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97 Dakota

Tiny
BAUMER1
  • MEMBER
  • 1997 ALL OTHER MAKES ALL OTHER MODELS
Ive got a 97 dakota, 3.9 engine automatic. Problem is it starts fine, and runs fine. After it runs fora while and warms up, 30 minutes or so, I shut it off it sets for 10 minutes then when I try to start it. It just cranks and cranks. If it starts it will just die again. Had the fuel pump and filter checked out ok. Nothing shows up on the computer chack any ideas? Please
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Friday, February 9th, 2007 AT 5:40 PM

7 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
It takes 3 things to create combustion: Air/Fuel/Spark one or two of these missing in action.
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Friday, February 9th, 2007 AT 5:57 PM
Tiny
BAUMER1
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  • 4 POSTS
Spark plugs and wires all checked ok rotor cap also good what next?
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Friday, February 9th, 2007 AT 7:49 PM
Tiny
RASMATAZ
  • MECHANIC
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Disconnect a spark plug wire stick a screwdriver in it and take it to ground on the engine while cranking it over, do you have spark?
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Saturday, February 10th, 2007 AT 12:01 AM
Tiny
DAKOTADADDY
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Try the fuel filter.9 times out of ten this is the problem. Hope it's not a gas tank model like my '01:(
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Sunday, February 11th, 2007 AT 4:01 PM
Tiny
BAUMER1
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  • 4 POSTS
It does have good spark and the fuel pressure is good, it is the same pressure when it is running as it is when it wont start. And yes it is in the gas tank. Now what about air? What do I check?
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Sunday, February 11th, 2007 AT 9:34 PM
Tiny
RASMATAZ
  • MECHANIC
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Lets try this: crank the engine over and listen to the injectors Are they clicking- If not look for a crankshaft position sensor-investigate thoroughly the PCM has to get that input to pulse the injectors.

It sounds stupid but double check the ASD relay if it has one.

About the air do the above 1st

Good Luck
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Sunday, February 11th, 2007 AT 9:57 PM
Tiny
BAUMER1
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Thanks for your help. I ended up taking it to a dodge dealer, they finally found the problem, there was a service bulletin years ago on this that was never corrected. They had to update the computer, a problem with the air flow something, I think he said the aic or iac. Anyway havent had the trouble so far hope that was it. Again thank you
dave
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Friday, February 16th, 2007 AT 11:45 PM

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