Warranty Extension: 2017-2018 Honda CR-V: DTC P0300, P0301, P0302, P0303, P0304, or P0172; Whirling Noise from Engine

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NHTSA ID Number: 10161642

Manufacturer Communication Number: A19-037

 

Summary

Service Bulletin – Under certain circumstances, the vehicle may experience driveability issues, which may result in DTCs P0300 (random misfire detected), P0301 (No. 1 cylinder misfire detected), P0302 (No. 2 cylinder misfire detected), P0303 (No. 3 cylinder misfire detected), P0304 (No. 4 cylinder misfire detected), or P0172 (fuel system too rich) or a whirling noise coming from the engine compartment.

 

 


2 Affected Products

Vehicle

MAKE MODEL YEAR
HONDA CR-V 2017-2018

 


BACKGROUND

Under certain circumstances, the vehicle may experience driveability issues, which may result in DTCs P0300 (random misfire detected), P0301 (No. 1 cylinder misfire detected), P0302 (No. 2 cylinder misfire detected), P0303 (No. 3 cylinder misfire detected), P0304 (No. 4 cylinder misfire detected), or P0172 (fuel system too rich) or a whirling noise coming from the engine compartment.

NOTE

Check the VIN of the vehicle to see if S/B 18-114, 18-124, or 19-025 apply. If one applies and the repair directed by that bulletin has not been completed, do the applicable repair before continuing.

To ensure customer confidence in our product, Honda is extending the powertrain warranty from the original 5 years/ 60,000 miles to 6 years with unlimited mileage from the original sale date. This warranty extension applies to any engine components, such as camshafts, rocker arm assemblies, and spark plugs, requiring repair due to damage resulting from those concerns identified in the first paragraph.

This warranty extension will not apply to any vehicle that has ever been declared a total loss or sold for salvage by a financial institution or insurer, or has a branded or similar title under any state’s law. This does not affect emission warranties.

 

POSSIBLE CAUSE

Based on certain driving patterns and environmental factors, the DTC’s stated above may be set or a whirling noise may occur.

 

CORRECTIVE ACTION

If S/B 18-114, 18-124, or 19-025 applies to this vehicle, complete the repairs under that bulletin first. If S/B 18-114, 18-124, or 19-025 applies, the applicable repair was completed, and misfire (P0300, P0301, P0302, P0303, P0304) or fuel system too rich (P0172) DTCs were set after the earlier repair was completed, do REPAIR PROCEDURE A. If there is a whirling noise coming from the engine compartment, do REPAIR PROCEDURE B

 

PARTS INFORMATION

These parts are needed if replacing the spark plugs.

Part Name Part Number Quantity
Spark Plugs 12290-5PA-A01 4

 

REPAIR PROCEDURE A

1. In some cases, the misfire DTCs may return. If this happens, inspect the spark plugs.

  • If the spark plugs are OK, the procedure is complete. Continue with normal troubleshooting.

2. Replace the spark plugs per service information and check for stored DTCs.

NOTE

Make sure to write down the stored DTCs on the R.O.

  • If the applicable DTCs do not return, the procedure is complete.
  • If the applicable DTCs return, this bulletin does not apply. Continue with normal troubleshooting.

 

REPAIR PROCEDURE B

If there is a whirling noise coming from the engine, follow the procedure below.

1. Warm up the engine by increasing the engine speed to 3,000 rpm for two fan cycles.

2. After the warm-up procedure is completed, let the car return to idle for 10 seconds.

3. After 10 seconds, slowly increase the engine speed up to 3500 rpm (this should take at least 20 seconds).

4. Once the engine speed reaches 3500 rpm, release the accelerator pedal and let the engine speed return to idle.

5. With the hood closed and inside the cabin, compare the audio file here to the noise heard.

  • If the noise is similar, continue to step 6.
  • If the noise is not similar, this bulletin does not apply. Continue with normal system troubleshooting.

