      ⇒ If less than the specified range, test the control circuit for an open or a short to ground. If circuit tests normal, replace the K20 Engine Control Module.
      ⇒ If greater than the specified range, test the control circuit for a short to voltage. If circuit tests normal, replace the K20 Engine Control Module.
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      I am not so sure about the Cruze fuel line, in Duster there is a fuel priming bulb with non return valve for this, similar to


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      I had the 0089 issue crop up in the morning today at 6:55am and lived with it for another 80 km. Was on the phone with Tadu at 3pm talking about it and suddenly the car cured itself and is back to normal. This issue crops up once in 10000km and usually when I drive too sedately with fuel efficiency in mind. I get about 16.8km for every liter of diesel which is too good for a Cruze diesel. No complaints in the fuel efficiency front. During that 80km of harrowing time I did clear the ECU using torque pro at the very least about 20 times but each time I pressed the accelerator above 1600rpm the cel would come back on. I scoured the net and I gather that the 2 liter AUDI guys are besot with this problem too. From various threads I have concluded that the low pressure fuel pump in the fuel tank is unable to serve the high pressure fuel pump in the engine bay with enough pressure amounting to about 4 bar at idle. The reasons are listed above in an earlier post. One reason that air might have got into the fuel line is spirited driving with just 3 to 4 liters of diesel fuel left in the tank. I know it is harakiri for the High pressure fuel pump but I could not find an open fuel station late into the night two nights ago. Drove home with a near empty tank which was confirmed by the fact that I could fill in 56 liters of diesel the next day. An air bubble could have made its way into the fuel line which reached some god forbidden point today morning. Fingers crossed for tomorrow. Below is listed a thread of another forum where the AUDI guys have split their hair.

      http://www.audizine.com/forum/showth...de-P0089/page2

      Below is a part that may be the culprit.

      http://www.chiptuning.com.au/product...rol-valve-scv/

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      Here is video about Suction Control Valve.


      And another.


      - - - Updated - - -

      Another SCV replacement.

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      Here is the procedure for fault diagnosis and remedy.
      http://asx.2de.ru/13/html/M113350370038300ENG.HTM

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      I got P1093 - Fuel System too rich and P0083 - Suction control valve stuck on my way to Cochin on a quick business trip a week ago, because i was running the Petes box in "highest" setting alongwith the remap (uncharted territory) to try it out. Since this trip was not planned in advanceI didn't get the chance to unplug the box or bring it back to normal mode. The light came on, power dropped and the engine went into limp mode but still had enough power to keep traveling at 100KMPH, when we stopped for refuelling i disconnected the box, cleared the code and continued for the rest of the journey. No issues after that, car has now done two more highways trips after that.

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      Here is another link that seems a bit more geeky. Have a look. I just got the car scanned at the GM authorized service center; their diagnosis on the their laptop necessitates a HPFP change which including labour costs Rs 60000/-. I will try things out after first changing the fuel filter and then the suction control valve if I can find it on the pump. Fingers crossed.
      http://www.obd-codes.com/p0089

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      Before any of you rape your fuel pump by handing it over to the so called diesel crdi specialist make sure that the diesel jet pump that is there inside the fuel tank is replaced and the fuel lines are cleaned. According to my patient the jet pump will last about 1 lakh kilometers with rated output deteriorating over time. After this is fixed only then should the suction control valve of the High Pressure BOSCH pump be changed. This pump will last about 2 lakh kilometers without any problem if there is minimal water inside your fuel tank.

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