1999 Dodge Durango ECM

HAZELPETE

MEMBER
1999 DODGE DURANGO
5.9L
V8
4WD
AUTOMATIC
115,000 MILES

Installed new ecm, was preprogramed at manufature by vin#. Now car gets spark and fuel but wont start. Does ecm need to be program again after its installed?

Sunday, October 4th, 2015 AT 10:39 PM

5 Replies

CAR-MAN145

MECHANIC
321 POSTS

Did it start with the old ECM? Why did you replace it?

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Sunday, October 4th, 2015 AT 11:07 PM

HAZELPETE

MEMBER
3 POSTS

With old ecm car died wouldn't start, ran meter thru elec system less then one volt to the coil. With new ecm have the volts, spark and fuel still not starting

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Monday, October 5th, 2015 AT 12:02 AM

CAR-MAN145

MECHANIC
321 POSTS

If you have spark and fuel then check compression also need to make sure injector are spraying fuel. If you have fuel and spark going into each cylinder then it is a internal problem

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Monday, October 5th, 2015 AT 12:06 AM

HAZELPETE

MEMBER
3 POSTS

Injectors r spraying. Someone told me the new ecm still had to b programed again after it was installed, just wanted to make sure b4 I go any further. I think the timing chain jumped a tooth, or the dist pickup went bad. Has to b a timing issue

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Monday, October 5th, 2015 AT 12:18 AM

CAR-MAN145

MECHANIC
321 POSTS

If it jumped time the compression will be low so you will know if it jumped or not. If the pick up went bad then you will have no spark. And if was just timing it would be back firing trying to start I do not know what they programed with the vin but I think it sould start so like I said before if you have spark and fuel check the compression