Lean mixture on 1-2 shift

Mark Eidson mark.eidson at tempe.vlsi.com
Wed Mar 5 20:23:56 GMT 1997


At 11:37 AM 3/5/97 -0700, you wrote:
The temperature in my previeus post were F not C.  me

>The fuel pressure is normal, 15 psi, for this system.  This seems to only
>occur as the engine is warming up after going closed loop at 70F.  My theory
>is the closed loop operation takes out the warm up enrichment. There is no
>way that I can find to delay the on set of closed loop operation until the
>engine reaches operating temperature.  It must be hard coded.  I have just
>tried stopping warmup enrichment, a table driven operation, at 70F and hope
>that the closed loop operation will add in the required fuel.  The closed
>loop is to slow to compensate the other way around.  me
>
>At 08:53 PM 3/4/97 -0500, you wrote:
>>What is the fuel pressure?
>>
>>
>>
>>
>***************************************************************************
>* Mark Eidson                        Voice: (602)752-6513                 *
>*                                      Fax: (602)752-6000                 *
>* Manager System Integration and      Home: (602)831-6079                 *
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>* VLSI Technology, Inc.                                                   *
>* 8375 South River Parkway                                                *
>* M/S 265                                                                 *
>* Tempe, Arizona     85284                                                *
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***************************************************************************
* Mark Eidson                        Voice: (602)752-6513                 *
*                                      Fax: (602)752-6000                 *
* Manager System Integration and      Home: (602)831-6079                 *
*   Verification                    E-Mail:  mark.eidson at tempe.vlsi.com   *
* VLSI Technology, Inc.                                                   *
* 8375 South River Parkway                                                *
* M/S 265                                                                 *
* Tempe, Arizona     85284                                                *
***************************************************************************




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