Is there any way that we can tell which trucks were made after this was
known to see if this correction was already in place?
Please post it, I'd like to fix it now if I have this...
Chris
99 Sport + CC 4x4
Oh, for Blaine... (Auto) :-)
-----Original Message-----
From: mrdancer <mrdancer@camalott.com>
To: dakota-truck@buffnet.net <dakota-truck@buffnet.net>
Date: Thursday, February 25, 1999 8:43 PM
Subject: DML: Pinging
>Hey Gang, I pulled this of the "alt.autos.dodge.trucks" newsgroup for those
>of you that missed it.
>
>=====================================================================
>In hopes this will help all with the pinging problem they are experiencing.
>Chryco TSB #18-24-98 covers 96-97 Vans, Dak's, Ram's, Cherokee's and Grand
>Cherokee's with 2.5L, 4.0L, 3.9L 5.2L & 5.9L engines. This TSB announces a
>new software revision that allow the dealer to tweak the timing slightly to
>mitigate the engine ping condition. Also, Chryco TSB #18-48-98 covers
'94 -
>'99 Dak's & Ram's, '94 - '98 Grand Cherokee's and '98 & '99 Durango's, all
>with 5.2L & 5.9L engines. It identifies a possible crossfire problem with
>the plug wires and offers new P/N's for isolators and convolute insulation
>that will mitigate this problem also. Contact your dealer for more info on
>these fixes. Hope this helps... Good Luck!!
>Chryco Service Manager
>Member SAE
>Mike Simmons wrote in message <36ccd713.0@news.fidnet.com>...
>>To add yet another thread to this seemingly endless discussion, I
forthwith
>>will throw my two cents worth in!
>>I was unable to determine what model year 5.2L/5.9L engines we are dealing
>>with, however Chryco just released a TSB that offers a software update
that
>>allows the dealer to "tweak" the timing slightly to alleviate abnormal
>>engine ping. This TSB does not apply to all model years, so let me know
>>what year and I will check for you or check with your dealer. Also, I
have
>>found that an excess carbon buildup in the combustion chamber can be the
>>cause of a lot of abnormal engine ping. It seems that the carbon deposits
>>retain heat from the power stroke (ugly Ford word!) and incandesce and
>allow
>>preignition of the air/fuel mixture. A good commercial combustion chamber
>>cleaner, or in severe cases sand blasting the chamber with walnut shells
>>thru the spark plug holes has fixed many of these cases. Good Luck!
>>
>>Chryco Service Manager
>>SAE Member
>>
>
>
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