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Hi all,
Please help me to diagnose the following.
I have Honda Accord 2006 2.4L with 165,000 km on it (100K miles).
The engine RPM drops to 500 when I am stopping. The rotation drop happens at the end of stopping and is very short - a couple of seconds. After that the rotation comes back to normal 650-700 rpm.
A bit of history that might be related to the issue.
Yesterday I performed B124 service which includes valve clearance check/adjustment, spark plugs and air filter replacement. The intake valves were within the specifications and I left them alone. The exhaust valves were a bit tight barely passing 0.01” feeler gauge so I loosen them to 0.012” as per specs. One of the work lights my son and I used was connected to the car battery and we likely depleted it as in the morning I had to jump start the car. I did not run the car the same evening when we completed the work as RVT I used for mating surfaces under valve cover gasket required 24 hours.
During driving the car after the jump start I noticed that engine RPM drops to 500 when I was stopping. The rotation drop happened at the end of stopping and was very short - a couple of seconds. After that the rotation came back to normal 650-700 rpm. The engine coolant was in the normal temperature range. The engine runs smoothly, may be even smoother than it was before I did the service.
While testing the car I noticed similar drop in RPM when I shifted from Neutral to Drive.
What could be the reason for this RPM drop and how can I troubleshoot?
Thank you in advance
Please help me to diagnose the following.
I have Honda Accord 2006 2.4L with 165,000 km on it (100K miles).
The engine RPM drops to 500 when I am stopping. The rotation drop happens at the end of stopping and is very short - a couple of seconds. After that the rotation comes back to normal 650-700 rpm.
A bit of history that might be related to the issue.
Yesterday I performed B124 service which includes valve clearance check/adjustment, spark plugs and air filter replacement. The intake valves were within the specifications and I left them alone. The exhaust valves were a bit tight barely passing 0.01” feeler gauge so I loosen them to 0.012” as per specs. One of the work lights my son and I used was connected to the car battery and we likely depleted it as in the morning I had to jump start the car. I did not run the car the same evening when we completed the work as RVT I used for mating surfaces under valve cover gasket required 24 hours.
During driving the car after the jump start I noticed that engine RPM drops to 500 when I was stopping. The rotation drop happened at the end of stopping and was very short - a couple of seconds. After that the rotation came back to normal 650-700 rpm. The engine coolant was in the normal temperature range. The engine runs smoothly, may be even smoother than it was before I did the service.
While testing the car I noticed similar drop in RPM when I shifted from Neutral to Drive.
What could be the reason for this RPM drop and how can I troubleshoot?
Thank you in advance