6. Remove the cylinder head cover. See service information for additional instructions.

7. Compare the appearance of the camshaft lobes to the photo below.

  • If the camshafts appear similar to the no good photo, go to step 8.
  • If the camshafts appear similar to the good photo, this bulletin does not apply. Continue with normal system
    troubleshooting.

 

The following instructions are for replacement of the intake and exhaust camshafts and all rocker arm assemblies.

1. Relieve the fuel pressure and remove the high pressure fuel pump. Refer to the service information for additional
instructions.

2. Set the crankshaft to top dead center (TDC) for No. 1 cylinder. Refer to step 4 of the Camshaft Timing Inspection in
the service information.

3. Mark the timing chain at the punch marks on the exhaust and intake camshaft sprocket and VTC actuator as seen
below.

 

4. Raise the vehicle on a lift.

5. Remove the right front wheel and the engine undercover.

6. Remove the cam chain auto-tensioner (chain case) cover.

7. Slightly rotate the crankshaft counterclockwise to compress the auto-tensioner. Line up the hole in the lock and
auto-tensioner, then insert a 1.2 mm diameter lock pin.

 

8. Rotate the crankshaft clockwise back to TDC on the No. 1 cylinder to secure the lock pin in place.

9. Remove the camshaft chain auto-tensioner with the lock pin inserted.

 

10. Lower the vehicle.

11. Loosen the locknuts and adjusting screws.

 

12. Remove the high pressure fuel pump base.

 

13. Remove the camshaft holder bolts, then remove the camshaft holders. To prevent damaging the camshafts, loosen
the bolts in sequence, two turns at a time.

 

14. Lift up the cam chain, then carefully remove the intake camshaft followed by the exhaust camshaft. You must
maintain tension on the cam chain while you do this.

 

15. Use a bungee cord to hold tension on the cam chain while you are replacing the camshafts.

 

16. When removing the camshaft holders, cam chain guide, and intake and exhaust camshaft, make sure to place them
in order of installation on a clean, padded workbench.

17. Remove the rocker arm assembly, and install the new set. Refer to the service information for additional instructions.

 

18. With the camshafts out of the engine, hold them with an open-end wrench and loosen the VTC actuator mounting
bolts on both camshafts.

19. Install the VTC actuators on the new camshafts.

NOTE

You may need an assistant to help you with this procedure.

 

20. Apply fresh engine oil to the new camshafts, and install.

 

21. When installing the new camshafts, ensure the previously made marks on the VTC actuator and cam chain line up.

 

22. Install the camshaft holders and the cam chain guide, then torque them to specification.

23. Install the camshaft chain tensioner and release the lock pin.

24. Install the new cam chain auto-tensioner (chain case) cover.

 

25. To check the camshaft timing, rotate the crankshaft in the direction of engine rotation (clockwise) two full turns, then
stop at the TDC mark. Refer to step 4 of the Camshaft Timing Inspection in the service information.

26. Do a valve adjustment.

27. Install the high pressure fuel pump base and new camshaft holder cover. Refer to step 7 of the installation section of
the Cylinder Head Removal and Installation (1.5L Engine) in the service information.

 

28. Install the cylinder head cover. Refer to the service information for additional instructions.

29. Install the high pressure fuel pump with the new o-ring and fuel joint pipe. Refer to the service information for
additional information.

30. Install the engine undercover and any other remaining parts.

31. During the first start up, check for DTCs set or abnormal noises. Refer to service information for additional
instructions.

32. Reset the throttle position learned values by referencing the throttle body removal and installation in the service
information, then do the PCM idle learn procedure. Refer to service information for additional instructions.

NOTE

For more information on the PCM idle learn procedure, see the Tech2Tech® video, “A Look at PCM Idle Learn”.

 


1 Associated Document

Manufacturer Communications

Service Bulletin 19-037
June 18, 2019
Version 2

https://www.nhtsa.gov/recalls?nhtsaId=10161642

MC-10161642-0001.pdf 2397.509KB

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