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Old 01-11-2010, 06:11 PM   #1
pavermantn
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valve Seat troubles

Has any one out there ever had trouble with the 2.0 spi egine dropping a valve seat and destroying the cylinder and piston? Mine has just done this and time for new engine. I have talked to several people near me and there have been 4 that I know of. Does anyone know if Ford knows about it?



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Old 01-11-2010, 07:40 PM   #2
arlenn
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do a search... you will find a few.

im quite sure ford knows about it.
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Old 01-12-2010, 08:09 PM   #3
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I have asked the two local Ford Dealers service departments and they have never heard of it. You can ask any independent shop and they know of pleanty
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Old 01-12-2010, 08:14 PM   #4
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The dealer is lying. It is very common.
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Old 01-12-2010, 08:17 PM   #5
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Quote:
Originally Posted by ah1f39 View Post
The dealer is lying. It is very common.
Very common is an understatement.
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Old 01-13-2010, 07:01 PM   #6
pavermantn
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Is there a recall on this problem that anyone knows about?
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Old 01-14-2010, 11:30 PM   #7
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Quote:
Originally Posted by pavermantn View Post
Is there a recall on this problem that anyone knows about?
This is as close as they've come to admitting a problem - it's a carbon problem. Sure go ahead and clean the carbon up - it may be the only thing holding the valve seat in place.

All the previous recalls have cut into the profit margin on the early models. And a recall on this problem would turn the best selling car into a big loss - that is until they can find a way to discredit many of the car owners. Maybe they'll just "Pinto" it.



Make : FORD Model : FOCUS Year : 2000
Manufacturer : FORD MOTOR COMPANY
Service Bulletin Number : 0291 Date of Bulletin : MAY 13, 2002
NHTSA Item Number : 636089
Component : UNKNOWN OR OTHER
Summary :
SOME VEHICLES EQUIPPED WITH THE 2.0L SPI ENGINE MAY EXHIBIT A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED AND DIAGNOSTIC TROUBLE CODES (DTC) P0300 THROUGH P0304 STORED


FORD: 1997-2002 ESCORT
2000-2002 FOCUS
MERCURY: 1997-1999 TRACER


This article supersedes TSB 02-09-01 to update the service and part information.

ISSUE:
Some vehicles equipped with the 2.0L SPI engine may exhibit a malfunction indicator lamp (MIL) illuminated and diagnostic trouble codes (DTCs) P0300 through P0304 stored in memory. The vehicle may also have a rough idle or reduced power condition, and/or may stall at an idle. This may be caused by sticking exhaust valves due to excessive carbon build-up.

ACTION:
Check for faulty fuel injectors and ignition wires. One or more exhaust valves may be temporarily sticking due to carbon build-up between the valve stem and guide. If the diagnostic checks point to a sticking exhaust valve, the cylinder head assembly may need to be replaced with a new level cylinder head assembly with revised valve guides, revised exhaust valves will also need to be installed to help prevent carbon build-up. Refer to the following Service Procedure for details.

SERVICE PROCEDURE

NOTE: THIS PROCEDURE APPLIES ONLY TO THE 2.0L SPI ENGINE.



This condition usually results in misfire when the engine returns to idle after running approximately 2000 RPM or higher.

Use the worldwide diagnostic system (WDS) to test for Power Balance with the engine at idle. Check for cylinder misfire. If misfire is occurring constantly, go to Step 3. If misfire is not occurring, attempt to induce misfire by performing the following step:
Apply the parking brake and keep the transmission in Park or Neutral. Bring the engine to approximately 2800 RPM and hold for one (1) minute. Check the WDS Power Balance display while holding engine speed constant. Allow the engine to return to idle and watch the WDS Power Balance display for a misfiring cylinder.
If WDS Power Balance indicates a misfiring cylinder with the previous test, one or more exhaust valves may be intermittently sticking due to carbon build-up between the valve stem and guide. Replace the cylinder head with the new level cylinder head with revised valve guides. Once stock is exhausted of the loaded cylinder heads, the cylinder head will come bare so revised exhaust valves will need to be installed in place of the original valves. The revised valve guides and exhaust valves help prevent carbon build-up. Consult the appropriate model year Workshop Manual for removal and installation procedures for the Cylinder Head Assembly.
If WDS Power Balance did not indicate a misfiring cylinder with the previous test or a misfire is occurring constantly, the misfire may not be due to a sticking exhaust valve. Refer to the appropriate model year Powertrain Control/Emissions Diagnosis (PC/ED) Service Manual for further diagnosis. Other possible causes may be, worn or arcing ignition wires, base engine compression, fuel injectors, fuel injector harness resistance or PCM injector driver signal. Perform diagnosis and repair as necessary.
After completing either Step 2 or Step 3, replace the PCV Valve (YS4Z-6A666-AC) (Motorcraft EV-244) on model year 2000-2002 Focus or 2000-2002 Escort. Vacuum fluctuations from engine misfire may prematurely wear the PCV valve on those applications.
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60k+ miles.
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Old 09-26-2012, 02:36 PM   #8
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valve seat question

is valve seat droppings a common problem for the ZetECH motor also??
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Old 09-26-2012, 03:07 PM   #9
iminhell
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No...
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Old 09-26-2012, 03:31 PM   #10
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Quote:
Originally Posted by pavermantn View Post
Has any one out there ever had trouble with the 2.0 spi egine dropping a valve seat and destroying the cylinder and piston? Mine has just done this and time for new engine. I have talked to several people near me and there have been 4 that I know of. Does anyone know if Ford knows about it?
It is a common problem, and I guarantee Ford knows about it. It's not a matter of if, but when the valve will drop, usually in the 3rd or 4th cylinder. It will happen to everyone given time.

Story after story of "but mine is still going strong" turns into "oops" eventually. The only thing one can do is put on a new head BEFORE it happens. A buddy of mine is swapping out a destroyed engine as we speak.
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