2000 Honda Accord

Tiny
LESLIE CAGAN
  • MEMBER
  • 2000 HONDA ACCORD
  • 4 CYL
  • FWD
  • MANUAL
  • 64,990 MILES
At 64,723 miles the "check engine" light came on and I took the car to a Honda repair shop. They told me there was no oil in the car which most likely meant that either when I had the oil changed at about 63,200 miles (mid-April) they people who did that work did not put any oil in, or that the engine was burning oil. They told me to come back in 500 miles to have it checked again.

The next day I had to travel a short distance, but out of town. At about 64,824 - about 100 miles of driving - the "check engine" light came back on, but I was on the highway and needed to continue to where I was going. The next morning I checked the oil and it looked pretty low. Not empty but low. So I put in a quart of oil. I then took the car into another Honda repair shop. Close to where I am. The car now had 64, 910 miles on it. These guys told me there was too much oil in the engine and they drained off a little to make it just the right amount.

Two days later - at 64,991 miles - the "check engine" light came on again. I again checked the oil and it was low. About 1/2 way between the two dots on the dip stick. But I have not put more oil in yet because I am concerned about putting in too much!

I called the repair shop and they said they need to run a longer diagnostic test, which could take all day. The earliest appointment I could make with them is on June 22, more than a week away.

In the meantime, here are my questions: Is it okay to drive the car with this problem? If so, could I take the car on a longer trip (mostly it's just used for short outings of no more than 10-12 miles) of about 125 miles each way? I assume I would need to keep checking the oil and adding more if it is getting low, but will it do more damage if I drive it a lot before getting the further tests?

Also, aside from burning oil - which they guys at the Honda shop told me might mean the rings around the pistons might need to be replaced - do you think there could be any other problem?

Thanks for your speedy response!
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Saturday, June 13th, 2009 AT 7:15 PM

5 Replies

Tiny
KHLOW2008
  • EXPERT
Hi Leslie Cagan,

Thank you for the donation.

The Check Engine Light showing should nto be linked to the low oil. When the CEL shows, an error has been detected in the engine management system.

I need to know the exact trouble code to be able to know what is going on.

Get a scan done, most parts outlets does them free or for a nominal fee, and let me know the exact DTC.

As to oil consumption, Honda engines seldom have problems with the piston rings. The more likely cause would be the valve stem seals. These are rubberised seals and tends to deteriorate over time causing oil to leak into the cylinders or manifolds.

If the oil level is higher than the minimum mark and the indicator light showing is NOT the oil pressure indicator, you should not be unduly worried about driving the vehicle.
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Sunday, June 14th, 2009 AT 2:30 AM
Tiny
LESLIE CAGAN
  • MEMBER
Thanks for responding so quickly. I am not sure if this is what you want when you said you needed the exact trouble code - this is what it says on the paperwork the repair shop gave me.

PULLED CODE P0172

Does that give you more information?

Hope to hear from you again soon.
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Sunday, June 14th, 2009 AT 7:31 AM
Tiny
KHLOW2008
  • EXPERT
DTC P0172: FUEL SYSTEM TOO RICH.

This means too much fuel is getting into the engine and it could be due to
1. Clogged air filter.
2. Bad fuel pressure regulator.
3. Bad HO2S
4. EVAP canister.

It should not have anything to do with oil consumption.

I believe my diagnosis of the valve stem seals being worn are correct regarding the oil consumption.
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Monday, June 15th, 2009 AT 8:45 AM
Tiny
LESLIE CAGAN
  • MEMBER
Thanks for this information, and I have a few more questions:

1) You said the DTC P0172: FUEL SYSTEM TOO RICH diagnosis means that too much fuel is getting into the engine and it could be due to
1. Clogged air filter.
2. Bad fuel pressure regulator.
3. Bad HO2S
4. EVAP canister.

How do I find out which of these problems it is?

2) Is it possible that when the oil was low I accidently put too much oil in and that led to the above DTC?

3) How do I know if I also have an oil consumption problem. And if I have that problem how do I know for sure if it is being caused by worn away valve stem seals?

4) Do you have any idea how big a repair job dealing with the valve stem seals is. And how much it might cost to have that fixed? Similarly, do you have any idea how big a job it is to fix any of the other possible problems related to "fuel system too rich"?

Thanks again!
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Monday, June 15th, 2009 AT 10:28 AM
Tiny
KHLOW2008
  • EXPERT
Air filter can be visually inspected. Remove it from the housing and inspect for dirt or dust.

If the oil overfilled slightly, it should not cause the problem.

To understand if the engine is consuming engine oil, you need to monitor the level for a certain mileage. Check the oil level under same conditions so that readings are accurate. I would suggest checking it in the morning before starting the engine.

The standard practice is to remove the cylinder head to replace the valve seals with valve lapping and that would be a 10 hour job.

Replacement of valve seals can be done without removal of the head and the time should be 4 hours.

Valve seals cost $1.49 x 16 pcs.

The cost to fix the P0172 would depend on what is causing the problem.

Here are the diagnostics for P0172.


http://www.2carpros.com/forum/automotive_pictures/192750_P0171_00Accord4cyl01_1.jpg



http://www.2carpros.com/forum/automotive_pictures/192750_P0171_00Accord4cyl02_1.jpg




http://www.2carpros.com/forum/automotive_pictures/192750_FuelPressure00Accord4cyl01_1.jpg



http://www.2carpros.com/forum/automotive_pictures/192750_FuelPressure00Accord4cyl02_1.jpg



http://www.2carpros.com/forum/automotive_pictures/192750_FuelPressure00Accord4cyl03_1.jpg




http://www.2carpros.com/forum/automotive_pictures/192750_FuelPressure00Accord4cylFig12_1.jpg



http://www.2carpros.com/forum/automotive_pictures/192750_FuelPressure00Accord4cylFig13_1.jpg

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Tuesday, June 16th, 2009 AT 10:39 AM

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